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| /* ============================================================= | |
| PrepodovAI — Design System v2 | |
| Light/dark themes, modern type, accessible components. | |
| ============================================================= */ | |
| :root { | |
| color-scheme: light; | |
| /* Slate-based palette: cool, restrained, content-first — matches the | |
| "AI-Native UI" style (chrome recedes, streaming text leads). Previous | |
| warm-sand palette was comfortable but competed with content density. */ | |
| --bg: #f8fafc; /* slate-50 */ | |
| --bg-elevated: #ffffff; | |
| --bg-muted: #f1f5f9; /* slate-100 */ | |
| --bg-inverse: #020617; /* slate-950 */ | |
| --surface: #ffffffee; | |
| --surface-strong: #ffffff; | |
| --surface-glass: rgba(255, 255, 255, 0.75); | |
| --ink: #020617; /* slate-950 — body text */ | |
| --ink-muted: #334155; /* slate-700 */ | |
| --ink-subtle: #475569; /* slate-600 */ | |
| --ink-inverse: #f8fafc; | |
| --border: #e2e8f0; /* slate-200 */ | |
| --border-strong: #cbd5e1; /* slate-300 */ | |
| --border-focus: #0369a1; /* sky-700 */ | |
| /* Accent: sky (professional, trustworthy for education) */ | |
| --accent: #0369a1; /* sky-700 */ | |
| --accent-hover: #075985; /* sky-800 */ | |
| --accent-soft: #e0f2fe; /* sky-100 */ | |
| --accent-ink: #0c4a6e; /* sky-900 */ | |
| /* Warm signal for "needs attention" (pending submissions) */ | |
| --warm: #c2410c; /* orange-700 */ | |
| --warm-soft: #ffedd5; /* orange-100 */ | |
| --warm-ink: #7c2d12; /* orange-900 */ | |
| --danger: #b91c1c; /* red-700 */ | |
| --danger-soft: #fee2e2; /* red-100 */ | |
| --danger-ink: #7f1d1d; /* red-900 */ | |
| --success: #047857; /* emerald-700 */ | |
| --success-soft: #d1fae5; /* emerald-100 */ | |
| --success-ink: #064e3b; /* emerald-900 */ | |
| --info: #1d4ed8; /* blue-700 */ | |
| --info-soft: #dbeafe; /* blue-100 */ | |
| --info-ink: #1e3a8a; /* blue-900 */ | |
| /* Softer shadow scale — HIG "deference": chrome recedes so content leads. | |
| Use subtle shadows for elevation, not heavy drop-shadows. */ | |
| --shadow-xs: 0 1px 2px rgba(16, 22, 26, 0.04); | |
| --shadow-sm: 0 1px 3px rgba(16, 22, 26, 0.05), 0 1px 2px rgba(16, 22, 26, 0.03); | |
| --shadow-md: 0 4px 12px rgba(16, 22, 26, 0.06), 0 2px 4px rgba(16, 22, 26, 0.03); | |
| --shadow-lg: 0 16px 40px rgba(16, 22, 26, 0.08), 0 6px 12px rgba(16, 22, 26, 0.04); | |
| --radius-xs: 6px; | |
| --radius-sm: 10px; | |
| --radius-md: 14px; | |
| --radius-lg: 20px; | |
| --radius-xl: 28px; | |
| --radius-full: 9999px; | |
| /* Typography: one system font family across the whole app; hierarchy via | |
| weight (700 for headings, 600 for labels, 500 for body, 400 for helpers) | |
| and size, not alternate font families. Mirrors HIG "clarity". */ | |
| --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI Variable Text", "Segoe UI", "Helvetica Neue", Arial, sans-serif; | |
| --font-display: var(--font-body); | |
| --font-mono: "SF Mono", "JetBrains Mono", ui-monospace, "Cascadia Mono", "Consolas", monospace; | |
| --space-1: 4px; | |
| --space-2: 8px; | |
| --space-3: 12px; | |
| --space-4: 16px; | |
| --space-5: 20px; | |
| --space-6: 24px; | |
| --space-8: 32px; | |
| --space-10: 40px; | |
| --space-12: 48px; | |
| --space-16: 64px; | |
| --container: 1180px; | |
| --container-narrow: 820px; | |
| /* Motion: one curve shared everywhere so the product feels physically | |
| coherent (HIG "depth"). Slightly under-damped spring approximation. */ | |
| --ease-standard: cubic-bezier(0.2, 0, 0, 1); | |
| --transition-fast: 150ms var(--ease-standard); | |
| --transition-base: 220ms var(--ease-standard); | |
| } | |
| [data-theme="dark"] { | |
