:root{--neu-bg:#e8ecf1;--neu-dark:#b2bec9;--neu-light:#fff;--neu-inset-shadow:inset 4px 4px 9px #b2bec9, inset -4px -4px 9px #fff;--neu-raised-shadow:5px 5px 10px #b2bec9, -5px -5px 10px #fff;--surface:#f0f4f8;--surface-2:#fff;--border:#ffffffbf;--border-dim:#00000012;--text-primary:#1a2233;--text-secondary:#5a6b80;--text-muted:#8fa0b4;--accent:#4a6cf7;--accent-hover:#3a5ce6;--accent-text:#fff;--success:#34c472;--warn:#f5a623;--danger:#e05555;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--shadow-card:0 1px 3px #00000012, 0 4px 14px #0000000d;--shadow-panel:0 2px 8px #0000000f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}::-webkit-scrollbar:horizontal{visibility:hidden!important;opacity:0!important;width:0!important;height:0!important;display:none!important}html{-webkit-text-size-adjust:100%;max-width:100vw;overflow-x:hidden}body{background:var(--neu-bg);max-width:100vw;min-height:100%;color:var(--text-primary);-webkit-font-smoothing:antialiased;touch-action:pan-y;-webkit-overflow-scrolling:touch;font-family:Inter,system-ui,sans-serif;overflow-x:hidden}#__next,[data-nextjs-scroll-focus-boundary]{height:100%}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--neu-dark);border-radius:99px}.app-shell{grid-template-rows:1fr;grid-template-columns:minmax(0,1fr) 290px;width:calc(100vw - 52px);height:100vh;margin-left:52px;transition:grid-template-columns .3s cubic-bezier(.16,1,.3,1);display:grid;overflow:hidden}.app-shell.right-sidebar-collapsed{grid-template-columns:minmax(0,1fr) 0}.app-header{background:var(--neu-bg);border-bottom:1px solid var(--border-dim);z-index:10;grid-column:1/-1;align-items:center;gap:12px;padding:0 24px;display:flex}.app-header-logo{background:var(--accent);color:#fff;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:14px;font-weight:700;display:flex}.app-header h1{color:var(--text-primary);letter-spacing:-.02em;font-size:15px;font-weight:600}.app-header .topic-pill{color:var(--accent);letter-spacing:.03em;background:#4a6cf71a;border-radius:99px;margin-left:auto;padding:3px 10px;font-size:11px;font-weight:500}.main-area{flex-direction:column;gap:14px;min-height:0;padding:14px 8px 14px 16px;display:flex;overflow:hidden}.main-top{flex:1;grid-template-columns:300px 1fr;gap:16px;min-height:0;display:grid;overflow:hidden}.main-top.board-expanded{grid-template-columns:300px 1fr}.btn-page-nav{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:2px 5px;font-size:11px;line-height:1;transition:all .15s;display:inline-flex}.btn-page-nav:hover:not(:disabled){color:var(--text-primary);background:#0000000f}.btn-page-nav:disabled{opacity:.3;cursor:not-allowed}.chat-column{flex-direction:column;max-width:100%;min-height:0;display:flex;overflow:hidden!important}.sidebar{box-sizing:border-box;flex-direction:column;gap:12px;width:290px;min-height:0;padding:14px 12px 14px 4px;transition:opacity .25s,transform .25s;display:flex;overflow:hidden auto}.app-shell.right-sidebar-collapsed .sidebar{opacity:0;pointer-events:none;width:0;padding:0;overflow:hidden;transform:translate(20px)}.sidebar>*{box-sizing:border-box;flex-shrink:0;max-width:100%}.card{background:var(--surface-2);border-radius:var(--radius-md);border:1px solid var(--border-dim);box-shadow:var(--shadow-card);flex-shrink:0;overflow:visible}.card-header{border-bottom:1px solid var(--border-dim);align-items:center;gap:8px;padding:12px 16px;display:flex}.card-header h2{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-size:11px;font-weight:600}.card-icon{font-size:13px;line-height:1}.chat-panel{flex-direction:column;flex:1;max-width:100%;min-height:0;display:flex;overflow:hidden!important}.chat-messages{scrollbar-width:thin;scrollbar-color:#00000026 transparent;flex-direction:column;flex:1;gap:12px;max-width:100%;min-height:0;padding:16px;display:flex;overflow-y:auto;overflow-x:hidden!important}.chat-messages::-webkit-scrollbar{width:5px;height:0!important}.chat-messages::-webkit-scrollbar:horizontal{opacity:0!important;visibility:hidden!important;width:0!important;height:0!important;display:none!important}.chat-messages::-webkit-scrollbar-thumb{background:#00000026;border-radius:9999px}.chat-messages::-webkit-scrollbar-thumb:horizontal{height:0!important;display:none!important}.chat-messages::-webkit-scrollbar-track{background:0 0}.chat-messages::-webkit-scrollbar-track:horizontal{height:0!important;display:none!important}.chat-bubble-wrap{flex-direction:column;gap:3px;max-width:100%;display:flex}.chat-bubble-wrap.teacher{align-items:flex-start}.chat-bubble-wrap.student{align-items:flex-end}.chat-role-label{letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);padding:0 4px;font-size:10px;font-weight:600}.chat-bubble{border-radius:var(--radius-md);word-break:break-word;overflow-wrap:break-word;max-width:85%;padding:10px 14px;font-size:13.5px;font-weight:400;line-height:1.55}.chat-bubble .katex-display,.chat-bubble .katex{scrollbar-width:none;-ms-overflow-style:none;max-width:100%}.chat-bubble .katex-display::-webkit-scrollbar{height:0!important;display:none!important}.chat-bubble .katex::-webkit-scrollbar{height:0!important;display:none!important}.chat-bubble.teacher{background:var(--surface);color:var(--text-primary);border:1px solid var(--border-dim);border-bottom-left-radius:4px}.chat-bubble.student{background:var(--accent);color:#fff;border-bottom-right-radius:4px}.chat-thinking{background:var(--surface);border-radius:var(--radius-md);border:1px solid var(--border-dim);border-bottom-left-radius:4px;align-items:center;gap:5px;width:fit-content;padding:10px 14px;display:flex}.dot-pulse{gap:4px;display:flex}.dot-pulse span{background:var(--text-muted);border-radius:50%;width:5px;height:5px;animation:1.2s ease-in-out infinite dotPulse}.dot-pulse span:nth-child(2){animation-delay:.2s}.dot-pulse span:nth-child(3){animation-delay:.4s}@keyframes dotPulse{0%,80%,to{opacity:.3;transform:scale(.85)}40%{opacity:1;transform:scale(1)}}.input-bar{background:var(--neu-bg);border-top:1px solid var(--border-dim);align-items:flex-end;gap:8px;padding:12px 14px;display:flex}.neu-input{background:var(--neu-bg);border-radius:var(--radius-sm);box-shadow:var(--neu-inset-shadow);color:var(--text-primary);resize:none;scrollbar-width:none;-ms-overflow-style:none;border:none;outline:none;flex:1;min-height:64px;max-height:140px;padding:10px 14px;font-family:inherit;font-size:13.5px;line-height:1.45;transition:box-shadow .15s;overflow-y:auto}.neu-input::-webkit-scrollbar{width:0;height:0;display:none}.neu-input::placeholder{color:var(--text-muted);line-height:1.45}.neu-input:focus{box-shadow:inset 5px 5px 10px #b2bec9,inset -5px -5px 10px #fff}.neu-btn{background:var(--neu-bg);border-radius:var(--radius-sm);box-shadow:var(--neu-raised-shadow);cursor:pointer;width:38px;height:38px;color:var(--accent);border:none;flex-shrink:0;justify-content:center;align-items:center;transition:box-shadow .1s,transform .1s;display:flex}.neu-btn:hover{box-shadow:6px 6px 12px #b2bec9,-6px -6px 12px #fff}.neu-btn:active{box-shadow:var(--neu-inset-shadow);transform:scale(.97)}.neu-btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:var(--neu-raised-shadow)}.btn-minimal{color:var(--accent);cursor:pointer;box-shadow:none;background:#4a6cf714;border:1px solid #4a6cf72e;border-radius:6px;align-items:center;gap:5px;padding:4px 10px;font-family:inherit;font-size:11px;font-weight:500;transition:all .15s;display:inline-flex}.btn-minimal:hover:not(:disabled){background:#4a6cf724;border-color:#4a6cf74d}.btn-minimal:active:not(:disabled){transform:scale(.98)}.btn-minimal:disabled{opacity:.45;cursor:not-allowed;border-color:var(--border-dim);color:var(--text-muted);box-shadow:none;background:#0000000a}.board-panel{flex-direction:column;height:100%;min-height:0;display:flex;overflow:hidden}.board-canvas-wrap{background:#fafbfd;flex:1;min-height:0;position:relative;overflow:hidden}canvas.board-canvas{width:100%;height:100%;display:block;position:absolute;inset:0}.cb-page-menu-tab{color:#1d1d1f;cursor:pointer;-webkit-user-select:none;user-select:none;background:#e7e9eb;border:none;border-radius:0 0 9px;outline:none;align-items:center;gap:9px;height:38px;padding:0 14px 0 12px;font-family:inherit;font-size:13px;font-weight:500;transition:background .12s;display:flex}.cb-page-menu-tab:hover{background:#dfe2e5!important}.tlui-layout__bottom{pointer-events:none!important}.tlui-layout__bottom>*{pointer-events:auto!important}.tlui-main-toolbar{box-shadow:0 4px 16px #0000001f!important}.avatar-card{text-align:center;flex-direction:column;align-items:center;gap:10px;padding:18px 16px 16px;display:flex;position:relative}.avatar-portrait-stage{justify-content:center;align-items:center;width:96px;height:96px;margin:2px 0;display:flex;position:relative}.avatar-name-group{flex-direction:column;align-items:center;gap:2px;display:flex}.avatar-name{color:var(--text-primary);letter-spacing:-.01em;font-size:14px;font-weight:700}.avatar-subtitle{color:var(--text-secondary);font-size:11px;font-weight:500}.persona-picker-btn{border:1px solid var(--border-dim);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:6px;align-items:center;gap:4px;padding:3px 8px;font-size:10px;font-weight:500;transition:all .15s;display:inline-flex}.persona-picker-btn:hover{color:var(--text-primary);border-color:var(--text-muted);background:#0000000a}.persona-selector-grid{background:var(--surface);border:1px solid var(--border-dim);border-radius:var(--radius-sm);grid-template-columns:repeat(4,1fr);gap:4px;width:100%;margin-top:2px;padding:8px 4px;display:grid}.persona-selector-item{cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;flex-direction:column;align-items:center;gap:4px;padding:6px 4px;transition:all .15s;display:flex}.persona-selector-item:hover{background:#0000000a}.persona-selector-item.selected{border-color:var(--accent);background:#fff;box-shadow:0 2px 6px #4a6cf726}.persona-selector-mini-icon{background:var(--surface-2);border:1px solid var(--border-dim);width:32px;height:32px;color:var(--text-secondary);border-radius:50%;justify-content:center;align-items:center;transition:all .15s;display:flex}.persona-selector-item.selected .persona-selector-mini-icon{color:var(--accent);border-color:var(--accent);background:#4a6cf71a}.persona-selector-label{color:var(--text-primary);font-size:10px;font-weight:600}.avatar-expression{color:var(--text-secondary);background:var(--surface);border:1px solid var(--border-dim);text-transform:capitalize;border-radius:99px;align-items:center;gap:5px;padding:3px 10px;font-size:11px;font-weight:500;display:inline-flex}.avatar-gesture{color:var(--text-muted);font-size:11px;font-style:italic}.interactive-avatar-container{border-radius:22px;justify-content:center;align-items:center;width:96px;height:96px;transition:transform .25s cubic-bezier(.34,1.56,.64,1);display:flex;position:relative}.interactive-avatar-container:hover{transform:scale(1.05)}.interactive-avatar-container:active{transform:scale(.96)}.interactive-svg-avatar{filter:drop-shadow(0 4px 14px #00000024);border-radius:22px;width:100%;height:100%}.avatar-head{transform-origin:100px 140px;animation:3.5s ease-in-out infinite avatarSubtleBreathe}.avatar-torso{transform-origin:100px 200px;animation:3.5s ease-in-out infinite avatarTorsoBreathe}@keyframes avatarSubtleBreathe{0%,to{transform:translateY(0)scale(1)}50%{transform:translateY(-1.5px)scale(1.008)}}@keyframes avatarTorsoBreathe{0%,to{transform:scale(1)}50%{transform:scale(1.015)}}.avatar-nod .avatar-head{animation:1.6s ease-in-out avatarNodAnim}@keyframes avatarNodAnim{0%,to{transform:translateY(0)rotate(0)}25%{transform:translateY(4px)rotate(2deg)}55%{transform:translateY(-1px)rotate(-1deg)}80%{transform:translateY(3px)rotate(1deg)}}.avatar-shake .avatar-head{animation:1.4s ease-in-out avatarShakeAnim}@keyframes avatarShakeAnim{0%,to{transform:rotate(0)}25%{transform:rotate(-5deg)}50%{transform:rotate(5deg)}75%{transform:rotate(-3deg)}}.avatar-think .avatar-head{transition:transform .4s;transform:rotate(6deg)translateY(-2px)}.avatar-look-board .avatar-head{transition:transform .4s;transform:rotate(-4deg)translate(-3px)}.tutor-popover-bubble{color:#fff;white-space:nowrap;z-index:50;pointer-events:none;background:#1e293b;border-radius:8px;padding:6px 12px;font-size:11px;font-weight:500;line-height:1.35;position:absolute;top:-46px;left:50%;transform:translate(-50%);box-shadow:0 4px 14px #00000040}.tutor-bubble-tail{border-top:5px solid #1e293b;border-left:5px solid #0000;border-right:5px solid #0000;width:0;height:0;position:absolute;bottom:-5px;left:50%;transform:translate(-50%)}.nova-orbital-ring-1.spin-slow{transform-origin:100px 100px;animation:14s linear infinite spinCw}.nova-orbital-ring-1.spin-fast{transform-origin:100px 100px;animation:3s linear infinite spinCw}.nova-orbital-ring-2.spin-slow-rev{transform-origin:100px 100px;animation:11s linear infinite spinCcw}.nova-orbital-ring-2.spin-fast-rev{transform-origin:100px 100px;animation:2.5s linear infinite spinCcw}@keyframes spinCw{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes spinCcw{0%{transform:rotate(0)}to{transform:rotate(-360deg)}}.nova-pulse-core{animation:2.5s ease-in-out infinite novaCorePulse}@keyframes novaCorePulse{0%,to{opacity:.7;transform:scale(1)}50%{opacity:1;transform:scale(1.15)}}.nova-speaking-core .soundwave-bar{animation:.7s ease-in-out infinite alternate novaWaveAnim}.soundwave-bar.bar-1{animation-delay:.1s}.soundwave-bar.bar-2{animation-delay:.3s}.soundwave-bar.bar-3{animation-delay:.5s}.soundwave-bar.bar-4{animation-delay:.2s}.soundwave-bar.bar-5{animation-delay:.4s}@keyframes novaWaveAnim{0%{transform:scaleY(.4)}to{transform:scaleY(1.4)}}.tinqy-character-root{transform-origin:50% 88%;justify-content:center;align-items:center;width:100%;height:100%;transition:transform .3s cubic-bezier(.34,1.56,.64,1);animation:3.6s ease-in-out infinite tinqyIdleBreathe;display:flex;position:relative}.tinqy-character-root.tinqy-speaking{animation:.42s ease-in-out infinite alternate tinqySpeakingBounce}.tinqy-character-root.avatar-pop{animation:.45s cubic-bezier(.175,.885,.32,1.275) tinqyClickSquash}@keyframes tinqyIdleBreathe{0%,to{transform:translateY(0)scale(1)}38%{transform:translateY(-4px)scale(.975,1.025)}75%{transform:translateY(1.5px)scale(1.025,.975)}}@keyframes tinqySpeakingBounce{0%{transform:translateY(0)scale(1)rotate(0)}to{transform:translateY(-5px)scale(.96,1.04)rotate(-1deg)}}@keyframes tinqyClickSquash{0%{transform:scale(1)}25%{transform:scale(1.18,.82)translateY(4px)}55%{transform:scale(.92,1.08)translateY(-5px)}78%{transform:scale(1.04,.98)translateY(1px)}to{transform:scale(1)translateY(0)}}.tinqy-shadow{transform-origin:94px 180px;animation:3.6s ease-in-out infinite tinqyShadowBreathe}.tinqy-character-root.tinqy-speaking .tinqy-shadow{animation:.42s ease-in-out infinite alternate tinqyShadowBounce}@keyframes tinqyShadowBreathe{0%,to{opacity:.22;transform:scale(1)}38%{opacity:.14;transform:scale(.88)}75%{opacity:.28;transform:scale(1.06)}}@keyframes tinqyShadowBounce{0%{opacity:.22;transform:scale(1)}to{opacity:.14;transform:scale(.85)}}.avatar-nod .tinqy-character-root{animation:1.6s ease-in-out tinqyNodAnim}@keyframes tinqyNodAnim{0%,to{transform:translateY(0)rotate(0)scale(1)}25%{transform:translateY(5px)scale(1.05,.95)rotate(2deg)}55%{transform:translateY(-3px)scale(.96,1.04)rotate(-1.5deg)}80%{transform:translateY(3px)scale(1.03,.97)rotate(1deg)}}.avatar-shake .tinqy-character-root{animation:1.4s ease-in-out tinqyShakeAnim}@keyframes tinqyShakeAnim{0%,to{transform:rotate(0)}20%{transform:rotate(-7deg)scale(.98,1.02)}45%{transform:rotate(7deg)scale(.98,1.02)}70%{transform:rotate(-4deg)}85%{transform:rotate(2deg)}}.avatar-think .tinqy-character-root{transform:rotate(6.5deg)translateY(-3px)scale(1.02,.98)}.avatar-look-board .tinqy-character-root{transform:rotate(-5.5deg)translate(-4px)scale(1.02,.98)}.tinqy-blush{transition:opacity .3s,transform .3s}.is-floating-screen{filter:drop-shadow(0 14px 28px #00000038)drop-shadow(0 0 16px #fa1e9e59);animation:3.4s ease-in-out infinite alternate tinqyFloatBob}@keyframes tinqyFloatBob{0%{transform:translateY(0)rotate(0)}50%{transform:translateY(-8px)rotate(1deg)}to{transform:translateY(3px)rotate(-1deg)}}.is-floating-screen.is-dragging{filter:drop-shadow(0 20px 36px #00000047)drop-shadow(0 0 24px #fa1e9e80);transform:scale(1.08)rotate(3deg);animation:none!important}.mastery-section{flex-direction:column;gap:12px;padding:14px 16px;display:flex}.mastery-item{flex-direction:column;gap:5px;display:flex}.mastery-label{color:var(--text-secondary);justify-content:space-between;font-size:11.5px;font-weight:500;display:flex}.mastery-pct{color:var(--text-primary);font-weight:600}.mastery-track{background:var(--neu-bg);height:8px;box-shadow:var(--neu-inset-shadow);border-radius:99px;position:relative;overflow:hidden}.mastery-fill{background:var(--accent);border-radius:99px;height:100%;transition:width .5s cubic-bezier(.4,0,.2,1)}.mastery-empty{color:var(--text-muted);text-align:center;padding:8px 0;font-size:12px}.cognitive-stage-badge{color:var(--accent);letter-spacing:.02em;background:#4a6cf714;border:1px solid #4a6cf733;border-radius:99px;margin-left:auto;padding:2px 8px;font-size:10px;font-weight:700}.cognitive-mastery-container{flex-direction:column;gap:12px;display:flex}.depth-meter-track{grid-template-columns:repeat(4,1fr);gap:6px;margin-top:2px;display:grid}.depth-meter-step{flex-direction:column;gap:4px;display:flex}.depth-step-bar{background:#00000014;border-radius:99px;height:5px;transition:all .3s;position:relative}.depth-step-bar.active{background:var(--accent);box-shadow:0 0 8px #4a6cf759}.depth-step-bar.current{background:var(--accent);animation:2.4s ease-in-out infinite depthPulse}@keyframes depthPulse{0%,to{opacity:1;transform:scaleY(1)}50%{opacity:.75;transform:scaleY(1.3)}}.depth-step-label{color:var(--text-muted);text-align:center;letter-spacing:-.01em;font-size:9.5px;font-weight:500}.depth-step-label.active{color:var(--text-primary);font-weight:600}.tutor-insight-box{border-left:3px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:#4a6cf70a;align-items:flex-start;gap:8px;padding:8px 10px;display:flex}.insight-quote-icon{color:var(--accent);flex-shrink:0;margin-top:1px}.tutor-insight-text{color:var(--text-secondary);margin:0;font-size:11.5px;font-style:italic;line-height:1.45}.depth-actions-row{justify-content:space-between;align-items:center;gap:8px;padding-top:2px;display:flex}.btn-test-depth{color:var(--accent);cursor:pointer;background:#4a6cf714;border:1px solid #4a6cf733;border-radius:6px;align-items:center;gap:5px;padding:5px 10px;font-size:11px;font-weight:600;transition:all .2s;display:flex}.btn-test-depth:hover{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 2px 8px #4a6cf740}.btn-toggle-breakdown{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;align-items:center;gap:4px;padding:4px 6px;font-size:11px;font-weight:500;transition:color .2s;display:flex}.btn-toggle-breakdown:hover{color:var(--text-primary)}.pillars-breakdown{border:1px solid var(--border-dim);border-radius:var(--radius-sm);background:#00000005;flex-direction:column;gap:10px;margin-top:4px;padding:10px;display:flex}.pillar-item{flex-direction:column;gap:4px;display:flex}.pillar-header{justify-content:space-between;align-items:baseline;display:flex}.pillar-title{color:var(--text-primary);align-items:center;gap:5px;font-size:11px;font-weight:600;display:flex}.pillar-pct{color:var(--accent);font-variant-numeric:tabular-nums;font-size:11px;font-weight:700}.pillar-sub{color:var(--text-muted);font-size:9.5px;line-height:1.25}.pillar-track{background:#0000000f;border-radius:99px;height:5px;position:relative;overflow:hidden}.pillar-fill{background:linear-gradient(90deg,#4a6cf7,#6c88f9);border-radius:99px;height:100%;transition:width .6s cubic-bezier(.4,0,.2,1)}.attached-screen-preview{background:var(--surface);border:1px solid var(--border-dim);border-radius:10px;align-items:center;gap:10px;margin-bottom:8px;padding:6px 10px;display:flex;box-shadow:0 2px 8px #0000000a}.attached-screen-thumb-container{border:1px solid var(--border);border-radius:6px;flex-shrink:0;width:44px;height:32px;position:relative;overflow:hidden}.attached-screen-thumb{object-fit:cover;width:100%;height:100%}.attached-screen-remove{color:#fff;cursor:pointer;background:#000000b3;border:none;border-radius:50%;justify-content:center;align-items:center;width:14px;height:14px;padding:0;transition:background .15s;display:flex;position:absolute;top:1px;right:1px}.attached-screen-remove:hover{background:#e05555}.attached-screen-info{flex-direction:column;gap:1px;display:flex;overflow:hidden}.attached-screen-label{color:var(--text-primary);font-size:11px;font-weight:600}.attached-screen-sub{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:10px;overflow:hidden}.misconception-section{flex-direction:column;gap:8px;padding:14px 16px;display:flex}.misconception-chip{border-radius:var(--radius-sm);color:var(--text-secondary);background:#e055550f;border:1px solid #e055552e;align-items:flex-start;gap:8px;padding:8px 10px;font-size:12px;line-height:1.4;transition:opacity .3s;display:flex}.misconception-chip.resolved{opacity:.45;background:#34c4720d;border-color:#34c47240}.chip-dot{background:var(--danger);border-radius:50%;flex-shrink:0;width:7px;height:7px;margin-top:3px}.misconception-chip.resolved .chip-dot{background:var(--success)}.misconceptions-empty{color:var(--text-muted);text-align:center;padding:8px 0;font-size:12px}.lesson-section{flex-direction:column;gap:8px;padding:14px 16px;display:flex}.lesson-field{flex-direction:column;gap:2px;display:flex}.lesson-field-label{text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);font-size:10px;font-weight:600}.lesson-field-value{color:var(--text-primary);word-break:break-word;overflow-wrap:anywhere;font-size:12.5px;font-weight:400;line-height:1.4}.fade-in{animation:.25s fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.audio-mute-btn{background:var(--surface);border:1px solid