/* Slatefront workspace: shared product tokens and creation surface. */
:root {
  --sf-bg: #111217; --sf-surface: #1b1c24; --sf-ink: #eeeef4;
  --sf-muted: #a0a1b3; --sf-primary: #afa0f6; --sf-primary-hover: #c0b4fc;
  --sf-button: #ffdae7; --sf-button-hover: #ffe6ee;
  --sf-tint: #2d283e; --sf-border: #30313e; --sf-danger: #f4a2b1;
  --sf-success: #83d4ba; --sf-radius: 14px; --sf-rail: 76px;
  --sf-font: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; scrollbar-color: #464755 var(--sf-bg); scroll-padding-top: 90px; }
body { margin: 0; font-family: var(--sf-font); font-size: 14px; line-height: 1.6; color: var(--sf-ink); background: var(--sf-bg); }
.sf-creation { isolation: isolate; }
.sf-creation::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; background: url("../images/slatefront-background.be464ebee350.png") center / cover no-repeat; opacity: .3; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
button, a { touch-action: manipulation; }
button { cursor: pointer; }
button, input, select, textarea { color: inherit; }
button:disabled { cursor: not-allowed; opacity: .55; }
a { color: inherit; text-decoration: none; text-underline-offset: 4px; }
a:hover { text-decoration-color: var(--sf-primary); }
h1, h2, h3, p { margin: 0; }
svg { flex-shrink: 0; }
::selection { color: #30226b; background: #ddd5fa; }
:focus-visible { outline: 3px solid #8777dc; outline-offset: 4px; }
input, textarea { caret-color: var(--sf-primary); }
::placeholder { color: #9899ad; opacity: 1; }
[hidden] { display: none !important; }
.sf-icon-definitions { position: absolute; width: 0; height: 0; overflow: hidden; }
.sf-icon { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.sf-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.sf-skip-link { position: fixed; top: 10px; left: 12px; padding: 10px 18px; background: var(--sf-button); color: #211b36; z-index: 100; transform: translateY(-150%); }
.sf-skip-link:focus { transform: translateY(0); }
.sf-sidebar { width: var(--sf-rail); position: fixed; inset: 0 auto 0 0; display: flex; flex-direction: column; padding: 31px 18px 20px; background: #101116; border-right: 1px solid var(--sf-border); z-index: 40; }
.sf-brand { display: flex; align-items: center; gap: 9px; margin: 0 10px 43px; font-size: 23px; letter-spacing: -.035em; font-weight: 800; line-height: 1.2; }
.sf-brand-mark { width: 28px; height: 28px; object-fit: contain; flex-shrink: 0; }
.sf-brand-dot { color: var(--sf-primary); }
.sf-new { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 44px; padding: 10px; background: var(--sf-button); color: #211b36; font-size: 12px; font-weight: 700; border-radius: 8px; }
.sf-new:hover { background: var(--sf-button-hover); }
.sf-navigation { display: grid; gap: 5px; margin-top: 24px; }
.sf-navigation a { display: flex; gap: 12px; align-items: center; padding: 11px 13px; font-size: 12px; color: var(--sf-muted); border-radius: 8px; font-weight: 600; }
.sf-navigation a:hover { background: #252630; color: var(--sf-ink); }
.sf-navigation a[aria-current] { background: #2d283e; color: #c3b7f7; }
.sf-sidebar-note { margin: auto 11px 40px; padding-top: 50px; }
.sf-sidebar-note > .sf-icon { color: #9d96b3; width: 24px; height: 24px; margin-bottom: 12px; }
.sf-sidebar-note p { line-height: 1.7; font-size: 12px; color: var(--sf-muted); }
.sf-sidebar-note strong { color: #c2bdcf; font-weight: 600; }
.sf-sidebar-note > span { display: block; margin-top: 12px; font-size: 11px; color: var(--sf-muted); }
.sf-sidebar-bottom { border-top: 1px solid #30313e; padding-top: 17px; }
.sf-credit-row { display: flex; justify-content: space-between; align-items: center; padding: 0 6px 17px; font-size: 11px; color: var(--sf-muted); }
.sf-credit-row strong { font-variant-numeric: tabular-nums; color: var(--sf-ink); font-size: 12px; }