| color-scheme: dark; | |
| /* Dark palette mirrors the slate primary. Deep slate-900 bg with | |
| slightly lifted cards; sky accent stays readable on dark. */ | |
| --bg: #020617; /* slate-950 */ | |
| --bg-elevated: #0f172a; /* slate-900 */ | |
| --bg-muted: #1e293b; /* slate-800 */ | |
| --bg-inverse: #f8fafc; | |
| --surface: #0f172aee; | |
| --surface-strong: #1e293b; | |
| --surface-glass: rgba(15, 23, 42, 0.8); | |
| --ink: #f1f5f9; /* slate-100 */ | |
| --ink-muted: #cbd5e1; /* slate-300 */ | |
| --ink-subtle: #94a3b8; /* slate-400 */ | |
| --ink-inverse: #020617; | |
| --border: #334155; /* slate-700 */ | |
| --border-strong: #475569; /* slate-600 */ | |
| --border-focus: #38bdf8; /* sky-400 */ | |
| --accent: #38bdf8; /* sky-400 — readable on dark */ | |
| --accent-hover: #7dd3fc; /* sky-300 */ | |
| --accent-soft: #082f49; /* sky-950 */ | |
| --accent-ink: #bae6fd; /* sky-200 */ | |
| --warm: #fb923c; /* orange-400 */ | |
| --warm-soft: #431407; /* orange-950 */ | |
| --warm-ink: #fed7aa; /* orange-200 */ | |
| --danger: #f87171; /* red-400 */ | |
| --danger-soft: #450a0a; /* red-950 */ | |
| --danger-ink: #fecaca; /* red-200 */ | |
| --success: #34d399; /* emerald-400 */ | |
| --success-soft: #022c22; /* emerald-950 */ | |
| --success-ink: #a7f3d0; /* emerald-200 */ | |
| --info: #60a5fa; /* blue-400 */ | |
| --info-soft: #172554; /* blue-950 */ | |
| --info-ink: #bfdbfe; /* blue-200 */ | |
| --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3); | |
| --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5), 0 2px 4px rgba(0, 0, 0, 0.3); | |
| --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6), 0 6px 12px rgba(0, 0, 0, 0.4); | |
| } | |
| /* ---------- Base ---------- */ | |
| *, | |
| *::before, | |
| *::after { | |
| box-sizing: border-box; | |
| } | |
| html { | |
| -webkit-text-size-adjust: 100%; | |
| } | |
| html, | |
| body { | |
| margin: 0; | |
| padding: 0; | |
| min-height: 100vh; | |
| } | |
| body { | |
| font-family: var(--font-body); | |
| font-size: 15px; | |
| line-height: 1.6; | |
| color: var(--ink); | |
| /* Subtle ambient gradients — sky + blue, barely visible — adds depth | |
| without chrome noise. Matches "AI-Native UI" ambient backdrop. */ | |
| background: | |
| radial-gradient(circle at 15% 5%, rgba(3, 105, 161, 0.08), transparent 55%), | |
| radial-gradient(circle at 85% 20%, rgba(29, 78, 216, 0.05), transparent 60%), | |
| var(--bg); | |
| background-attachment: fixed; | |
| -webkit-font-smoothing: antialiased; | |
| -moz-osx-font-smoothing: grayscale; | |
| } | |
| [data-theme="dark"] body { | |
| background: | |
| radial-gradient(circle at 15% 5%, rgba(56, 189, 248, 0.12), transparent 55%), | |
| radial-gradient(circle at 85% 20%, rgba(96, 165, 250, 0.08), transparent 60%), | |
| var(--bg); | |
| } | |
| .bg { | |
| min-height: 100vh; | |
| position: relative; | |
| overflow-x: hidden; | |
| } | |
| .noise { | |
| position: fixed; | |
| inset: 0; | |
| opacity: 0.03; | |
| pointer-events: none; | |
| background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); | |
| z-index: 0; | |
| } | |
| h1, h2, h3, h4, h5 { | |
| margin: 0; | |
| font-family: var(--font-display); | |
| font-weight: 700; | |
| line-height: 1.2; | |
| letter-spacing: -0.015em; | |
| color: var(--ink); | |
| } | |
| /* Tighter, bigger hierarchy. h1 feels editorial (not timid); h2 anchors | |
| section cards; h3 labels sub-sections without shouting. */ | |
| h1 { font-size: clamp(30px, 4vw, 42px); font-weight: 800; letter-spacing: -0.02em; } | |
| h2 { font-size: clamp(22px, 2.4vw, 28px); font-weight: 700; } | |
| h3 { font-size: 18px; font-weight: 600; } | |
| h4 { font-size: 15px; font-weight: 600; } | |