var(--border-dim);width:26px;height:26px;color:var(--text-secondary);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;transition:all .2s;display:flex}.audio-mute-btn:hover{background:var(--surface-hover);color:var(--text-primary);border-color:var(--border-bright)}.audio-mute-btn.muted{color:var(--danger);background:#e0555514;border-color:#e055554d}.speaking-pulse{animation:1.4s ease-in-out infinite speakingPulse}@keyframes speakingPulse{0%,to{transform:scale(1);box-shadow:0 0 15px #4f6ef74d}50%{transform:scale(1.04);box-shadow:0 0 25px #4f6ef7a6}}.audio-wave-container{background:#4f6ef71a;border:1px solid #4f6ef74d;border-radius:99px;align-items:center;gap:4px;height:24px;padding:4px 10px;display:flex}.wave-bar{background:var(--accent);border-radius:2px;width:3px;height:14px;animation:1s ease-in-out infinite alternate waveAnim}.bar-1{height:8px;animation-delay:.1s}.bar-2{height:14px;animation-delay:.3s}.bar-3{height:18px;animation-delay:.5s}.bar-4{height:12px;animation-delay:.2s}.bar-5{height:6px;animation-delay:.4s}@keyframes waveAnim{0%{opacity:.5;transform:scaleY(.3)}to{opacity:1;transform:scaleY(1.2)}}.speaking-label{color:var(--accent);margin-left:2px;font-size:10.5px;font-weight:600}.mic-btn{border-radius:var(--radius-sm);border:1px solid var(--border-dim);background:var(--surface);width:38px;height:38px;color:var(--text-secondary);cursor:pointer;flex-shrink:0;justify-content:center;align-items:center;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.mic-btn:hover:not(:disabled){background:var(--surface-hover);color:var(--accent);border-color:var(--accent)}.mic-btn.listening,.neu-btn.listening{animation:1.2s ease-in-out infinite micListenPulse;border-color:var(--danger)!important;color:var(--danger)!important;background:#e0555526!important}.mic-pulse-dot{background:var(--danger);border-radius:50%;width:10px;height:10px;animation:.8s infinite alternate pulseDot}@keyframes pulseDot{0%{opacity:.6;transform:scale(.8)}to{opacity:1;transform:scale(1.3)}}@keyframes micListenPulse{0%,to{box-shadow:0 0 #e0555566}50%{box-shadow:0 0 0 8px #e0555500}}.input-bar.dictation-mode{background:var(--surface);border-radius:var(--radius-md);border:1px solid #588cf659;justify-content:space-between;align-items:center;min-height:48px;padding:6px 10px;animation:.2s fadeIn;display:flex;box-shadow:0 0 16px #588cf626,inset 0 1px 2px #0000000a}.dictation-track{flex:1;align-items:center;gap:12px;padding:0 8px;display:flex;overflow:hidden}.dictation-lead-dots{opacity:.4;align-items:center;gap:5px;display:flex}.dictation-lead-dots .dot{background:var(--text-secondary);border-radius:50%;width:3px;height:3px}.dictation-wave-cluster{flex:1;justify-content:center;align-items:center;gap:3.5px;height:32px;display:flex}.dictation-bar-line{background:var(--accent);transform-origin:50%;border-radius:2px;width:2.8px;min-height:3.5px;transition:height 60ms cubic-bezier(.2,.8,.4,1)}.dictation-bar-line.dynamic{background:linear-gradient(#6c99f8 0%,#3f75ea 100%);box-shadow:0 0 4px #588cf64d}.dictation-action-buttons{align-items:center;gap:8px;margin-left:12px;display:flex}.dictation-cancel-btn:hover{border-color:var(--danger)!important;color:var(--danger)!important;background:#e055551f!important}.dictation-confirm-btn{background:var(--accent)!important;color:#fff!important;border-color:var(--accent)!important}.dictation-confirm-btn:hover{transform:scale(1.04);background:var(--accent-hover)!important}.soundwave-btn-icon{flex-shrink:0;transition:transform .2s}.hands-free-toggle-btn:hover .soundwave-btn-icon{transform:scale(1.1)}.soundwave-btn-icon.animated{animation:1.2s ease-in-out infinite soundwavePulse}@keyframes soundwavePulse{0%,to{opacity:.8;transform:scaleY(.85)}50%{opacity:1;transform:scaleY(1.15)}}.hands-free-toggle-btn{border-radius:var(--radius-sm);border:1px solid var(--border-dim);background:var(--surface);width:38px;height:38px;color:var(--text-secondary);cursor:pointer;flex-shrink:0;justify-content:center;align-items:center;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.hands-free-toggle-btn:hover:not(:disabled){background:var(--surface-hover);color:var(--accent);border-color:var(--accent)}.hands-free-toggle-btn.active{border-color:var(--success);color:var(--success);background:#34c47226;box-shadow:0 0 10px #34c4724d}@media (max-width:900px){.app-shell{grid-template-rows:56px auto 1fr;grid-template-columns:1fr}.main-top{grid-template-columns:1fr}.sidebar{flex-flow:wrap;padding:0 16px 16px;overflow-y:visible}}.wl-page{background:#f5f3ef;min-height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;overflow-x:hidden}.wl-nav{z-index:100;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f5f3efd9;border-bottom:1px solid #0000000d;padding:0 24px;position:fixed;top:0;left:0;right:0}.wl-nav-inner{justify-content:space-between;align-items:center;max-width:1200px;height:64px;margin:0 auto;display:flex}.wl-logo{color:#1a1a1a;letter-spacing:-.02em;align-items:center;gap:6px;font-size:1.35rem;font-weight:700;text-decoration:none;display:flex}.wl-logo-icon{font-size:1.1rem}.wl-nav-links{align-items:center;gap:28px;display:flex}.wl-nav-links a{color:#555;font-size:.875rem;font-weight:500;text-decoration:none;transition:color .2s}.wl-nav-links a:hover{color:#1a1a1a}.wl-nav-signin{border-radius:6px;padding:8px 12px;color:#555!important;font-size:.85rem!important;font-weight:500!important;text-decoration:none!important;transition:color .15s,background .15s!important}.wl-nav-signin:hover,.wl-nav-signin.active{background:#0000000a;color:#1a1a1a!important}.wl-nav-cta{padding:8px 18px;color:#fff!important;background:#1d1d1f!important;border-radius:8px!important;font-size:.825rem!important;font-weight:600!important;transition:background .15s,transform .1s!important}.wl-nav-cta:hover{transform:translateY(-1px);background:#3a3a3c!important}.wl-desktop-br{display:block}.wl-mobile-nav-toggle-wrap{display:none}.apple-nav-toggle{cursor:pointer;z-index:1001;touch-action:manipulation;-webkit-tap-highlight-color:transparent;background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;min-width:44px;height:44px;min-height:44px;padding:0;display:flex;position:relative}.apple-toggle-line{transform-origin:50%;background:#1d1d1f;border-radius:1px;width:18px;height:1.6px;transition:transform .24s cubic-bezier(.16,1,.3,1),opacity .2s;display:block}.apple-nav-toggle.open .line-1{transform:translateY(3.3px)rotate(45deg)}.apple-nav-toggle.open .line-2{transform:translateY(-3.3px)rotate(-45deg)}.apple-menu-overlay{z-index:9999999;-webkit-backdrop-filter:blur(28px)saturate(180%);box-sizing:border-box;background:#f5f3ef;flex-direction:column;width:100vw;height:100vh;animation:.2s cubic-bezier(.16,1,.3,1) forwards appleOverlayFade;display:flex;position:fixed;inset:0;overflow-y:auto}@keyframes appleOverlayFade{0%{opacity:0}to{opacity:1}}.apple-menu-header{box-sizing:border-box;border-bottom:1px solid #0000000d;flex-shrink:0;justify-content:space-between;align-items:center;width:100%;max-width:1200px;height:64px;margin:0 auto;padding:0 16px;display:flex}.apple-menu-inner{box-sizing:border-box;flex-direction:column;flex:1;justify-content:space-between;width:100%;max-width:500px;margin:0 auto;padding:32px 24px 44px;display:flex}.apple-menu-nav{flex-direction:column;display:flex}.apple-menu-item{letter-spacing:-.025em;color:#1d1d1f;cursor:pointer;border-bottom:1px solid #00000012;justify-content:space-between;align-items:center;padding:16px 4px;font-size:24px;font-weight:600;text-decoration:none;transition:color .15s,transform .15s;display:flex}.apple-menu-item:first-child{border-top:1px solid #00000012}.apple-menu-item:hover,.apple-menu-item.active{color:#000}.apple-menu-bottom{flex-direction:column;gap:14px;margin-top:36px;display:flex}.apple-menu-cta{color:#fff;text-align:center;box-sizing:border-box;background:#1d1d1f;border-radius:8px;justify-content:center;align-items:center;width:100%;padding:14px 24px;font-size:.95rem;font-weight:600;text-decoration:none;transition:background .15s,transform .15s;display:flex;box-shadow:0 4px 18px #0000002e}.apple-menu-cta:active{background:#000;transform:scale(.98)}.apple-menu-caption{color:#86868b;text-align:center;letter-spacing:.02em;margin:0;font-size:.775rem}.wl-hero-wrapper{justify-content:center;padding:120px 24px 60px;display:flex}.wl-hero-card-stack{width:100%;max-width:900px;position:relative}.wl-paper-sheet{pointer-events:none;transform-origin:35px 20px;border-radius:3px;transition:transform .35s cubic-bezier(.16,1,.3,1),box-shadow .35s;position:absolute;inset:0}.wl-paper-sheet-3{z-index:1;background:#f6f4ed;border:1px solid #0000000f;transform:rotate(-1.5deg)translateY(3px)translate(-2px);box-shadow:2px 4px 10px #0000000d,6px 20px 42px -6px #00000017}.wl-paper-sheet-2{z-index:2;background:#fdfbf7;border:1px solid #0000000d;transform:rotate(2.4deg)translate(4px);box-shadow:1px 3px 8px #0000000a,4px 14px 30px -4px #00000012}.wl-hero-card{z-index:5;transform-origin:35px 20px;background:#fff;border-radius:3px;width:100%;padding:84px 60px 72px;transition:transform .35s cubic-bezier(.16,1,.3,1),box-shadow .35s;position:relative;overflow:visible;transform:rotate(.6deg);box-shadow:1px 2px 4px #0000000a,3px 8px 24px -4px #00000014}@media (hover:hover) and (min-width:769px){.wl-hero-card-stack:hover .wl-hero-card{transform:rotate(.3deg)translateY(-2px);box-shadow:2px 4px 6px #0000000a,5px 16px 36px -4px #0000001c}.wl-hero-card-stack:hover .wl-paper-sheet-2{transform:rotate(2.8deg)translate(5px)translateY(-1px)}.wl-hero-card-stack:hover .wl-paper-sheet-3{transform:rotate(-1.8deg)translateY(4px)}}.wl-paper-pin{z-index:25;pointer-events:none;filter:drop-shadow(0 2px 3px #0000002e);position:absolute;top:-14px;left:24px;transform:rotate(4deg)}.wl-page-curl{pointer-events:none;width:85px;height:85px;position:absolute;top:0;right:0;overflow:hidden}.wl-page-curl:before{content:"";border-top:0 solid #0000;border-bottom:85px solid #0000;border-left:0 solid #0000;border-right:85px solid #faf8f3;border-radius:0 0 0 10px;width:0;height:0;position:absolute;top:0;right:0;box-shadow:inset -2px 2px 5px #0000000f}.wl-page-curl:after{content:"";transform-origin:100% 0;background:linear-gradient(225deg,#faf8f3 0%,#f7f4ec 44%,#eee9df 48%,#fff 50% 100%);border-radius:0 0 0 16px;width:80px;height:80px;position:absolute;top:2px;right:2px;box-shadow:-4px 4px 10px #00000014}.wl-hero-content{text-align:center}.wl-headline{color:#1a1a1a;letter-spacing:-.03em;margin-bottom:24px;font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.18}.wl-headline .wl-line,.wl-headline .wl-desktop-line2,.wl-headline .wl-desktop-line3{display:block}.wl-headline .wl-mobile-line2,.wl-headline .wl-mobile-line3{display:none}.wl-subtext{color:#666;max-width:520px;margin:0 auto 36px;font-size:1.05rem;line-height:1.7}.wl-subtext em{color:#444;font-style:italic}.wl-email-form{max-width:480px;margin:0 auto}.wl-input-group{background:#f5f3ef;border:1px solid #00000014;border-radius:12px;gap:6px;padding:5px;transition:border-color .2s,box-shadow .2s;display:flex}.wl-input-group:focus-within{border-color:#00000026;box-shadow:0 0 0 4px #1a1a1a0f}.wl-email-input{color:#1a1a1a;background:0 0;border:none;outline:none;flex:1;min-width:0;padding:12px 18px;font-family:inherit;font-size:16px}.wl-email-input::placeholder{color:#aaa}.wl-submit-btn{color:#fff;cursor:pointer;white-space:nowrap;background:#1d1d1f;border:none;border-radius:8px;padding:12px 24px;font-family:inherit;font-size:.9rem;font-weight:600;transition:background .15s,transform .1s}.wl-submit-btn:hover:not(:disabled){background:#3a3a3c;transform:translateY(-1px)}.wl-submit-btn:disabled{opacity:.75;cursor:not-allowed}.wl-spinner{flex-shrink:0;animation:.7s linear infinite wl-spin;display:inline-block}@keyframes wl-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.wl-msg{text-align:center;margin-top:14px;font-size:.875rem;font-weight:500}.wl-msg-success{color:#22863a}.wl-msg-error{color:#d93025}.wl-social-proof{color:#888;justify-content:center;align-items:center;gap:8px;margin-top:20px;font-size:.825rem;display:flex}.wl-dot-pulse{background:#22863a;border-radius:50%;width:8px;height:8px;animation:2s ease-in-out infinite wlPulse}@keyframes wlPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}.wl-progressive-wrap{text-align:left;background:#fff;border:1px solid #00000014;border-radius:20px;width:100%;max-width:520px;margin:0 auto;padding:24px 28px;animation:.3s cubic-bezier(.16,1,.3,1) forwards wlFadeSlideIn;box-shadow:0 12px 36px -4px #00000014,0 2px 8px -1px #0000000a}@keyframes wlFadeSlideIn{0%{opacity:0;transform:translateY(12px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.wl-step-badge{color:#22863a;background:#22863a1a;border-radius:9999px;align-items:center;gap:6px;margin-bottom:12px;padding:4px 10px;font-size:.8rem;font-weight:700;display:inline-flex}.wl-step-title{color:#1a1a1a;letter-spacing:-.025em;margin-bottom:6px;font-size:1.35rem;font-weight:800}.wl-step-desc{color:#666;margin-bottom:20px;font-size:.875rem;line-height:1.45}.wl-field-block{margin-bottom:18px}.wl-field-label{color:#444;letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px;font-size:.775rem;font-weight:700;display:block}.wl-chip-grid{flex-wrap:wrap;gap:8px;display:flex}.wl-chip-btn{color:#444;cursor:pointer;-webkit-user-select:none;user-select:none;background:#f5f3ef;border:1px solid #00000014;border-radius:100px;padding:8px 14px;font-family:inherit;font-size:.825rem;font-weight:600;transition:all .15s}.wl-chip-btn:hover{background:#ebe7e0;border-color:#00000026;transform:translateY(-1px)}.wl-chip-btn.active{color:#fff;background:#1a1a1a;border-color:#1a1a1a;box-shadow:0 4px 12px #1a1a1a33}.wl-action-row{border-top:1px solid #0000000f;justify-content:space-between;align-items:center;gap:12px;margin-top:24px;padding-top:18px;display:flex}.wl-skip-btn{color:#777;cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px 12px;font-family:inherit;font-size:.85rem;font-weight:600;transition:color .15s}.wl-skip-btn:hover{color:#1a1a1a;text-decoration:underline}.wl-save-btn{color:#fff;cursor:pointer;background:#1d1d1f;border:none;border-radius:8px;padding:12px 24px;font-family:inherit;font-size:.875rem;font-weight:600;transition:all .15s}.wl-save-btn:hover:not(:disabled){background:#3a3a3c;transform:translateY(-1px);box-shadow:0 4px 14px #00000026}.wl-save-btn:disabled{opacity:.6;cursor:not-allowed}.wl-confirmed-card{text-align:center;padding:28px 20px}.wl-conf-icon{color:#22863a;background:#22863a1f;border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;margin:0 auto 16px;font-size:1.5rem;display:flex;box-shadow:0 0 20px #22863a26}.wl-share-box{background:#f8fafc;border:1px solid #0000000f;border-radius:14px;margin-top:24px;padding:18px}.wl-share-label{color:#64748b;margin-bottom:12px;font-size:.8rem;font-weight:600}.wl-share-btns{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;display:flex}.wl-share-btn{cursor:pointer;border-radius:8px;align-items:center;gap:6px;padding:9px 18px;font-family:inherit;font-size:.825rem;font-weight:600;text-decoration:none;transition:all .15s;display:inline-flex}.wl-share-twitter{color:#fff;background:#000;border:1px solid #000}.wl-share-twitter:hover{background:#222;transform:translateY(-1px)}.wl-share-copy{color:#1a1a1a;background:#fff;border:1px solid #0000001f}.wl-share-copy:hover{background:#f1f5f9;border-color:#0003}.ts-onboard-page{color:#111827;background:#fff;flex-direction:column;justify-content:flex-start;align-items:center;min-height:100vh;padding:56px 20px 80px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}.ts-onboard-container{width:100%;max-width:440px;margin:0 auto}.ts-progress-bar{justify-content:center;align-items:center;gap:8px;margin-bottom:44px;display:flex}.ts-progress-dash{background:#e5e7eb;border-radius:2px;width:36px;height:3px;transition:background .3s}.ts-progress-dash.active{background:#111827}.ts-onboard-title{letter-spacing:-.035em;color:#111827;margin-bottom:28px;font-size:2.15rem;font-weight:700;line-height:1.16}.ts-onboard-form{flex-direction:column;gap:22px;display:flex}.ts-field-group{flex-direction:column;gap:6px;display:flex}.ts-label{color:#374151;font-size:.875rem;font-weight:500}.ts-sublabel{color:#6b7280;margin-top:-2px;margin-bottom:4px;font-size:.8rem}.ts-input{color:#111827;background:#fff;border:1px solid #d1d5db;border-radius:8px;outline:none;width:100%;padding:10px 14px;font-family:inherit;font-size:.95rem;transition:border-color .15s,box-shadow .15s}.ts-input:focus{border-color:#111827;box-shadow:0 0 0 2px #1118271a}.ts-input:disabled{color:#6b7280;cursor:not-allowed;background:#f9fafb;border-color:#e5e7eb}.ts-select{color:#111827;cursor:pointer;appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E") right 12px center/16px 16px no-repeat;border:1px solid #d1d5db;border-radius:8px;outline:none;width:100%;padding:10px 14px;font-family:inherit;font-size:.95rem}.ts-select:focus{border-color:#111827;box-shadow:0 0 0 2px #1118271a}.ts-chips{flex-wrap:wrap;gap:8px;margin-top:4px;display:flex}.ts-chip{color:#374151;cursor:pointer;background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:8px 14px;font-family:inherit;font-size:.85rem;font-weight:500;transition:all .15s}.ts-chip:hover{background:#f3f4f6;border-color:#d1d5db}.ts-chip.active{color:#fff;background:#111827;border-color:#111827}.ts-action-row{justify-content:flex-end;align-items:center;gap:20px;margin-top:24px;display:flex}.ts-skip-btn{color:#6b7280;cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px 12px;font-family:inherit;font-size:.925rem;font-weight:500;transition:color .15s}.ts-skip-btn:hover{color:#111827;text-decoration:underline}.ts-next-btn{color:#fff;cursor:pointer;background:#111827;border:none;border-radius:8px;padding:10px 24px;font-family:inherit;font-size:.925rem;font-weight:600;transition:background .15s}.ts-next-btn:hover:not(:disabled){background:#374151}.ts-next-btn:disabled{opacity:.6;cursor:not-allowed}.ts-confirmed-box{text-align:center;animation:.25s tsFadeIn}@keyframes tsFadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.ts-confirmed-icon{color:#22863a;background:#22863a1f;border-radius:50%;justify-content:center;align-items:center;width:68px;height:68px;margin:0 auto 24px;display:flex;box-shadow:0 0 0 8px #22863a14}.ts-share-box{text-align:center;background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;margin-top:32px;padding:20px}.ts-share-title{color:#374151;margin-bottom:14px;font-size:.85rem;font-weight:600}.ts-share-btns{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;display:flex}.ts-share-btn{cursor:pointer;border-radius:8px;align-items:center;gap:7px;padding:8px 16px;font-family:inherit;font-size:.85rem;font-weight:600;text-decoration:none;transition:all .15s;display:inline-flex}.ts-share-twitter{color:#fff;background:#000;border:1px solid #000}.ts-share-twitter:hover{background:#222}.ts-share-copy{color:#111827;background:#fff;border:1px solid #d1d5db}.ts-share-copy:hover{background:#f3f4f6}.ts-home-link{color:#6b7280;margin-top:32px;font-size:.875rem;text-decoration:none;transition:color .15s;display:inline-block}.ts-home-link:hover{color:#111827;text-decoration:underline}.wl-board-section{background-color:#1a3a2a;background-image:linear-gradient(#ffffff08 1px,#0000 1px),linear-gradient(90deg,#ffffff08 1px,#0000 1px);background-position:0 0;background-repeat:repeat;background-size:24px 24px;background-attachment:scroll;background-origin:padding-box;background-clip:border-box;border-radius:24px;justify-content:center;align-items:center;gap:40px;min-height:500px;margin:0 24px;padding:100px 24px;display:flex;position:relative;overflow:hidden}.wl-sticky{border-radius:3px;flex-shrink:0;width:180px;min-height:160px;padding:40px 18px 18px;position:relative;box-shadow:2px 4px 12px #00000040,0 1px 3px #00000026}.wl-sticky p{color:#333;font-family:Segoe Print,Bradley Hand,Comic Sans MS,cursive;font-size:.9rem;line-height:1.4}.wl-sticky-1{background:#fef3c7;transform:rotate(-4deg)}.wl-sticky-2{background:#d1fae5;transform:rotate(3deg)}.wl-clip{background:#555;border-radius:4px 4px 0 0;width:32px;height:20px;position:absolute;top:-8px;left:50%;transform:translate(-50%);box-shadow:0 2px 4px #0000004d}.wl-clip:before,.wl-clip:after{content:"";border:2px solid #555;border-top:none;border-radius:0 0 4px 4px;width:10px;height:14px;position:absolute;bottom:-10px}.wl-clip:before{left:3px}.wl-clip:after{right:3px}.wl-board-center{text-align:center;max-width:420px}.wl-board-headline{color:#fff;letter-spacing:-.02em;margin-bottom:16px;font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.15}.wl-board-sub{color:#ffffffa6;font-size:.95rem;line-height:1.6}.wl-chat-snippet{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);text-align:left;background:#ffffff1a;border:1px solid #ffffff1f;border-radius:14px;align-items:flex-start;gap:12px;margin-bottom:32px;padding:14px 16px;display:flex;box-shadow:0 4px 20px #00000026}.wl-chat-avatar{color:#1a3a2a;background:#fff;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.85rem;font-weight:700;display:flex}.wl-chat-body{flex:1}.wl-chat-name{color:#ffffffd9;margin-bottom:4px;font-size:.75rem;font-weight:700;display:block}.wl-chat-body p{color:#ffffffb3;margin:0;font-size:.82rem;line-height:1.5}.wl-features{max-width:1100px;margin:0 auto;padding:100px 24px}.wl-section-title{text-align:center;color:#1a1a1a;letter-spacing:-.03em;margin-bottom:56px;font-size:2rem;font-weight:800}.wl-features-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.wl-feature-card{border-radius:3px;padding:52px 28px 32px;transition:transform .25s;position:relative;box-shadow:2px 3px 10px #0000001f,0 1px 3px #00000014}.wl-feature-card:before{content:"";background:#00000014;border-radius:2px;width:40px;height:18px;position:absolute;top:-6px;left:50%;transform:translate(-50%);box-shadow:0 1px 2px #0000001a}.wl-feature-card:first-child{background:#fef3c7;transform:rotate(-1.5deg)}.wl-feature-card:nth-child(2){background:#fce7f3;transform:rotate(1deg)}.wl-feature-card:nth-child(3){background:#d1fae5;transform:rotate(-.8deg)}.wl-feature-card:hover{transform:rotate(0)translateY(-4px)scale(1.02);box-shadow:4px 