.sf-user-row { display: flex; align-items: center; gap: 9px; padding: 12px 4px 0; border-top: 1px solid var(--sf-border); }
.sf-user-row > div { min-width: 0; }
.sf-user-row strong, .sf-user-row span:not(.sf-avatar) { display: block; overflow-wrap: anywhere; }
.sf-user-row strong { font-size: 11px; font-weight: 700; }
.sf-user-row span:not(.sf-avatar) { color: var(--sf-muted); font-size: 11px; }
.sf-avatar { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 33px; height: 33px; background: #302a42; color: #c3b7f7; border-radius: 50%; font-size: 12px; font-weight: 750; }
.sf-page { margin-left: var(--sf-rail); min-height: 100vh; }
.sf-topbar { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 0 42px; border-bottom: 1px solid var(--sf-border); background: var(--sf-bg); }
.sf-topbar-title { display: flex; align-items: center; gap: 12px; font-size: 12px; font-weight: 650; }
.sf-topbar-actions { display: flex; align-items: center; gap: 21px; }
.sf-credit-balance { font-size: 11px; font-weight: 700; font-variant-numeric: tabular-nums; }
.sf-credit-balance > span { font-weight: 500; color: var(--sf-muted); margin-left: 3px; }
.sf-signin { display: flex; align-items: center; gap: 12px; padding: 8px 0 8px 22px; font-size: 12px; font-weight: 700; border-left: 1px solid var(--sf-border); }
.sf-signin:hover { color: var(--sf-primary); }
.sf-icon-button { padding: 9px; min-width: 38px; min-height: 38px; border: 0; border-radius: 8px; background: transparent; display: inline-flex; align-items: center; justify-content: center; }
.sf-icon-button:hover { background: var(--sf-tint); }
.sf-menu-toggle, .sf-close-navigation { display: none; }
.sf-main { max-width: 1320px; margin: 0 auto; padding: 48px 42px 22px; }
.sf-workspace-intro { margin-bottom: 31px; }
.sf-workspace-intro h1 { font-size: 36px; font-weight: 750; letter-spacing: -.035em; line-height: 1.25; text-wrap: balance; }
.sf-workspace-intro h1 span { color: var(--sf-primary); }
.sf-workspace-intro p { font-size: 13px; color: var(--sf-muted); margin-top: 11px; }
.sf-creation-layout { display: grid; grid-template-columns: minmax(0, 1.48fr) minmax(270px, 1fr); gap: 24px; align-items: stretch; }
.sf-create-panel { min-width: 0; display: flex; }
.input-container { width: 100%; border: 1px solid var(--sf-border); border-radius: var(--sf-radius); background: var(--sf-surface); display: flex; flex-direction: column; overflow: hidden; }
.sf-composer-heading { padding: 25px 25px 0; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.sf-composer-heading h2 { font-size: 15px; font-weight: 750; letter-spacing: -.015em; }
.sf-step-hint { font-size: 11px; color: var(--sf-muted); }
textarea[name=math_topic] { width: 100%; min-height: 152px; flex: 1; border: 0; background: transparent; padding: 20px 25px 15px; resize: vertical; font-size: 14px; line-height: 1.9; }
textarea[name=math_topic]:focus { outline: none; background: #20202a; }
.input-container:focus-within { border-color: #8572c4; }
.sf-composer-tools { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 21px 19px; }
.sf-attachment-actions { display: flex; gap: 8px; }
.sf-tool-button { background: #24252f; border: 1px solid var(--sf-border); border-radius: 6px; font-size: 12px; font-weight: 600; padding: 7px 9px; display: flex; align-items: center; gap: 7px; min-height: 36px; }
.sf-tool-button .sf-icon { width: 15px; height: 15px; }
.sf-tool-button:hover { background: var(--sf-tint); color: var(--sf-primary); }
.sf-prompt-hint { font-size: 11px; color: var(--sf-muted); }
.sf-generation-options { padding: 17px 25px; border-top: 1px solid var(--sf-border); background: #191a22; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 17px; }
.sf-output-settings { display: flex; gap: 20px; }