| p { margin: 0; line-height: 1.65; } | |
| a { color: var(--accent); text-decoration: none; } | |
| a:hover { text-decoration: underline; text-underline-offset: 3px; } | |
| code, pre, .mono { font-family: var(--font-mono); font-size: 0.92em; } | |
| /* Focus rings — AI-native: crisp, high-contrast, never "sharp blue" default. | |
| The offset + accent-tint ring reads as a premium polish detail. */ | |
| a:focus-visible, | |
| button:focus-visible, | |
| summary:focus-visible, | |
| input:focus-visible, | |
| textarea:focus-visible, | |
| select:focus-visible, | |
| [tabindex]:focus-visible { | |
| outline: 2px solid var(--accent); | |
| outline-offset: 3px; | |
| border-color: var(--border-focus); | |
| box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); | |
| border-radius: inherit; | |
| } | |
| /* Anything that looks tappable must feel tappable. */ | |
| button, | |
| summary, | |
| [role="button"], | |
| .chip, | |
| .tab, | |
| .submission-card__summary, | |
| .recent-item, | |
| select { | |
| cursor: pointer; | |
| } | |
| button:disabled, | |
| button[aria-busy="true"] { | |
| cursor: not-allowed; | |
| } | |
| .skip-link { | |
| position: absolute; | |
| left: 16px; | |
| top: 16px; | |
| padding: 10px 14px; | |
| border-radius: var(--radius-sm); | |
| background: var(--ink); | |
| color: var(--ink-inverse); | |
| text-decoration: none; | |
| transform: translateY(-220%); | |
| transition: transform var(--transition-base); | |
| z-index: 50; | |
| font-weight: 600; | |
| } | |
| .skip-link:focus, | |
| .skip-link:focus-visible { | |
| transform: translateY(0); | |
| } | |
| /* ---------- Layout ---------- */ | |
| .container { | |
| max-width: var(--container); | |
| margin: 0 auto; | |
| padding: var(--space-6) var(--space-5) var(--space-16); | |
| position: relative; | |
| z-index: 1; | |
| } | |
| .runtime-shell { | |
| display: grid; | |
| gap: var(--space-5); | |
| } | |
| .runtime-shell--narrow { | |
| max-width: var(--container-narrow); | |
| } | |
| .stack { | |
| display: grid; | |
| gap: var(--space-3); | |
| } | |
| .stack--lg { | |
| gap: var(--space-5); | |
| } | |
| .cluster { | |
| display: flex; | |
| flex-wrap: wrap; | |
| gap: var(--space-3); | |
| align-items: center; | |
| } | |
| /* ---------- Topbar ---------- */ | |
| .topbar { | |
| display: flex; | |
| justify-content: space-between; | |
| align-items: center; | |
| gap: var(--space-4); | |
| padding: var(--space-4) var(--space-6); | |
| border-bottom: 1px solid var(--border); | |
| background: var(--surface-glass); | |
| backdrop-filter: saturate(180%) blur(14px); | |
| -webkit-backdrop-filter: saturate(180%) blur(14px); | |
| position: sticky; | |
| top: 0; | |
| z-index: 10; | |
| } | |
| .topbar__right { | |
| display: flex; | |
| align-items: center; | |
| gap: var(--space-2); | |
| flex-wrap: wrap; | |
| justify-content: flex-end; | |
| } | |
| .brand { | |
| display: inline-flex; | |
| align-items: center; | |
| gap: var(--space-2); | |
| font-family: var(--font-display); | |
| font-weight: 800; | |
| font-size: 18px; | |
| letter-spacing: -0.01em; | |
| color: var(--ink); | |
| text-decoration: none; | |
| } | |
| .brand:hover { text-decoration: none; } | |
| .brand__mark { | |
| width: 28px; | |
| height: 28px; | |
| border-radius: 8px; | |
| display: inline-flex; | |
| align-items: center; | |
| justify-content: center; | |
| background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 40%, var(--warm))); | |
| color: #fff; | |
| font-weight: 700; | |
| font-size: 14px; | |
| box-shadow: 0 4px 10px rgba(15, 107, 94, 0.25); | |
| } | |
| .pill { | |
| display: inline-flex; | |
| align-items: center; | |
| gap: var(--space-1); | |
| padding: 6px 12px; | |