6px 20px #00000026,0 2px 6px #0000001a}.wl-feature-icon{background:#0000000f;border-radius:10px;justify-content:center;align-items:center;width:44px;height:44px;margin-bottom:16px;display:flex}.wl-feature-icon svg{color:#1a3a2a;width:24px;height:24px}.wl-feature-card h3{color:#1a1a1a;letter-spacing:-.01em;margin-bottom:8px;font-size:1.05rem;font-weight:700}.wl-feature-card p{color:#444;font-size:.875rem;line-height:1.55}.wl-final-cta{text-align:center;padding:80px 24px}.wl-final-inner{max-width:600px;margin:0 auto}.wl-final-inner h2{color:#1a1a1a;letter-spacing:-.03em;margin-bottom:12px;font-size:2rem;font-weight:800}.wl-final-inner p{color:#666;margin-bottom:32px;font-size:1rem}.wl-email-form-bottom .wl-input-group{background:#fff}.wl-footer{text-align:center;border-top:1px solid #0000000f;padding:32px 24px}.wl-footer p{color:#aaa;font-size:.8rem}@media (max-width:768px){.wl-nav{padding:0 16px}.wl-desktop-nav{display:none!important}.wl-mobile-nav-toggle-wrap{align-items:center;gap:10px;display:flex!important}.wl-mobile-header-cta{border-radius:8px!important;padding:7px 14px!important;font-size:.775rem!important}.wl-hero-wrapper{box-sizing:border-box;width:100%;max-width:100vw;padding:80px 12px 32px;overflow:hidden}.wl-hero-card-stack{box-sizing:border-box;width:100%;max-width:380px;margin:0 auto;padding:0 6px}.wl-hero-card{border-radius:4px;padding:74px 18px 36px;box-shadow:0 2px 8px #0000000d,0 12px 28px -4px #0000001a;transform:none!important}.wl-paper-sheet{transform-origin:24px 14px;border-radius:4px}.wl-paper-sheet-3{background:#f2ede2;border:1px solid #00000014;transform:rotate(-1.5deg)translate(-3px)translateY(4px);box-shadow:2px 4px 10px #0000000d,4px 14px 24px -4px #00000014}.wl-paper-sheet-2{background:#faf6ee;border:1px solid #00000012;transform:rotate(1.5deg)translate(3px)translateY(2px);box-shadow:2px 3px 8px #0000000a,3px 10px 20px -4px #00000012}.wl-hero-card-stack:hover .wl-hero-card,.wl-hero-card-stack:active .wl-hero-card,.wl-hero-card-stack:focus-within .wl-hero-card{transform:none!important}.wl-hero-card-stack:hover .wl-paper-sheet-2,.wl-hero-card-stack:active .wl-paper-sheet-2,.wl-hero-card-stack:focus-within .wl-paper-sheet-2{transform:rotate(1.5deg)translate(3px)translateY(2px)!important}.wl-hero-card-stack:hover .wl-paper-sheet-3,.wl-hero-card-stack:active .wl-paper-sheet-3,.wl-hero-card-stack:focus-within .wl-paper-sheet-3{transform:rotate(-1.5deg)translate(-3px)translateY(4px)!important}.wl-paper-pin{top:-10px;left:14px;transform:scale(.78)rotate(4deg)}.wl-page-curl{width:46px;height:46px}.wl-page-curl:before{border-width:0 46px 46px 0;border-radius:0 0 0 6px;box-shadow:inset -2px 2px 4px #00000012}.wl-page-curl:after{border-radius:0 0 0 8px;width:44px;height:44px;top:1px;right:1px;box-shadow:-2px 2px 5px #0000001f}.wl-desktop-br{display:none}.wl-headline .wl-desktop-line2,.wl-headline .wl-desktop-line3{display:none!important}.wl-headline .wl-mobile-line2,.wl-headline .wl-mobile-line3{display:block!important}.wl-headline{text-align:center;letter-spacing:-.025em;color:#1a1a1a;max-width:95%;margin:0 auto 16px;padding:0;font-size:clamp(1.55rem,6.2vw,1.95rem);font-weight:800;line-height:1.25}.wl-headline .wl-line{text-align:center;width:100%;display:block}.wl-subtext{text-align:center;text-wrap:pretty;color:#666;max-width:96%;margin:0 auto 28px;padding:0;font-size:.95rem;line-height:1.55}.wl-input-group{border-radius:12px;flex-direction:column;gap:6px;padding:6px}.wl-email-input{text-align:center;padding:12px 14px;font-size:16px!important}.wl-submit-btn{border-radius:8px;padding:12px 20px;font-size:.925rem}.wl-board-section{box-sizing:border-box;border-radius:18px;flex-direction:column;gap:20px;width:calc(100% - 24px);max-width:420px;min-height:auto;margin:0 auto;padding:40px 16px;overflow:hidden}.wl-sticky{width:150px;min-height:120px;padding:32px 14px 14px}.wl-sticky p{font-size:.82rem}.wl-sticky-1{transform:rotate(-2deg)}.wl-sticky-2{transform:rotate(2deg)}.wl-board-headline{font-size:1.75rem}.wl-chat-snippet{margin-bottom:20px;padding:12px 14px}.wl-features{padding:64px 16px}.wl-section-title{margin-bottom:36px;font-size:1.75rem}.wl-features-grid{grid-template-columns:1fr;gap:16px}.wl-final-cta{padding:60px 16px}.wl-final-inner h2{font-size:1.75rem}}.cg-rail{background:var(--surface-2,#fff);border-right:1px solid var(--border-dim,#00000014);z-index:120;-webkit-user-select:none;user-select:none;flex-direction:column;align-items:center;gap:8px;width:52px;padding:10px 0 14px;display:flex;position:fixed;top:0;bottom:0;left:0;box-shadow:1px 0 6px #1a223308}.cg-rail-btn{width:38px;height:38px;color:var(--text-secondary,#5a6b80);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;padding:0;transition:all .15s cubic-bezier(.16,1,.3,1);display:flex}.cg-rail-btn:hover{background:var(--surface,#f0f4f8);color:var(--accent,#4a6cf7);border-color:var(--border-dim,#0000000f);transform:translateY(-1px)}.cg-rail-btn:active{transform:translateY(0)}.cg-rail-logo-btn{margin-bottom:4px}.cg-rail-logo-badge{background:var(--accent,#4a6cf7);color:#fff;border-radius:8px;justify-content:center;align-items:center;width:28px;height:28px;font-size:14px;font-weight:700;transition:transform .15s;display:flex;box-shadow:0 2px 6px #4a6cf740}.cg-rail-logo-btn:hover .cg-rail-logo-badge{transform:scale(1.06)}.cg-rail-spacer{flex:1}.cg-rail-avatar-btn{margin-top:auto}.cg-rail-avatar{color:#fff;background:linear-gradient(135deg,#4a6cf7 0%,#3a5ce6 100%);border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;font-size:11px;font-weight:700;transition:transform .15s;display:flex;box-shadow:0 2px 6px #4a6cf747}.cg-rail-avatar-btn:hover .cg-rail-avatar{transform:scale(1.08)}.cg-sidebar-backdrop{-webkit-backdrop-filter:blur(8px);z-index:190;cursor:pointer;background:#1a223329;animation:.2s cubic-bezier(.16,1,.3,1) forwards cgBackdropFadeIn;position:fixed;inset:0}@keyframes cgBackdropFadeIn{0%{opacity:0}to{opacity:1}}.app-shell.sidebar-open>.main-area,.app-shell.sidebar-open>.sidebar{filter:blur(5px);pointer-events:none;transition:filter .22s cubic-bezier(.16,1,.3,1)}.app-shell>.main-area,.app-shell>.sidebar{transition:filter .22s cubic-bezier(.16,1,.3,1)}.cg-sidebar{background:var(--surface-2,#fff);border-right:1px solid var(--border-dim,#00000014);width:270px;color:var(--text-primary,#1a2233);z-index:200;-webkit-user-select:none;user-select:none;flex-direction:column;animation:.22s cubic-bezier(.16,1,.3,1) cgSidebarSlideIn;display:flex;position:fixed;top:0;bottom:0;left:0;box-shadow:6px 0 32px #1a223317}@keyframes cgSidebarSlideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}.cg-sidebar-header{border-bottom:1px solid var(--border-dim,#0000000f);justify-content:space-between;align-items:center;padding:14px 16px 12px;display:flex}.cg-sidebar-logo{align-items:center;gap:8px;display:flex}.cg-brand-logo-badge{background:var(--accent,#4a6cf7);color:#fff;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-size:13px;font-weight:700;display:flex}.cg-brand-text{color:var(--text-primary,#1a2233);letter-spacing:-.02em;font-size:16px;font-weight:700}.cg-header-actions{align-items:center;gap:4px;display:flex}.cg-icon-btn{color:var(--text-secondary,#5a6b80);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;width:32px;height:32px;transition:all .15s;display:flex}.cg-icon-btn:hover{background:var(--surface,#f0f4f8);color:var(--text-primary,#1a2233)}.cg-icon-btn.active{color:var(--accent,#4a6cf7);background:#4a6cf71a;border-color:#4a6cf733}.cg-search-container{padding:10px 12px 6px}.cg-search-box{background:var(--surface,#f0f4f8);border:1px solid var(--border-dim,#00000014);color:var(--text-muted,#8fa0b4);border-radius:8px;align-items:center;gap:8px;padding:6px 10px;transition:all .15s;display:flex}.cg-search-box:focus-within{border-color:var(--accent,#4a6cf7);color:var(--text-primary,#1a2233);background:#fff;box-shadow:0 0 0 2px #4a6cf724}.cg-search-input{color:var(--text-primary,#1a2233);background:0 0;border:none;outline:none;flex:1;min-width:0;font-family:inherit;font-size:13px}.cg-search-input::placeholder{color:var(--text-muted,#8fa0b4)}.cg-search-clear{color:var(--text-muted,#8fa0b4);cursor:pointer;background:0 0;border:none;padding:0 2px;font-size:16px;line-height:1}.cg-search-clear:hover{color:var(--text-primary,#1a2233)}.cg-nav-actions{border-bottom:1px solid var(--border-dim,#0000000d);flex-direction:column;gap:2px;padding:8px 12px 10px;display:flex}.cg-nav-item{color:var(--text-primary,#1a2233);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;border-radius:8px;align-items:center;gap:11px;width:100%;padding:8px 11px;font-size:13.5px;font-weight:500;transition:all .12s;display:flex}.cg-nav-item:hover{background:var(--surface,#f0f4f8);color:var(--text-primary,#1a2233)}.cg-nav-item svg{color:var(--text-secondary,#5a6b80);flex-shrink:0;transition:color .12s}.cg-nav-item:hover svg{color:var(--accent,#4a6cf7)}.cg-nav-item-primary{font-weight:600}.cg-sidebar-scroll{flex:1;padding:10px 12px 16px;overflow-y:auto}.cg-sidebar-scroll::-webkit-scrollbar{width:4px}.cg-sidebar-scroll::-webkit-scrollbar-thumb{background:var(--neu-dark,#b2bec9);border-radius:99px}.cg-section{margin-bottom:18px}.cg-section-title{color:var(--text-muted,#8fa0b4);text-transform:capitalize;letter-spacing:.02em;padding:6px 10px 4px;font-size:11px;font-weight:600}.cg-section-list{flex-direction:column;gap:1px;display:flex}.cg-chat-item{cursor:pointer;border-radius:8px;justify-content:space-between;align-items:center;min-height:36px;padding:7px 10px;transition:all .12s;display:flex;position:relative}.cg-chat-item:hover{background:var(--surface,#f0f4f8)}.cg-chat-item.active{background:#4a6cf717}.cg-chat-icon{color:var(--text-muted,#8fa0b4);flex-shrink:0;margin-right:8px}.cg-chat-item.active .cg-chat-icon{color:var(--accent,#4a6cf7)}.cg-chat-title{color:var(--text-primary,#1a2233);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13px;font-weight:400;overflow:hidden}.cg-chat-item.active .cg-chat-title{color:var(--accent,#4a6cf7);font-weight:600}.cg-rename-form{flex:1}.cg-rename-input{width:100%;color:var(--text-primary,#1a2233);border:1px solid var(--accent,#4a6cf7);background:#fff;border-radius:4px;outline:none;padding:2px 6px;font-size:13px;box-shadow:0 0 0 2px #4a6cf726}.cg-chat-actions{margin-left:6px;position:relative}.cg-more-btn{opacity:0;color:var(--text-muted,#8fa0b4);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:2px 6px;font-size:12px;line-height:1;transition:opacity .12s,color .12s}.cg-chat-item:hover .cg-more-btn,.cg-chat-item.active .cg-more-btn{opacity:1}.cg-more-btn:hover{color:var(--text-primary,#1a2233);background:#0000000f}.cg-popover-menu{border:1px solid var(--border-dim,#00000014);z-index:50;background:#fff;border-radius:10px;flex-direction:column;min-width:140px;margin-top:4px;padding:4px;animation:.12s cgFadeIn;display:flex;position:absolute;top:100%;right:0;box-shadow:0 10px 25px #1a22331f,0 2px 6px #1a22330a}.cg-popover-item{color:var(--text-primary,#1a2233);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:6px;align-items:center;gap:8px;padding:7px 10px;font-size:12.5px;transition:background .1s;display:flex}.cg-popover-item:hover{background:var(--surface,#f0f4f8);color:var(--accent,#4a6cf7)}.cg-popover-item.danger{color:var(--danger,#e05555)}.cg-popover-item.danger:hover{color:var(--danger,#e05555);background:#e0555514}.cg-empty-note{color:var(--text-muted,#8fa0b4);padding:8px 10px;font-size:12px}.cg-sidebar-footer{border-top:1px solid var(--border-dim,#00000012);background:var(--surface,#f0f4f8);flex-direction:column;gap:8px;padding:12px;display:flex}.cg-user-profile{cursor:pointer;border-radius:8px;align-items:center;gap:10px;padding:6px 8px;transition:background .15s;display:flex}.cg-user-profile:hover{background:#0000000a}.cg-user-avatar{color:#fff;background:linear-gradient(135deg,#4a6cf7 0%,#3a5ce6 100%);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:12px;font-weight:700;display:flex;box-shadow:0 2px 6px #4a6cf747}.cg-user-details{flex-direction:column;line-height:1.25;display:flex}.cg-user-name{color:var(--text-primary,#1a2233);font-size:13px;font-weight:600}.cg-user-tier{color:var(--text-muted,#8fa0b4);font-size:11px}.cg-claim-btn{background:var(--text-primary,#1a2233);color:#fff;cursor:pointer;border:1px solid #0000;border-radius:100px;justify-content:center;align-items:center;gap:8px;width:100%;padding:8px 16px;font-size:13px;font-weight:600;transition:all .15s;display:flex;box-shadow:0 2px 8px #1a223326}.cg-claim-btn:hover{background:var(--accent,#4a6cf7);transform:translateY(-1px);box-shadow:0 4px 12px #4a6cf74d}.cg-header-toggle-btn{background:var(--surface-2,#fff);border:1px solid var(--border-dim,#00000014);color:var(--text-secondary,#5a6b80);cursor:pointer;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;transition:all .15s;display:flex;box-shadow:0 1px 3px #0000000a}.cg-header-toggle-btn:hover{color:var(--accent,#4a6cf7);background:#fff;border-color:#4a6cf759;transform:translateY(-1px);box-shadow:0 2px 6px #4a6cf72e}.btn-new-project-header{background:var(--accent,#4a6cf7);color:#fff;letter-spacing:-.01em;cursor:pointer;border:none;border-radius:99px;align-items:center;gap:6px;padding:6px 14px;font-size:12px;font-weight:600;transition:all .18s cubic-bezier(.16,1,.3,1);display:flex;box-shadow:0 2px 8px #4a6cf740}.btn-new-project-header:hover{background:var(--accent-hover,#3a5ce6);transform:translateY(-1px);box-shadow:0 4px 14px #4a6cf761}.app-header-badge{color:var(--accent,#4a6cf7);letter-spacing:.02em;background:#4a6cf714;border:1px solid #4a6cf72e;border-radius:99px;padding:2px 8px;font-size:11px;font-weight:600}.current-project-crumb{color:var(--text-secondary,#5a6b80);text-overflow:ellipsis;white-space:nowrap;align-items:center;gap:6px;max-width:260px;font-size:13px;display:flex;overflow:hidden}.crumb-bullet{color:var(--text-muted,#8fa0b4);font-size:10px}.crumb-title{text-overflow:ellipsis;white-space:nowrap;font-weight:500;overflow:hidden}.tutor-break-card{background:var(--card-bg,#fff);border-top:1px solid var(--border-dim,#e2e8f0);flex-direction:column;gap:12px;padding:18px 22px;display:flex}.tutor-break-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.tutor-break-eyebrow{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted,#64748b);margin-bottom:2px;font-size:11px;font-weight:600;display:block}.tutor-break-title{color:var(--text-primary,#0f172a);letter-spacing:-.01em;margin:0;font-size:15px;font-weight:600}.tutor-break-timer{background:var(--bg-secondary,#f8fafc);border:1px solid var(--border-dim,#e2e8f0);color:var(--text-secondary,#475569);border-radius:6px;align-items:center;gap:7px;padding:5px 11px;font-size:12px;font-weight:500;display:inline-flex}.tutor-break-timer svg{color:var(--text-muted,#94a3b8);flex-shrink:0}.tutor-break-timer strong{color:var(--text-primary,#0f172a);font-weight:600}.tutor-break-message{color:var(--text-secondary,#475569);background:var(--bg-secondary,#f8fafc);border:1px solid var(--border-dim,#e2e8f0);border-radius:8px;margin:0;padding:10px 14px;font-size:13px;line-height:1.5}.tutor-break-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.tutor-break-btn{cursor:pointer;border-radius:7px;align-items:center;gap:8px;padding:8px 16px;font-size:13px;font-weight:500;line-height:1.4;transition:background .15s,border-color .15s;display:inline-flex}.tutor-break-btn.primary-action-btn{color:#fff;background:#0f172a;border:1px solid #0f172a}.tutor-break-btn.primary-action-btn:hover{background:#1e293b;border-color:#1e293b}.tutor-break-btn.secondary-action-btn{color:var(--text-primary,#0f172a);border:1px solid var(--border-dim,#cbd5e1);background:0 0}.tutor-break-btn.secondary-action-btn:hover{background:var(--bg-secondary,#f8fafc);border-color:#94a3b8}.btn-divider{opacity:.3;background:currentColor;width:1px;height:12px}.btn-price{font-size:12px;font-weight:600}.tutor-break-dev-link{color:var(--text-muted,#94a3b8);cursor:pointer;background:0 0;border:none;padding:4px 6px;font-size:11px;text-decoration:underline}.tutor-break-dev-link:hover{color:var(--text-primary,#0f172a)}.tutor-break-footer{color:var(--text-muted,#64748b);font-size:11px;line-height:1.4}.coffee-toast{color:#fff;z-index:9999;background:#0f172a;border-radius:8px;align-items:center;gap:8px;padding:10px 18px;font-size:13px;font-weight:500;display:flex;position:fixed;bottom:84px;left:50%;transform:translate(-50%);box-shadow:0 4px 14px #00000026}.coffee-toast svg{color:#38bdf8;flex-shrink:0}.pro-modal-backdrop{z-index:10000;background:#0f172a73;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.pro-modal-card{background:var(--card-bg,#fff);border:1px solid var(--border-dim,#e2e8f0);border-radius:12px;flex-direction:column;gap:14px;width:100%;max-width:440px;padding:24px;display:flex;position:relative;box-shadow:0 16px 36px #0000001f}.pro-modal-eyebrow{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted,#64748b);margin-bottom:2px;font-size:11px;font-weight:600;display:block}.pro-modal-title{color:var(--text-primary,#0f172a);letter-spacing:-.01em;margin:0;font-size:18px;font-weight:600}.pro-modal-close{color:var(--text-muted,#94a3b8);cursor:pointer;background:0 0;border:none;padding:4px;font-size:16px;line-height:1}.pro-modal-close:hover{color:var(--text-primary,#0f172a)}.pro-modal-subtitle{color:var(--text-secondary,#475569);margin:0;font-size:13px;line-height:1.45}.pro-modal-features{flex-direction:column;gap:10px;margin:4px 0;display:flex}.pro-feature-item{color:var(--text-primary,#0f172a);align-items:flex-start;gap:10px;font-size:13px;line-height:1.4;display:flex}.pro-feature-item svg{color:#0f172a;flex-shrink:0;margin-top:2px}.pro-pricing-box{background:var(--bg-secondary,#f8fafc);border:1px solid var(--border-dim,#e2e8f0);border-radius:8px;justify-content:space-between;align-items:center;margin-top:4px;padding:14px 16px;display:flex}.pro-price-value{color:var(--text-primary,#0f172a);letter-spacing:-.01em;font-size:18px;font-weight:700}.pro-price-period{color:var(--text-muted,#64748b);font-size:13px;font-weight:400}.pro-price-note{color:var(--text-muted,#64748b);margin-top:2px;font-size:11px}.pro-modal-footer{color:var(--text-muted,#64748b);font-size:11px;line-height:1.4}.pro-downgrade-btn{color:#dc2626;cursor:pointer;background:0 0;border:none;padding:0;font-size:11px;text-decoration:underline}.pro-guarantee-text{color:var(--text-muted,#64748b);font-size:11px}.tutor-radar-notification{color:var(--accent,#3b82f6);background:#3b82f614;border:1px solid #3b82f640;border-radius:8px;align-items:center;gap:6px;margin-top:8px;padding:6px 10px;font-size:11px;font-weight:500;line-height:1.35;animation:.25s ease-out radarFadeIn;display:flex}.radar-radar-icon{color:var(--accent,#3b82f6);flex-shrink:0;justify-content:center;align-items:center;display:flex}@keyframes radarFadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.cb-wrapper{border-radius:var(--radius-md,16px);background:#fff;border:1px solid #00000014;flex-direction:column;flex:1;width:100%;height:100%;min-height:0;font-family:-apple-system,BlinkMacSystemFont,Inter,system-ui,sans-serif;display:flex;position:relative;overflow:hidden;box-shadow:0 4px 24px #0000000f,0 1px 2px #0000000a}.cb-topbar{-webkit-backdrop-filter:blur(24px)saturate(180%);backdrop-filter:blur(24px)saturate(180%);z-index:15;-webkit-user-select:none;user-select:none;background:#ffffffd9;border-bottom:1px solid #00000012;flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;height:44px;padding:0 14px;display:flex}.cb-topbar-left{flex-shrink:0;align-items:center;gap:8px;display:flex}.cb-brand-pill{align-items:center;gap:7px;display:flex}.cb-icon{color:#0071e3;justify-content:center;align-items:center;display:flex}.cb-title{letter-spacing:-.015em;color:#1d1d1f;font-size:13px;font-weight:600}.cb-page-controls{background:#0000000a;border:1px solid #0000000a;border-radius:8px;align-items:center;gap:2px;padding:2px;display:flex}.cb-page-btn{color:#515154;cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;width:24px;height:24px;padding:0;transition:all .15s;display:inline-flex}.cb-page-btn:hover:not(:disabled){color:#1d1d1f;background:#fff;box-shadow:0 1px 3px #00000014}.cb-page-btn:disabled{opacity:.3;cursor:not-allowed}.cb-page-indicator{color:#515154;font-variant-numeric:tabular-nums;-webkit-user-select:none;user-select:none;padding:0 8px;font-size:11px;font-weight:600}.cb-topbar-right{flex-shrink:0;align-items:center;gap:4px;display:flex}.cb-action-btn{color:#515154;cursor:pointer;background:0 0;border:none;border-radius:7px;justify-content:center;align-items:center;width:28px;height:28px;transition:all .15s;display:inline-flex}.cb-action-btn:hover:not(:disabled){color:#1d1d1f;background:#0000000d}.cb-action-btn:disabled{opacity:.3;cursor:not-allowed}.cb-divider-v{background:#00000014;width:1px;height:18px;margin:0 4px}.cb-new-page-btn{color:#1d1d1f;background:#0000000a;border-radius:7px;gap:4px;width:auto;height:26px;padding:0 9px;font-size:11px;font-weight:600}.cb-new-page-btn:hover{background:#00000012}.cb-grid-toggle{border-radius:7px;width:26px;height:26px}.cb-grid-active{color:#0071e3!important;background:#0071e31a!important}.cb-check-work{z-index:25;-webkit-backdrop-filter:blur(20px)saturate(180%);backdrop-filter:blur(20px)saturate(180%);letter-spacing:-.01em;color:#0071e3;cursor:pointer;background:#ffffffe0;border:1px solid #0071e338;border-radius:99px;align-items:center;gap:6px;padding:6px 14px;font-size:12px;font-weight:600;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex;position:absolute;top:54px;left:14px;box-shadow:0 4px 16px #0071e31f,0 1px 3px #0000000a}.cb-check-sparkle{background:linear-gradient(135deg,#0071e3 0%,#af52de 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:13px;line-height:1}.cb-check-work:hover{color:#fff;background:#0071e3;border-color:#0071e3;transform:translateY(-1px);box-shadow:0 6px 20px #0071e352}.cb-check-work:hover .cb-check-sparkle{-webkit-text-fill-color:#fff}.cb-check-work:active{transform:translateY(0)}.cb-canvas-area{background:#fafbfc;flex:1;width:100%;min-height:0;position:relative;overflow:hidden}.cb-canvas{width:100%;height:100%;display:block;position:absolute;inset:0}.cb-toolbar-dock{pointer-events:none;z-index:40;justify-content:center;display:flex;position:absolute;bottom:18px;left:0;right:0}.cb-toolbar-pill{pointer-events:auto;-webkit-backdrop-filter:blur(28px)saturate(190%);backdrop-filter:blur(28px)saturate(190%);background:#ffffffd9;border:1px solid #00000014;border-radius:18px;align-items:center;gap:4px;padding:5px 8px;display:flex;box-shadow:0 10px 32px #0000001f,0 2px 8px #0000000a,inset 0 1px #ffffffe6}.cb-tool-group{align-items:center;gap:3px;display:flex}.cb-tool-btn{color:#515154;cursor:pointer;background:0 0;border:none;border-radius:10px;justify-content:center;align-items:center;width:34px;height:34px;padding:0;transition:all .18s cubic-bezier(.16,1,.3,1);display:flex}.cb-tool-btn:hover{color:#1d1d1f;background:#0000000d;transform:translateY(-1px)}.cb-tool-btn:active{transform:scale(.95)}.cb-tool-btn.cb-tool-active{color:#fff;background:#0071e3;transform:translateY(-1px);box-shadow:0 2px 8px #0071e359}.cb-pill-divider{background:#00000014;width:1px;height:20px;margin:0 4px}.cb-color-group{align-items:center;gap:5px;padding:0 2px;display:flex}.cb-color-dot{cursor:pointer;border:1.5px solid #00000014;border-radius:50%;outline:none;width:20px;height:20px;padding:0;transition:transform .18s cubic-bezier(.16,1,.3,1),box-shadow .18s}.cb-color-dot:hover{transform:scale(1.18)}.cb-color-dot.cb-color-active{transform:scale(1.22);box-shadow:0 0 0 2px #fff,0 0 0 4px #0071e3,0 2px 8px #0003}.cb-width-segmented{background:#0000000a;border-radius:10px;align-items:center;gap:2px;padding:3px;display:flex}.cb-width-seg-btn{cursor:pointer;background:0 0;border:none;border-radius:7px;justify-content:center;align-items:center;width:28px;height:28px;padding:0;transition:all .15s;display:flex}.cb-width-seg-btn:hover{background:#fff9}.cb-width-seg-btn.cb-seg-active{background:#fff;box-shadow:0 1px 4px #0000001f}.cb-width-preview-bar{border-radius:99px;transition:background-color .15s}.cb-direct-text-wrap{pointer-events:auto;-webkit-user-select:text;user-select:text;z-index:60;display:inline-flex;position:absolute}.cb-direct-text-box{background:0 0;border:1.5px solid #0071e3;border-radius:2px;min-width:50px;max-width:650px;padding:0 4px;font-family:Inter,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;font-weight:500;display:inline-grid;position:relative}.cb-direct-text-box:after,.cb-direct-text-input{font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;color:inherit;white-space:pre-wrap;word-break:break-word;grid-area:1/1/2/2;margin:0;padding:0;overflow:hidden}.cb-direct-text-box:after{content:attr(data-value) " ";visibility:hidden;pointer-events:none;display:block}.cb-direct-text-input{resize:none;caret-color:#0071e3;background:0 0;border:none;outline:none;width:100%;height:100%;display:block}.cb-direct-text-input::placeholder{color:#86868b;opacity:.5;font-style:italic}.cb-sel-handle{pointer-events:none;background:#fff;border:1.5px solid #0071e3;border-radius:1px;width:6px;height:6px;position:absolute;box-shadow:0 1px 2px #0000001f}.cb-handle-tl{top:-4px;left:-4px}.cb-handle-tr{top:-4px;right:-4px}.cb-handle-bl{bottom:-4px;left:-4px}.cb-handle-br{bottom:-4px;right:-4px}.su-page{color:#1d1d1f;background:#fbfbfd;flex-direction:column;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}.su-header{justify-content:space-between;align-items:center;width:100%;max-width:840px;margin:0 auto;padding:24px 24px 0;display:flex}.su-logo{color:#1d1d1f;letter-spacing:-.01em;align-items:center;gap:8px;font-size:1.05rem;font-weight:600;text-decoration:none;display:inline-flex}.su-partner-trigger{color:#6e6e73;cursor:pointer;background:#fff;border:1px solid #e5e5ea;border-radius:980px;align-items:center;gap:6px;padding:6px 14px;font-size:.8rem;font-weight:500;transition:all .15s;display:inline-flex}.su-partner-trigger:hover{color:#1d1d1f;background:#f5f5f7;border-color:#86868b}.su-container{flex:1;width:100%;max-width:580px;margin:0 auto;padding:32px 20px 80px}.su-progress-bar{justify-content:center;align-items:center;gap:8px;margin-bottom:36px;display:flex}.su-progress-dash{background:#e5e5ea;border-radius:2px;width:44px;height:3px;transition:background .25s}.su-progress-dash.active{background:#1d1d1f}.su-card-surface{background:#fff;border:1px solid #e5e5ea;border-radius:16px;padding:36px 32px;box-shadow:0 2px 12px #00000008}@media (max-width:600px){.su-card-surface{padding:24px 18px}}.su-title{letter-spacing:-.03em;color:#1d1d1f;margin:0 0 8px;font-size:1.85rem;font-weight:700;line-height:1.2}.su-subtitle{color:#6e6e73;margin:0 0 24px;font-size:.925rem;line-height:1.45}.su-field{flex-direction:column;gap:6px;margin-bottom:18px;display:flex}.su-label{color:#1d1d1f;font-size:.85rem;font-weight:600}.su-input{color:#1d1d1f;background:#fff;border:1px solid #d2d2d7;border-radius:8px;outline:none;width:100%;padding:11px 14px;font-family:inherit;font-size:.95rem;transition:border-color .15s,box-shadow .15s}.su-input:focus{border-color:#1d1d1f;box-shadow:0 0 0 2px #1d1d1f1f}.su-track-list{flex-direction:column;gap:12px;margin-bottom:24px;display:flex}.su-track-item{cursor:pointer;text-align:left;background:#fff;border:1px solid #e5e5ea;border-radius:12px;flex-direction:column;gap:6px;padding:16px 18px;transition:all .15s;display:flex}.su-track-item:hover{background:#fafafc;border-color:#86868b}.su-track-item.selected{background:#fff;border-color:#1d1d1f;box-shadow:0 0 0 1.5px #1d1d1f}.su-track-top{justify-content:space-between;align-items:center;gap:8px;display:flex}.su-track-title{color:#1d1d1f;font-size:.95rem;font-weight:600}.su-track-badge{white-space:nowrap;letter-spacing:.01em;border-radius:4px;padding:2px 7px;font-size:.7rem;font-weight:600;line-height:1.3}.su-track-badge.active{color:#fff;background:#1d1d1f;border:1px solid #1d1d1f}.su-track-badge.upcoming{color:#6e6e73;background:#f5f5f7;border:1px solid #e5e5ea}.su-track-desc{color:#6e6e73;font-size:.825rem;line-height:1.4}.su-code-block{color:#f2f2f7;background:#1c1c1e;border:1px solid #2c2c2e;border-radius:8px;margin:14px 0 18px;padding:14px 16px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.85rem;line-height:1.5;overflow-x:auto}.su-quiz-options{flex-direction:column;gap:10px;margin-bottom:20px;display:flex}.su-quiz-option{cursor:pointer;color:#1d1d1f;text-align:left;background:#fff;border:1px solid #e5e5ea;border-radius:10px;align-items:flex-start;gap:10px;padding:13px 16px;font-size:.875rem;line-height:1.4;transition:all .15s;display:flex}.su-quiz-option:hover{background:#fafafc;border-color:#86868b}.su-quiz-option.selected{background:#fafafc;border-color:#1d1d1f;box-shadow:0 0 0 1px #1d1d1f}.su-quiz-option.answered-correct{color:#065f46;background:#f0fdf4;border-color:#059669}.su-quiz-option.answered-wrong{color:#991b1b;background:#fef2f2;border-color:#dc2626}.su-btn-row{justify-content:space-between;align-items:center;gap:14px;margin-top:28px;display:flex}.su-btn-primary{color:#fff;cursor:pointer;background:#1d1d1f;border:none;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:12px 24px;font-family:inherit;font-size:.925rem;font-weight:600;transition:background .15s,transform .1s,opacity .15s;display:inline-flex}.su-btn-primary:hover:not(:disabled){background:#3a3a3c;transform:translateY(-1px)}.su-btn-primary:active:not(:disabled){transform:scale(.98)}.su-btn-primary:disabled{opacity:.65;cursor:not-allowed}.su-btn-secondary{color:#6e6e73;cursor:pointer;background:0 0;border:none;border-radius:8px;padding:10px 16px;font-family:inherit;font-size:.9rem;font-weight:500;transition:color .15s}.su-btn-secondary:hover{color:#1d1d1f}.su-modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0006;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.su-modal-card{background:#fff;border:1px solid #e5e5ea;border-radius:16px;width:100%;max-width:480px;padding:28px 26px;position:relative;box-shadow:0 10px 30px #00000026}.su-modal-close{color:#86868b;cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;padding:4px;display:inline-flex;position:absolute;top:18px;right:18px}.su-modal-close:hover{color:#1d1d1f;background:#f5f5f7}select.su-select{appearance:none;cursor:pointer;background-color:#fff;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2386868b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-position:right 14px center;background-repeat:no-repeat;background-size:16px;padding-right:40px}.su-section-label{text-transform:uppercase;letter-spacing:.05em;color:#6e6e73;margin-bottom:8px;font-size:.775rem;font-weight:700;display:block}.su-active-card{cursor:pointer;background:#fff;border:1.5px solid #1d1d1f;border-radius:12px;padding:18px 20px;transition:all .15s;position:relative;box-shadow:0 2px 8px #0000000a}.su-active-card.selected{border-color:#1d1d1f;box-shadow:0 0 0 1.5px #1d1d1f,0 4px 12px #0000000f}.su-dropdown-wrap{margin-top:10px;position:relative}.pr-page{color:#1d1d1f;background:#f5f3ef;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Inter,system-ui,sans-serif;position:relative;overflow-x:hidden}.pr-hero{text-align:center;max-width:860px;margin:0 auto;padding:130px 24px 50px}.pr-eyebrow-pill{color:#1d1d1f;background:#fff;border:1px solid #00000014;border-radius:9999px;align-items:center;gap:6px;margin-bottom:20px;padding:6px 14px;font-size:.8rem;font-weight:600;display:inline-flex;box-shadow:0 2px 8px #00000008}.pr-eyebrow-dot{background:#34c759;border-radius:50%;width:7px;height:7px;animation:2s ease-in-out infinite wlPulse}.pr-title{letter-spacing:-.035em;color:#1d1d1f;margin:0 0 18px;font-size:clamp(2.3rem,5vw,3.6rem);font-weight:800;line-height:1.1}.pr-subtitle{color:#6e6e73;max-width:620px;margin:0 auto 36px;font-size:1.125rem;line-height:1.55}.pr-toggle-container{justify-content:center;align-items:center;gap:12px;margin-bottom:50px;display:flex}.pr-segmented-control{background:#0000000f;border:1px solid #0000000a;border-radius:9999px;padding:4px;display:inline-flex;position:relative}.pr-seg-btn{color:#6e6e73;cursor:pointer;background:0 0;border:none;border-radius:9999px;align-items:center;gap:8px;padding:8px 20px;font-family:inherit;font-size:.875rem;font-weight:500;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex}.pr-seg-btn:hover{color:#1d1d1f}.pr-seg-btn.active{color:#1d1d1f;background:#fff;font-weight:600;box-shadow:0 2px 8px #00000014,0 1px 2px #0000000a}.pr-save-badge{color:#2e7d32;letter-spacing:.02em;background:#e8f5e9;border:1px solid #2e7d3233;border-radius:9999px;padding:2px 8px;font-size:.72rem;font-weight:700}.pr-grid{grid-template-columns:repeat(3,1fr);align-items:stretch;gap:24px;max-width:1180px;margin:0 auto 80px;padding:0 24px;display:grid}.pr-card{background:#fff;border:1px solid #00000014;border-radius:20px;flex-direction:column;padding:38px 32px 36px;transition:transform .25s cubic-bezier(.16,1,.3,1),box-shadow .25s;display:flex;position:relative;box-shadow:0 4px 20px #00000008}.pr-card:hover{transform:translateY(-4px);box-shadow:0 14px 36px #00000012}.pr-card-featured{background:#fff;border:2px solid #1d1d1f;transform:translateY(-4px);box-shadow:0 12px 40px #00000017}.pr-card-featured:hover{transform:translateY(-8px);box-shadow:0 20px 50px #0000001f}.pr-badge-popular{color:#fff;text-transform:uppercase;letter-spacing:.06em;white-space:nowrap;background:#1d1d1f;border-radius:9999px;padding:5px 16px;font-size:.725rem;font-weight:700;position:absolute;top:-14px;left:50%;transform:translate(-50%);box-shadow:0 3px 10px #00000029}.pr-card-header{margin-bottom:24px}.pr-card-tier-name{color:#1d1d1f;letter-spacing:-.02em;margin:0 0 6px;font-size:1.25rem;font-weight:700}.pr-card-desc{color:#6e6e73;min-height:42px;margin:0;font-size:.875rem;line-height:1.45}.pr-price-block{border-bottom:1px solid #0000000f;margin-bottom:24px;padding-bottom:24px}.pr-price-row{align-items:baseline;gap:4px;display:flex}.pr-currency{color:#1d1d1f;font-size:1.6rem;font-weight:700}.pr-amount{letter-spacing:-.04em;color:#1d1d1f;font-size:3.2rem;font-weight:800;line-height:1}.pr-period{color:#86868b;margin-left:2px;font-size:.95rem;font-weight:500}.pr-billing-sub{color:#86868b;margin-top:6px;font-size:.8rem}.pr-billing-sub strong{color:#1d1d1f}.pr-cta-btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;width:100%;margin-bottom:28px;padding:13px 20px;font-family:inherit;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .18s cubic-bezier(.16,1,.3,1);display:inline-flex}.pr-cta-primary{color:#fff;background:#1d1d1f;box-shadow:0 4px 14px #1d1d1f33}.pr-cta-primary:hover{background:#000;transform:translateY(-1px);box-shadow:0 6px 18px #00000047}.pr-cta-secondary{color:#1d1d1f;background:#f5f5f7;border:1px solid #e5e5ea}.pr-cta-secondary:hover{color:#000;background:#e5e5ea;transform:translateY(-1px)}.pr-features-title{text-transform:uppercase;letter-spacing:.05em;color:#86868b;margin-bottom:16px;font-size:.775rem;font-weight:700}.pr-feature-list{flex-direction:column;flex:1;gap:12px;margin:0;padding:0;list-style:none;display:flex}.pr-feature-item{color:#1d1d1f;align-items:flex-start;gap:10px;font-size:.875rem;line-height:1.45;display:flex}.pr-feature-item svg{color:#34c759;flex-shrink:0;margin-top:3px}.pr-feature-item.muted{color:#86868b}.pr-feature-item.muted svg{color:#c7c7cc}.pr-trust-section{max-width:1180px;margin:0 auto 90px;padding:0 24px}.pr-trust-card{background:#fff;border:1px solid #0000000f;border-radius:20px;grid-template-columns:repeat(4,1fr);gap:24px;padding:32px 40px;display:grid;box-shadow:0 2px 12px #00000008}.pr-trust-item{flex-direction:column;gap:8px;display:flex}.pr-trust-icon-wrap{color:#1d1d1f;background:#f5f5f7;border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;margin-bottom:4px;display:flex}.pr-trust-title{color:#1d1d1f;margin:0;font-size:.95rem;font-weight:700}.pr-trust-desc{color:#6e6e73;margin:0;font-size:.825rem;line-height:1.45}.pr-compare-section{max-width:1180px;margin:0 auto 90px;padding:0 24px}.pr-section-heading{text-align:center;margin-bottom:40px}.pr-section-title{letter-spacing:-.03em;color:#1d1d1f;margin:0 0 10px;font-size:2rem;font-weight:800}.pr-section-subtitle{color:#6e6e73;margin:0;font-size:1rem}.pr-table-surface{background:#fff;border:1px solid #00000014;border-radius:20px;overflow:hidden;box-shadow:0 4px 20px #00000008}.pr-compare-table{border-collapse:collapse;text-align:left;width:100%}.pr-compare-table th,.pr-compare-table td{border-bottom:1px solid #0000000f;padding:18px 24px;font-size:.88rem}.pr-compare-table th{color:#1d1d1f;z-index:10;background:#fafafc;font-weight:700;position:sticky;top:64px}.pr-col-feature{width:40%}.pr-col-tier{text-align:center;width:20%}.pr-compare-table td.pr-cell-tier{text-align:center}.pr-category-row td{text-transform:uppercase;letter-spacing:.05em;color:#64748b;background:#f8fafc;padding-top:14px;padding-bottom:14px;font-size:.775rem;font-weight:700}.pr-check{color:#34c759;font-size:1.1rem;font-weight:700}.pr-dash{color:#c7c7cc}.pr-faq-section{max-width:820px;margin:0 auto 100px;padding:0 24px}.pr-faq-list{flex-direction:column;gap:12px;display:flex}.pr-faq-item{background:#fff;border:1px solid #00000012;border-radius:14px;transition:all .2s;overflow:hidden}.pr-faq-item:hover{border-color:#00000026}.pr-faq-question{color:#1d1d1f;cursor:pointer;text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;width:100%;padding:20px 24px;font-family:inherit;font-size:1rem;font-weight:600;display:flex}.pr-faq-icon{color:#86868b;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;transition:transform .2s;display:flex}.pr-faq-item.open .pr-faq-icon{color:#1d1d1f;transform:rotate(45deg)}.pr-faq-answer{color:#6e6e73;padding:0 24px 22px;font-size:.9rem;line-height:1.6}.pr-faq-answer strong{color:#1d1d1f}.pr-bottom-cta{text-align:center;color:#fff;background-color:#1a3a2a;background-image:linear-gradient(#ffffff08 1px,#0000 1px),linear-gradient(90deg,#ffffff08 1px,#0000 1px);background-position:0 0;background-repeat:repeat;background-size:24px 24px;background-attachment:scroll;background-origin:padding-box;background-clip:border-box;border-radius:24px;margin:0 24px 80px;padding:80px 24px;position:relative;overflow:hidden}.pr-bottom-inner{z-index:2;max-width:600px;margin:0 auto;position:relative}.pr-bottom-title{letter-spacing:-.03em;margin:0 0 16px;font-size:clamp(2rem,4vw,2.8rem);font-weight:800;line-height:1.15}.pr-bottom-sub{color:#ffffffbf;margin:0 auto 36px;font-size:1.05rem;line-height:1.6}.pr-bottom-btn{color:#1a3a2a;background:#fff;border-radius:8px;align-items:center;gap:8px;padding:14px 36px;font-size:.95rem;font-weight:700;text-decoration:none;transition:transform .15s,background .15s;display:inline-flex;box-shadow:0 4px 20px #0003}.pr-bottom-btn:hover{background:#f5f3ef;transform:translateY(-2px)}@media (max-width:960px){.pr-grid{grid-template-columns:1fr;max-width:520px}.pr-card-featured{transform:none}.pr-trust-card{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.pr-trust-card{grid-template-columns:1fr;padding:24px}.pr-card{padding:28px 22px}.pr-compare-table th,.pr-compare-table td{padding:12px 14px;font-size:.8rem}.pr-bottom-cta{margin:0 12px 60px;padding:60px 18px}}
@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(../media/KaTeX_AMS-Regular.3dqqgop8d9q74.woff2)format("woff2"),url(../media/KaTeX_AMS-Regular.3s3485bbs_y9t.woff)format("woff"),url(../media/KaTeX_AMS-Regular.06540o8ttgt08.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(../media/KaTeX_Caligraphic-Bold.0x398dszol8ix.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Bold.0i0ys3pk95qm_.woff)format("woff"),url(../media/KaTeX_Caligraphic-Bold.071y7fj7dknco.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(../media/KaTeX_Caligraphic-Regular.3ittfn7d21b9w.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Regular.3-a7ahrnv-1p0.woff)format("woff"),url(../media/KaTeX_Caligraphic-Regular.2a29kziuqmcwj.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(../media/KaTeX_Fraktur-Bold.3rq09ohrtely_.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Bold.1m6-2-v71aefh.woff)format("woff"),url(../media/KaTeX_Fraktur-Bold.2c272neyw5p5h.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(../media/KaTeX_Fraktur-Regular.1jvgec053-2og.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Regular.1pa447q_ni5m2.woff)format("woff"),url(../media/KaTeX_Fraktur-Regular.0_16ta522mcvb.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(../media/KaTeX_Main-Bold.22wkahef0u3fd.woff2)format("woff2"),url(../media/KaTeX_Main-Bold.1fyzqvxw_mkks.woff)format("woff"),url(../media/KaTeX_Main-Bold.3q46h05c4j0cw.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(../media/KaTeX_Main-BoldItalic.40drhxm0mwrzz.woff2)format("woff2"),url(../media/KaTeX_Main-BoldItalic.0g_mm5w89az4z.woff)format("woff"),url(../media/KaTeX_Main-BoldItalic.2r19jqj9qb5v7.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(../media/KaTeX_Main-Italic.1ck6crdmp78cu.woff2)format("woff2"),url(../media/KaTeX_Main-Italic.3h-lyz6-tj-5j.woff)format("woff"),url(../media/KaTeX_Main-Italic.07vrczmwpvimc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(../media/KaTeX_Main-Regular.29zz7337tzymc.woff2)format("woff2"),url(../media/KaTeX_Main-Regular.0r86ux5c2_9jc.woff)format("woff"),url(../media/KaTeX_Main-Regular.0cm4nk2aib81i.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(../media/KaTeX_Math-BoldItalic.0u_6s571--hh0.woff2)format("woff2"),url(../media/KaTeX_Math-BoldItalic.1-f92ydojzao_.woff)format("woff"),url(../media/KaTeX_Math-BoldItalic.0m2qm2_orz99k.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(../media/KaTeX_Math-Italic.18dmviy-uianu.woff2)format("woff2"),url(../media/KaTeX_Math-Italic.2d-roszuwfrpn.woff)format("woff"),url(../media/KaTeX_Math-Italic.1vw7gcigzv33_.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(../media/KaTeX_SansSerif-Bold.19n5ohjzvq40z.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Bold.1ad0dh55v7-4h.woff)format("woff"),url(../media/KaTeX_SansSerif-Bold.3ojskmd7zv_b8.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(../media/KaTeX_SansSerif-Italic.38w085lqrghwm.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Italic.0_21g6aey40vy.woff)format("woff"),url(../media/KaTeX_SansSerif-Italic.0abd80e_ako5h.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(../media/KaTeX_SansSerif-Regular.3w8wtfek3qsk6.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Regular.0v2olaztuqa1v.woff)format("woff"),url(../media/KaTeX_SansSerif-Regular.0xkeldfcfvj58.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(../media/KaTeX_Script-Regular.10h737unm2jp7.woff2)format("woff2"),url(../media/KaTeX_Script-Regular.2m7-0wua2lvnq.woff)format("woff"),url(../media/KaTeX_Script-Regular.1hw1d7omwtnoy.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size1-Regular.3xype_vsmmjgw.woff2)format("woff2"),url(../media/KaTeX_Size1-Regular.3aliq3yd-ja9b.woff)format("woff"),url(../media/KaTeX_Size1-Regular.44z_qgcc9t0a_.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size2-Regular.2-wakugslvf3a.woff2)format("woff2"),url(../media/KaTeX_Size2-Regular.3u0df62zf5guy.woff)format("woff"),url(../media/KaTeX_Size2-Regular.3eprswoc9v3fh.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size3-Regular.1nfuh3l6nzhjv.woff2)format("woff2"),url(../media/KaTeX_Size3-Regular.3n7wm08wz2r2g.woff)format("woff"),url(../media/KaTeX_Size3-Regular.2kp2izz6g7r-7.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size4-Regular.13pyt7zi482pb.woff2)format("woff2"),url(../media/KaTeX_Size4-Regular.37jvrh2wknf5u.woff)format("woff"),url(../media/KaTeX_Size4-Regular.2ltjhs9xhaefy.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(../media/KaTeX_Typewriter-Regular.2vfnlegjq9l42.woff2)format("woff2"),url(../media/KaTeX_Typewriter-Regular.0xi5kyeeydv4z.woff)format("woff"),url(../media/KaTeX_Typewriter-Regular.34aedpl-_o3h3.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.9"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}