.sf-output-settings label { display: grid; gap: 5px; color: var(--sf-muted); font-size: 11px; }
.sf-output-settings select { padding: 5px 24px 5px 0; border: 0; border-radius: 3px; background: transparent; color: var(--sf-ink); font-size: 11px; font-weight: 650; cursor: pointer; min-height: 30px; }
.sf-mode-settings { display: grid; gap: 10px; }
.sf-check-option { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 12px; color: #c4c3d3; }
.sf-check-option input { margin: 0; accent-color: var(--sf-primary); width: 14px; height: 14px; cursor: pointer; }
.sf-composer-footer { margin-top: auto; padding: 17px 21px; border-top: 1px solid var(--sf-border); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.sf-composer-footer > span { display: flex; align-items: center; gap: 7px; font-size: 11px; color: var(--sf-muted); }
.sf-composer-footer > span .sf-icon { width: 13px; height: 13px; }
.sf-primary, .sf-secondary { display: inline-flex; align-items: center; justify-content: center; gap: 11px; min-height: 42px; padding: 10px 17px; border: 1px solid transparent; border-radius: 7px; font-size: 11px; font-weight: 700; transition: background-color 160ms, color 160ms; }
.sf-primary { background: var(--sf-button); color: #211b36; }
.sf-primary:hover:not(:disabled) { background: var(--sf-button-hover); }
.sf-primary .sf-icon { width: 16px; height: 16px; }
.sf-secondary { background: var(--sf-surface); border-color: var(--sf-border); }
.sf-secondary:hover { background: var(--sf-tint); }
.sf-form-feedback { font-size: 12px; color: var(--sf-danger); background: #38212a; padding: 10px 24px; }
.sf-attachment-preview { display: flex; align-items: center; gap: 12px; margin: 0 24px 12px; padding: 10px; background: var(--sf-bg); border-radius: 8px; }
.sf-attachment-preview img { width: 44px; height: 44px; border-radius: 5px; object-fit: cover; }
.sf-attachment-preview > div { min-width: 0; flex: 1; }
.sf-attachment-preview strong { display: block; font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sf-attachment-preview span { display: block; font-size: 11px; color: var(--sf-muted); }
.sf-feature { background: #232638; color: #f4f2fc; border-radius: var(--sf-radius); overflow: hidden; display: flex; flex-direction: column; min-width: 0; }
.sf-feature-top { display: flex; align-items: center; justify-content: space-between; padding: 23px 23px 0; color: #c0c2d3; font-size: 11px; }
.sf-feature-top .sf-icon { width: 15px; height: 15px; }
.sf-math-demo { flex: 1; padding: 8px 14px 18px; text-align: center; }
.sf-math-demo > svg { display: block; width: 100%; height: 203px; overflow: visible; }
.sf-math-demo svg text { font-family: var(--sf-font); font-size: 19px; text-anchor: middle; font-weight: 500; }
.sf-math-demo .sf-side-label { font-size: 11px; }
.sf-demo-square { transition: opacity 220ms, filter 220ms; }
.sf-math-demo[data-highlight] .sf-demo-square { opacity: .25; }
.sf-math-demo[data-highlight=a] [data-square=a], .sf-math-demo[data-highlight=b] [data-square=b], .sf-math-demo[data-highlight=c] [data-square=c] { opacity: 1; }
.sf-equation { display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 17px; }
.sf-equation button { padding: 1px 9px; min-height: 32px; background: transparent; border: 1px solid transparent; border-radius: 6px; font-size: 21px; }
.sf-equation [data-area=a] { color: #d3c9ff; }.sf-equation [data-area=b] { color: #a5e0d7; }.sf-equation [data-area=c] { color: #efd9ad; }
.sf-equation button:hover, .sf-equation button[aria-pressed=true] { background: #373a50; border-color: #555872; }
.sf-demo-caption { margin-top: 7px; color: #c0c2d3; font-size: 11px; }
.sf-feature-bottom { border-top: 1px solid #3c3e51; padding: 19px 23px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.sf-feature-bottom h2 { font-size: 12px; font-weight: 600; }