| border-radius: var(--radius-full); | |
| background: var(--accent-soft); | |
| color: var(--accent-ink); | |
| font-size: 12px; | |
| font-weight: 600; | |
| letter-spacing: 0.02em; | |
| } | |
| .pill--student { | |
| background: var(--warm-soft); | |
| color: var(--warm-ink); | |
| } | |
| /* ---------- Landing hero ---------- */ | |
| /* Landing hero: minimal single-column pattern (ui-ux-pro-max: Pattern → | |
| Minimal Single Column). Large typography, breathing room, single CTA. */ | |
| .hero { | |
| max-width: var(--container-narrow); | |
| margin: var(--space-16) auto var(--space-10); | |
| padding: var(--space-12) var(--space-8) var(--space-10); | |
| background: var(--surface-strong); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius-xl); | |
| box-shadow: var(--shadow-md); | |
| position: relative; | |
| overflow: hidden; | |
| z-index: 1; | |
| text-align: center; | |
| } | |
| .hero::before { | |
| content: ""; | |
| position: absolute; | |
| inset: -60px -120px auto auto; | |
| width: 320px; | |
| height: 320px; | |
| background: radial-gradient(circle, color-mix(in srgb, var(--accent) 20%, transparent), transparent 70%); | |
| border-radius: 50%; | |
| pointer-events: none; | |
| filter: blur(20px); | |
| } | |
| .hero__actions, | |
| .hero__stats { | |
| justify-content: center; | |
| } | |
| .hero__lead { | |
| margin-left: auto; | |
| margin-right: auto; | |
| } | |
| .hero__badge { | |
| display: inline-flex; | |
| align-items: center; | |
| gap: 6px; | |
| padding: 7px 14px; | |
| border-radius: var(--radius-full); | |
| background: var(--warm-soft); | |
| color: var(--warm-ink); | |
| font-size: 12px; | |
| font-weight: 600; | |
| letter-spacing: 0.04em; | |
| margin-bottom: var(--space-4); | |
| } | |
| .hero__badge::before { | |
| content: ""; | |
| width: 6px; | |
| height: 6px; | |
| border-radius: 50%; | |
| background: var(--warm); | |
| } | |
| .hero h1 { | |
| font-size: clamp(40px, 6vw, 64px); | |
| letter-spacing: -0.02em; | |
| line-height: 1.05; | |
| font-weight: 800; | |
| margin-bottom: var(--space-5); | |
| } | |
| .hero__lead { | |
| font-size: 18px; | |
| color: var(--ink-muted); | |
| max-width: 640px; | |
| } | |
| .hero__actions { | |
| margin-top: var(--space-6); | |
| display: flex; | |
| gap: var(--space-3); | |
| flex-wrap: wrap; | |
| } | |
| .hero__stats { | |
| margin-top: var(--space-8); | |
| display: grid; | |
| grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); | |
| gap: var(--space-4); | |
| padding-top: var(--space-6); | |
| border-top: 1px solid var(--border); | |
| } | |
| .hero-stat__num { | |
| font-family: var(--font-display); | |
| font-size: 28px; | |
| font-weight: 800; | |
| color: var(--accent); | |
| line-height: 1; | |
| } | |
| .hero-stat__label { | |
| margin-top: 4px; | |
| color: var(--ink-muted); | |
| font-size: 13px; | |
| } | |
| .features-grid { | |
| max-width: var(--container-narrow); | |
| margin: 0 auto var(--space-16); | |
| display: grid; | |
| grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); | |
| gap: var(--space-4); | |
| padding: 0 var(--space-5); | |
| } | |
| .feature-card { | |
| padding: var(--space-6); | |
| background: var(--surface-strong); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius-lg); | |
| box-shadow: var(--shadow-sm); | |
| transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast); | |
| } | |
| .feature-card:hover { | |
| transform: translateY(-2px); | |
| box-shadow: var(--shadow-md); | |
| border-color: var(--border-strong); | |
| } | |
| .feature-card__icon { | |
| width: 42px; | |
| height: 42px; | |
| border-radius: var(--radius-sm); | |
| background: var(--accent-soft); | |
| color: var(--accent-ink); | |