.sf-feature-prompt { display: inline-flex; align-items: center; gap: 9px; padding: 5px 0; background: transparent; color: #d3c9ff; border: 0; font-size: 11px; font-weight: 650; }
.sf-feature-prompt .sf-icon { width: 14px; height: 14px; }
.sf-feature-prompt:hover { color: #fff; }
.sf-starters { margin-top: 37px; }
.sf-section-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.sf-section-header h2 { font-size: 16px; font-weight: 750; letter-spacing: -.02em; }
.sf-section-header p { font-size: 11px; margin-top: 4px; color: var(--sf-muted); }
.sf-section-header > span { font-size: 11px; color: var(--sf-muted); }
.sf-starter-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--sf-border); border-bottom: 1px solid var(--sf-border); }
.sf-starter { display: flex; flex-wrap: wrap; text-align: left; align-items: center; gap: 12px; padding: 22px 18px; border: 0; border-right: 1px solid var(--sf-border); background: transparent; }
.sf-starter:first-child { padding-left: 0; }.sf-starter:last-child { border-right: 0; padding-right: 0; }
.sf-starter:hover { background: #20212c; }
.sf-starter-diagram { width: 56px; height: 44px; color: #7669bc; }
.sf-starter:nth-child(2) .sf-starter-diagram { color: #438b83; }.sf-starter:nth-child(3) .sf-starter-diagram { color: #9b773e; }
.sf-starter > span { flex: 1; min-width: 145px; }
.sf-starter strong { display: block; font-size: 11px; font-weight: 700; line-height: 1.65; }
.sf-starter > span > span { display: block; color: var(--sf-muted); font-size: 11px; margin-top: 4px; line-height: 1.6; }
.sf-starter-arrow { width: 14px; height: 14px; color: var(--sf-muted); }
.sf-workspace-footer { display: flex; justify-content: space-between; gap: 20px; margin-top: 37px; color: var(--sf-muted); font-size: 11px; }
.canvas-container { margin-top: 26px; padding: 24px; background: var(--sf-surface); border: 1px solid var(--sf-border); border-radius: var(--sf-radius); }
.canvas-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 16px; }
.canvas-toolbar label { display: inline-flex; align-items: center; gap: 7px; font-size: 11px; }
.canvas-toolbar input[type=color] { width: 32px; height: 32px; border: 1px solid var(--sf-border); background: transparent; padding: 3px; }
.canvas-toolbar input[type=range] { width: 70px; accent-color: var(--sf-primary); }
.canvas-toolbar .sf-primary { margin-left: auto; }
.canvas-wrapper { position: relative; height: 300px; border: 1px solid var(--sf-border); overflow: hidden; border-radius: 8px; background: #fff; touch-action: none; }
.drawing-status { position: absolute; pointer-events: none; right: 12px; bottom: 10px; font-size: 11px; color: #545869; background: #fff; padding: 2px 6px; }
#generation-results { outline: none; }
.error-message { color: var(--sf-danger); border: 1px solid #613543; background: #2d1c24; border-radius: 8px; padding: 14px 18px; font-size: 13px; margin: 18px 0; overflow-wrap: anywhere; }
.input-container > .error-message { margin: 0; border-radius: 0; }
.explanation-container, .video-container, .quiz-container { margin-top: 26px; background: var(--sf-surface); border: 1px solid var(--sf-border); border-radius: var(--sf-radius); overflow: hidden; }
.explanation-header, .video-header, .quiz-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 24px; border-bottom: 1px solid var(--sf-border); }
.explanation-title, .video-title, .quiz-title { display: flex; gap: 9px; align-items: center; font-size: 15px; font-weight: 700; }
.explanation-actions, .video-actions, .quiz-actions { display: flex; gap: 9px; }
.explanation-button, .video-button, .quiz-button { display: flex; gap: 7px; align-items: center; padding: 8px 11px; min-height: 36px; background: var(--sf-bg); border: 1px solid var(--sf-border); border-radius: 6px; font-size: 11px; font-weight: 600; }