| display: inline-flex; | |
| align-items: center; | |
| justify-content: center; | |
| font-size: 22px; | |
| margin-bottom: var(--space-3); | |
| } | |
| .feature-card h3 { | |
| margin-bottom: var(--space-2); | |
| } | |
| .feature-card p { | |
| color: var(--ink-muted); | |
| font-size: 15px; | |
| } | |
| .roles-grid { | |
| max-width: var(--container-narrow); | |
| margin: 0 auto var(--space-16); | |
| display: grid; | |
| grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); | |
| gap: var(--space-4); | |
| padding: 0 var(--space-5); | |
| } | |
| .role-card { | |
| display: flex; | |
| flex-direction: column; | |
| gap: var(--space-4); | |
| padding: var(--space-8); | |
| background: linear-gradient(140deg, var(--surface-strong), color-mix(in srgb, var(--accent-soft) 40%, var(--surface-strong))); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius-xl); | |
| box-shadow: var(--shadow-md); | |
| position: relative; | |
| overflow: hidden; | |
| } | |
| .role-card--student { | |
| background: linear-gradient(140deg, var(--surface-strong), color-mix(in srgb, var(--warm-soft) 60%, var(--surface-strong))); | |
| } | |
| .role-card h2 { | |
| margin-bottom: var(--space-2); | |
| } | |
| .role-card ul { | |
| list-style: none; | |
| padding: 0; | |
| margin: 0; | |
| display: grid; | |
| gap: var(--space-2); | |
| color: var(--ink-muted); | |
| } | |
| .role-card li { | |
| display: flex; | |
| gap: var(--space-2); | |
| align-items: flex-start; | |
| } | |
| .role-card li::before { | |
| content: "✓"; | |
| color: var(--accent); | |
| font-weight: 700; | |
| } | |
| .role-card .btn { | |
| align-self: flex-start; | |
| } | |
| /* ---------- Panels / Cards ---------- */ | |
| .panel { | |
| background: var(--surface); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius-lg); | |
| padding: var(--space-6); | |
| box-shadow: var(--shadow-sm); | |
| } | |
| .panel--step { | |
| display: grid; | |
| gap: var(--space-5); | |
| } | |
| .panel--secondary { | |
| background: var(--bg-elevated); | |
| } | |
| .panel--secondary > summary, | |
| .advanced-box > summary { | |
| cursor: pointer; | |
| font-weight: 700; | |
| padding: var(--space-2) 0; | |
| } | |
| .panel-block { | |
| background: var(--surface-strong); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius-md); | |
| padding: var(--space-5); | |
| display: grid; | |
| gap: var(--space-4); | |
| } | |
| .step-head { | |
| display: flex; | |
| justify-content: space-between; | |
| gap: var(--space-4); | |
| align-items: flex-start; | |
| } | |
| .step-head--compact { align-items: center; } | |
| .step-head p { max-width: 560px; } | |
| .step-kicker { | |
| display: inline-flex; | |
| align-items: center; | |
| gap: var(--space-1); | |
| padding: 5px 10px; | |
| border-radius: var(--radius-full); | |
| background: var(--accent-soft); | |
| color: var(--accent-ink); | |
| font-size: 11px; | |
| font-weight: 700; | |
| letter-spacing: 0.08em; | |
| text-transform: uppercase; | |
| margin-bottom: var(--space-2); | |
| } | |
| .section-head { | |
| display: flex; | |
| justify-content: space-between; | |
| gap: var(--space-4); | |
| align-items: flex-start; | |
| margin-bottom: var(--space-3); | |
| flex-wrap: wrap; | |
| } | |
| /* ---------- Tabs ---------- */ | |
| .tablist { | |
| display: flex; | |
| gap: 2px; | |
| padding: 4px; | |
| background: var(--bg-muted); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius-md); | |
| overflow-x: auto; | |
| scrollbar-width: none; | |
| } | |
| .tablist::-webkit-scrollbar { display: none; } | |
| .tab { | |
| flex: 1 0 auto; | |
| padding: 10px 16px; | |
| background: transparent; | |
| border: 0; | |