.explanation-button:hover, .video-button:hover, .quiz-button:hover { background: var(--sf-tint); }
.explanation-button svg { width: 16px; height: 16px; }
.explanation-content { padding: 24px; font-size: 14px; line-height: 1.9; overflow-wrap: anywhere; }
.video-wrapper { position: relative; background: #171a27; }
.video-wrapper video { width: 100%; max-height: 620px; display: block; }
.video-quality { position: absolute; right: 15px; top: 15px; display: flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 5px; background: #232638; color: #fff; font-size: 11px; }
.video-stats { display: flex; gap: 20px; padding: 12px 24px; color: var(--sf-muted); font-size: 11px; }.video-stat { display: flex; align-items: center; gap: 5px; }
.quiz-content { padding: 24px; }.quiz-intro { color: var(--sf-muted); font-size: 13px; margin-bottom: 20px; }.quiz-question { border-bottom: 1px solid var(--sf-border); padding: 0 0 20px; margin-bottom: 20px; }.question-text { font-weight: 650; font-size: 14px; margin-bottom: 12px; }.question-options { display: grid; gap: 8px; }.option label { display: flex; align-items: center; gap: 9px; padding: 10px 12px; background: var(--sf-bg); border-radius: 6px; cursor: pointer; font-size: 13px; }.option input { accent-color: var(--sf-primary); }.question-feedback { font-size: 12px; margin-top: 10px; }.question-feedback.correct, .quiz-results { color: var(--sf-success); }.question-feedback.incorrect { color: var(--sf-danger); }#quizResults { margin-top: 15px; font-size: 13px; }
.loading-popup { display: none; margin-top: 26px; padding: 24px; border: 1px solid var(--sf-border); border-radius: var(--sf-radius); background: var(--sf-surface); text-align: center; }.loading-popup.show { display: block; }.loading-text { font-size: 15px; font-weight: 700; }.progress-container { height: 6px; max-width: 480px; margin: 20px auto 10px; background: var(--sf-tint); border-radius: 4px; overflow: hidden; }.progress-bar { height: 100%; width: 0; background: var(--sf-primary);  }.progress-percentage { font-size: 11px; color: var(--sf-muted); font-variant-numeric: tabular-nums; }.game-container { display: none; margin: 20px auto 0; max-width: 330px; }.game-container.show { display: block; }.game-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }.game-header h3 { font-size: 11px; }.game-score { font-size: 11px; }.game-container canvas { max-width: 100%; height: auto; border-radius: 6px; }.game-controls button { border: 1px solid var(--sf-border); border-radius: 6px; background: var(--sf-bg); padding: 8px 14px; font-size: 11px; margin: 10px 0; }.game-instructions { font-size: 11px; color: var(--sf-muted); }
.shadcn-notification-dropdown { position: absolute; width: min(360px, calc(100vw - 24px)); z-index: 60; background: var(--sf-surface); border: 1px solid var(--sf-border); border-radius: 12px; overflow: hidden; }.shadcn-notification-header { display: flex; justify-content: space-between; gap: 10px; padding: 16px; border-bottom: 1px solid var(--sf-border); }.shadcn-notification-header h3 { font-size: 13px; }.shadcn-notification-mark-all { background: transparent; border: 0; color: var(--sf-primary); font-size: 11px; }.shadcn-notification-list { max-height: 360px; overflow-y: auto; }.shadcn-notification-item { padding: 16px; border-bottom: 1px solid var(--sf-border); }.shadcn-notification-title { font-size: 12px; margin: 0 0 5px; }.shadcn-notification-message { font-size: 12px; color: var(--sf-muted); }.shadcn-notification-time { font-size: 11px; color: var(--sf-muted); }.shadcn-notification-empty { padding: 32px; text-align: center; color: var(--sf-muted); font-size: 12px; }.shadcn-notification-badge { position: absolute; border-radius: 10px; padding: 0 4px; min-width: 14px; background: var(--sf-primary); color: #211b36; font-size: 10px; transform: translate(9px,-10px); }
@media (min-width: 1500px) { .sf-main { padding-top: 60px; }.sf-creation-layout { gap: 28px; }textarea[name=math_topic] { min-height: 190px; }.sf-math-demo > svg { height: 238px; } }
@media (max-width: 1199px) { :root { --sf-rail: 76px; }.sf-sidebar { padding-inline: 13px; }.sf-brand { font-size: 21px; }.sf-main { padding: 36px 28px 22px; }.sf-topbar { padding-inline: 28px; }.sf-creation-layout { gap: 18px; grid-template-columns: minmax(0,1.3fr) minmax(245px,1fr); }.sf-composer-heading { padding-inline: 20px; }.sf-step-hint { display: none; }.sf-generation-options { padding-inline: 20px; }.sf-output-settings { gap: 14px; }.sf-mode-settings { display: flex; gap: 18px; }.sf-composer-footer > span { display: none; }.sf-composer-footer { justify-content: flex-end; }.sf-prompt-hint { display: none; }.sf-starter { padding-inline: 14px; }.sf-starter-arrow { display: none; }.sf-starter > span { min-width: 130px; }.sf-starter-diagram { width: 45px; } }
@media (max-width: 900px) { .sf-creation-layout { grid-template-columns: 1fr; }.sf-feature { display: grid; grid-template-columns: 1fr 1fr; }.sf-feature-top { grid-column: 1; align-items: start; padding-top: 24px; }.sf-feature-bottom { grid-column: 1; grid-row: 2; border: 0; display: block; padding-top: 10px; align-self: end; }.sf-feature-bottom h2 { font-size: 16px; margin-bottom: 12px; }.sf-math-demo { grid-column: 2; grid-row: 1 / 3; padding-top: 14px; }.sf-math-demo > svg { height: 155px; }.sf-demo-caption { font-size: 10px; }.sf-feature-prompt { font-size: 12px; }.sf-generation-options { flex-wrap: nowrap; }.sf-mode-settings { display: grid; }.sf-composer-footer > span { display: flex; }.sf-composer-footer { justify-content: space-between; }.sf-starter-list { grid-template-columns: 1fr; }.sf-starter { padding: 17px 0; border-right: 0; border-bottom: 1px solid var(--sf-border); flex-wrap: nowrap; }.sf-starter:last-child { border-bottom: 0; }.sf-starter > span { min-width: 0; }.sf-starter-arrow { display: block; }.sf-section-header > span { display: none; }.sf-workspace-intro h1 { font-size: 32px; } }
@media (max-width: 700px) { .sf-sidebar { transform: translateX(-100%); width: 240px; transition: transform 200ms ease-out; padding-top: 26px; }.sf-sidebar.is-open { transform: translateX(0); }.sf-page { margin-left: 0; }.sf-menu-toggle, .sf-close-navigation { display: inline-flex; }.sf-close-navigation { position: absolute; right: 10px; top: 64px; }.sf-navigation-backdrop { position: fixed; inset: 0; background: rgb(25 27 43 / .38); border: 0; z-index: 35; }.sf-topbar { height: 66px; padding: 0 18px; gap: 10px; }.sf-topbar-title { gap: 5px; font-size: 11px; }.sf-topbar-actions { gap: 13px; }.sf-credit-balance { font-size: 11px; }.sf-signin { padding-left: 13px; font-size: 11px; gap: 7px; }.sf-signin .sf-icon { width: 15px; }.sf-main { padding: 30px 20px 22px; }.sf-workspace-intro { margin-bottom: 24px; }.sf-workspace-intro h1 { font-size: 30px; }.sf-workspace-intro p { font-size: 12px; max-width: 29ch; line-height: 1.8; }.sf-composer-heading { padding: 21px 19px 0; }.sf-composer-heading h2 { font-size: 14px; }textarea[name=math_topic] { padding: 16px 19px; min-height: 162px; font-size: 13px; }.sf-composer-tools { padding-inline: 17px; }.sf-generation-options { padding: 16px 19px; gap: 12px; }.sf-output-settings { gap: 13px; }.sf-output-settings select { padding-right: 12px; }.sf-mode-settings { gap: 14px; }.sf-composer-footer { padding: 15px 17px; }.sf-composer-footer > span { display: none; }.sf-composer-footer .sf-primary { width: 100%; min-height: 46px; font-size: 12px; }.sf-feature-top { padding: 23px 18px 0; font-size: 