| border-radius: var(--radius-sm); | |
| color: var(--ink-muted); | |
| font-weight: 600; | |
| font-size: 14px; | |
| cursor: pointer; | |
| white-space: nowrap; | |
| transition: background var(--transition-fast), color var(--transition-fast); | |
| display: inline-flex; | |
| align-items: center; | |
| gap: 6px; | |
| } | |
| .tab:hover { color: var(--ink); background: color-mix(in srgb, var(--surface-strong) 70%, transparent); } | |
| .tab[aria-selected="true"] { | |
| background: var(--surface-strong); | |
| color: var(--ink); | |
| box-shadow: var(--shadow-sm); | |
| } | |
| .tab .tab-count { | |
| display: inline-flex; | |
| align-items: center; | |
| justify-content: center; | |
| min-width: 20px; | |
| height: 20px; | |
| padding: 0 6px; | |
| border-radius: var(--radius-full); | |
| background: var(--warm); | |
| color: #fff; | |
| font-size: 11px; | |
| font-weight: 700; | |
| } | |
| .tab[aria-selected="true"] .tab-count { | |
| background: var(--accent); | |
| } | |
| .tab-panel { display: none; } | |
| .tab-panel[data-active="true"] { display: grid; gap: var(--space-5); } | |
| /* ---------- Status banner ---------- */ | |
| .status-banner { | |
| max-width: var(--container); | |
| margin: var(--space-4) auto 0; | |
| padding: var(--space-3) var(--space-5); | |
| border-radius: var(--radius-md); | |
| border: 1px solid transparent; | |
| font-size: 14px; | |
| font-weight: 600; | |
| display: flex; | |
| align-items: center; | |
| gap: var(--space-2); | |
| box-shadow: var(--shadow-sm); | |
| position: relative; | |
| z-index: 5; | |
| } | |
| .status-banner--idle { display: none; } | |
| .status-banner--info { | |
| background: var(--info-soft); | |
| border-color: color-mix(in srgb, var(--info) 30%, transparent); | |
| color: var(--info-ink); | |
| } | |
| .status-banner--success { | |
| background: var(--success-soft); | |
| border-color: color-mix(in srgb, var(--success) 30%, transparent); | |
| color: var(--success-ink); | |
| } | |
| .status-banner--error { | |
| background: var(--danger-soft); | |
| border-color: color-mix(in srgb, var(--danger) 30%, transparent); | |
| color: var(--danger-ink); | |
| } | |
| /* ---------- Toast stack ---------- */ | |
| .toast-stack { | |
| position: fixed; | |
| right: var(--space-5); | |
| bottom: var(--space-5); | |
| display: grid; | |
| gap: var(--space-2); | |
| z-index: 200; | |
| pointer-events: none; | |
| } | |
| .toast { | |
| pointer-events: auto; | |
| padding: var(--space-3) var(--space-4); | |
| background: var(--surface-strong); | |
| border: 1px solid var(--border); | |
| border-left: 4px solid var(--accent); | |
| border-radius: var(--radius-md); | |
| box-shadow: var(--shadow-lg); | |
| font-size: 14px; | |
| font-weight: 500; | |
| color: var(--ink); | |
| display: flex; | |
| gap: var(--space-3); | |
| align-items: center; | |
| min-width: 260px; | |
| max-width: 380px; | |
| animation: slideIn 220ms cubic-bezier(0.3, 0.1, 0.2, 1); | |
| } | |
| .toast--success { border-left-color: var(--success); } | |
| .toast--error { border-left-color: var(--danger); } | |
| .toast--info { border-left-color: var(--info); } | |
| .toast button { | |
| margin-left: auto; | |
| background: transparent; | |
| border: 0; | |
| color: var(--ink-muted); | |
| cursor: pointer; | |
| font-size: 18px; | |
| line-height: 1; | |
| padding: 2px 6px; | |
| border-radius: var(--radius-xs); | |
| } | |
| .toast button:hover { background: var(--bg-muted); color: var(--ink); } | |
| @keyframes slideIn { | |
| from { transform: translateX(110%); opacity: 0; } | |
| to { transform: translateX(0); opacity: 1; } | |
| } | |
| /* ---------- Forms ---------- */ | |
| label { | |
| display: block; | |
| font-weight: 600; | |