11px; gap: 7px; }.sf-feature-top .sf-icon { display: none; }.sf-feature-bottom { padding: 10px 18px 22px; }.sf-feature-bottom h2 { font-size: 15px; }.sf-math-demo { padding-inline: 4px; }.sf-math-demo > svg { height: 145px; }.sf-equation { gap: 1px; font-size: 13px; }.sf-equation button { font-size: 18px; padding-inline: 5px; }.sf-demo-caption { padding-inline: 5px; font-size: 10px; min-height: 30px; }.sf-starters { margin-top: 30px; }.sf-starter { gap: 16px; padding-block: 18px; }.sf-starter-diagram { width: 52px; }.sf-starter strong { font-size: 12px; }.sf-starter > span > span { font-size: 11px; }.sf-workspace-footer { font-size: 10px; gap: 15px; margin-top: 28px; }.canvas-container { padding: 18px; }.canvas-toolbar { gap: 8px; }.canvas-toolbar .sf-primary { margin-left: 0; }.canvas-wrapper { height: 260px; }.explanation-header, .video-header { flex-wrap: wrap; padding: 17px; }.explanation-content, .quiz-content { padding: 18px; }.video-stats { padding-inline: 18px; }.sf-credit-row { font-size: 11px; }.sf-sidebar-note { margin-bottom: 30px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }*, *::before, *::after { transition: none !important; animation: none !important; } }

/* Centered creation and an intentionally collapsed navigation rail. */
.sf-menu-toggle { display: inline-flex; }
.sf-sidebar { padding: 29px 13px 20px; align-items: center; }
.sf-brand { margin: 0 0 42px; justify-content: center; }
.sf-brand-name, .sf-nav-label, .sf-sidebar-note, .sf-sidebar-bottom .sf-credit-row, .sf-user-row > div, .sf-user-row > .sf-icon-button { display: none; }
.sf-new { width: 44px; min-height: 44px; padding: 10px; }
.sf-navigation { width: 100%; gap: 10px; }
.sf-navigation a { justify-content: center; padding: 12px; min-height: 44px; }
.sf-sidebar-bottom { margin-top: auto; width: 100%; border-top: 0; }
.sf-user-row { justify-content: center; padding: 0; border: 0; }
.sf-sidebar-expanded { --sf-rail: 216px; }
.sf-sidebar-expanded .sf-sidebar { align-items: stretch; padding-inline: 18px; }
.sf-sidebar-expanded .sf-brand { justify-content: flex-start; margin-inline: 8px; }
.sf-sidebar-expanded .sf-brand-name, .sf-sidebar-expanded .sf-nav-label, .sf-sidebar-expanded .sf-user-row > div { display: block; }
.sf-sidebar-expanded .sf-new { width: 100%; }
.sf-sidebar-expanded .sf-navigation a { justify-content: flex-start; }
.sf-sidebar-expanded .sf-sidebar-note { display: block; }
.sf-sidebar-expanded .sf-sidebar-bottom .sf-credit-row, .sf-sidebar-expanded .sf-user-row > .sf-icon-button { display: flex; }
.sf-sidebar-expanded .sf-user-row { justify-content: flex-start; padding-top: 14px; border-top: 1px solid var(--sf-border); }
.sf-topbar { height: 72px; border-bottom-color: #22232c; padding-inline: 28px; }
.sf-topbar-title { color: #bbbccb; }
.sf-creation .sf-main { max-width: 960px; padding-top: 72px; }
.sf-workspace-intro { text-align: center; margin-bottom: 32px; }
.sf-workspace-intro h1 { font-size: 32px; letter-spacing: -.035em; font-weight: 650; }
.sf-workspace-intro p { margin: 12px auto 0; }
.sf-creation-layout { display: block; }
.sf-create-panel { width: 100%; }
.sf-composer-heading { padding-top: 21px; }
.sf-composer-heading h2 { font-size: 13px; font-weight: 600; color: #c7c7d6; }
.sf-step-hint { font-size: 11px; }
textarea[name=math_topic] { min-height: 147px; font-size: 15px; }
.sf-composer-tools { padding-bottom: 20px; }
.sf-generation-options { padding-block: 15px; }
.sf-mode-settings { display: flex; flex-wrap: wrap; gap: 18px; }
.sf-composer-footer { padding-block: 15px; }
.sf-composer-footer > span { display: flex; }
.sf-composer-footer .sf-primary { font-size: 12px; margin-left: auto; }
.sf-starters { margin-top: 34px; }
.sf-section-header h2 { font-size: 14px; font-weight: 650; }
.sf-starter { padding: 20px 16px; }
.sf-starter strong { font-size: 12px; }
.sf-starter-diagram { color: #aa9cde; }
.sf-starter:nth-child(2) .sf-starter-diagram { color: #8ac6bc; }
.sf-starter:nth-child(3) .sf-starter-diagram { color: #c8ab78; }
.sf-starter-arrow { display: none; }
.sf-demo-disclosure { margin-top: 24px; }
.sf-demo-disclosure > summary { display: flex; align-items: center; justify-content: center; gap: 9px; list-style: none; cursor: pointer; color: var(--sf-muted); font-size: 11px; padding: 7px; }
.sf-demo-disclosure > summary::-webkit-details-marker { display: none; }
.sf-demo-disclosure[open] > summary .sf-icon { transform: rotate(180deg); }
.sf-demo-disclosure .sf-feature { margin: 18px auto 0; max-width: 460px; display: flex; }
.sf-demo-disclosure .sf-feature-top { display: flex; }
.sf-demo-disclosure .sf-feature-bottom { display: flex; border-top: 1px solid #3c3e51; }
.sf-demo-disclosure .sf-feature-bottom h2 { font-size: 12px; margin: 0; }
.sf-demo-disclosure .sf-math-demo > svg { height: 200px; }
.sf-workspace-footer { margin-top: 32px; color: #9294a7; }
.sf-credit-balance strong { font-weight: 700; }
.shadcn-icon-button-notification { position: relative; }
.shadcn-notification-count { position: absolute; top: 2px; right: 1px; min-width: 15px; padding: 0 3px; border-radius: 8px; background: var(--sf-primary); color: #211b36; font-size: 9px; line-height: 15px; font-weight: 700; font-variant-numeric: tabular-nums; }
@media (max-width: 1199px) { .sf-creation .sf-main { padding-top: 65px; }.sf-composer-footer { justify-content: space-between; }.sf-prompt-hint { display: block; } }
@media (max-width: 900px) { .sf-starter-list { grid-template-columns: repeat(3,minmax(0,1fr)); }.sf-starter { border-right: 1px solid var(--sf-border); border-bottom: 0; flex-wrap: wrap; }.sf-starter:last-child { border-right: 0; }.sf-starter > span { min-width: 130px; }.sf-starter-arrow { display: none; }.sf-mode-settings { display: flex; }.sf-generation-options { flex-wrap: wrap; } }
@media (max-width: 700px) {
  .sf-sidebar { width: 240px; align-items: stretch; }.sf-page { margin-left: 0; }.sf-sidebar .sf-brand { justify-content: flex-start; margin-inline: 10px; }.sf-sidebar .sf-brand-name, .sf-sidebar .sf-nav-label, .sf-sidebar .sf-user-row > div { display: block; }.sf-sidebar .sf-new { width: 100%; }.sf-sidebar .sf-navigation a { justify-content: flex-start; }.sf-sidebar .sf-sidebar-note { display: block; }.sf-sidebar .sf-sidebar-bottom .sf-credit-row, .sf-sidebar .sf-user-row > .sf-icon-button { display: flex; }.sf-sidebar .sf-user-row { justify-content: flex-start; padding-top: 12px; border-top: 1px solid var(--sf-border); }
  .sf-topbar { height: 66px; padding-inline: 13px; }.sf-creation .sf-main { padding: 50px 18px 24px; }.sf-workspace-intro h1 { font-size: 27px; max-width: 20ch; margin-inline: auto; }.sf-workspace-intro p { font-size: 12px; max-width: 32ch; }.sf-composer-heading { padding-inline: 18px; }.sf-step-hint { display: none; }textarea[name=math_topic] { min-height: 150px; font-size: 14px; }.sf-composer-footer > span, .sf-prompt-hint { display: none; }.sf-mode-settings { display: grid; gap: 12px; }.sf-output-settings { gap: 15px; }.sf-generation-options { flex-wrap: nowrap; padding-inline: 17px; }.sf-check-option { font-size: 11px; }.sf-starter-list { grid-template-columns: 1fr; }.sf-starter { flex-wrap: nowrap; border-right: 0; border-bottom: 1px solid var(--sf-border); padding: 18px 0; }.sf-starter:last-child { border-bottom: 0; }.sf-starter > span { min-width: 0; }.sf-starter-arrow { display: block; }.sf-section-header p { font-size: 11px; }.sf-workspace-footer { flex-wrap: wrap; justify-content: center; gap: 4px 15px; }.sf-demo-disclosure .sf-feature-bottom h2 { font-size: 12px; }
}