| margin-bottom: 6px; | |
| font-size: 14px; | |
| color: var(--ink); | |
| } | |
| .field-help, | |
| .muted { | |
| color: var(--ink-muted); | |
| font-size: 13px; | |
| line-height: 1.5; | |
| } | |
| .field-grid { | |
| display: grid; | |
| grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); | |
| gap: var(--space-4); | |
| } | |
| .field-grid--compact { | |
| grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); | |
| } | |
| .field-card { | |
| background: var(--surface-strong); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius-md); | |
| padding: var(--space-4); | |
| display: grid; | |
| gap: var(--space-2); | |
| } | |
| .field-card--plain { | |
| background: transparent; | |
| border: 0; | |
| padding: 0; | |
| } | |
| textarea, | |
| input[type="file"], | |
| input[type="text"], | |
| input[type="email"], | |
| input[type="password"], | |
| input[type="search"], | |
| input[type="number"], | |
| input[type="tel"], | |
| select { | |
| width: 100%; | |
| padding: 11px 14px; | |
| border-radius: var(--radius-sm); | |
| border: 1px solid var(--border); | |
| background: var(--surface-strong); | |
| font-family: inherit; | |
| font-size: 15px; | |
| color: var(--ink); | |
| transition: border-color var(--transition-fast), background var(--transition-fast); | |
| } | |
| textarea { resize: vertical; min-height: 80px; line-height: 1.55; } | |
| textarea:hover, input:hover, select:hover { border-color: var(--border-strong); } | |
| input::placeholder, | |
| textarea::placeholder { color: var(--ink-subtle); } | |
| /* ---------- Buttons ---------- */ | |
| .btn { | |
| display: inline-flex; | |
| justify-content: center; | |
| align-items: center; | |
| gap: 8px; | |
| padding: 10px 18px; | |
| border-radius: var(--radius-sm); | |
| border: 1px solid var(--accent); | |
| background: var(--accent); | |
| color: #fff; | |
| text-decoration: none; | |
| cursor: pointer; | |
| font-weight: 600; | |
| font-size: 14px; | |
| line-height: 1.2; | |
| letter-spacing: 0.01em; | |
| /* subtle inner highlight — the sky button gains physical presence */ | |
| box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), var(--shadow-xs); | |
| transition: transform var(--transition-fast), box-shadow var(--transition-fast), | |
| background var(--transition-fast), border-color var(--transition-fast), | |
| color var(--transition-fast); | |
| white-space: nowrap; | |
| } | |
| .btn:hover { | |
| background: var(--accent-hover); | |
| border-color: var(--accent-hover); | |
| transform: translateY(-1px); | |
| box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 28%, transparent); | |
| color: #fff; | |
| text-decoration: none; | |
| } | |
| .btn:active { transform: translateY(0); } | |
| .btn--ghost { | |
| background: transparent; | |
| color: var(--accent); | |
| border-color: var(--border); | |
| } | |
| .btn--ghost:hover { | |
| background: var(--accent-soft); | |
| color: var(--accent-ink); | |
| border-color: var(--accent); | |
| } | |
| .btn--subtle { | |
| background: var(--bg-muted); | |
| color: var(--ink); | |
| border-color: var(--border); | |
| } | |
| .btn--subtle:hover { | |
| background: var(--surface-strong); | |
| border-color: var(--border-strong); | |
| color: var(--ink); | |
| } | |
| .btn--accent { | |
| background: #8a4a00; | |
| border-color: #8a4a00; | |
| color: #fff; | |
| } | |
| .btn--accent:hover { | |
| background: #703b00; | |
| border-color: #703b00; | |
| color: #fff; | |
| box-shadow: 0 6px 14px color-mix(in srgb, #8a4a00 28%, transparent); | |
| } | |
| [data-theme="dark"] .btn--accent { | |
| background: var(--warm); | |
| border-color: var(--warm); | |
| color: #2a1800; | |
| } | |
| [data-theme="dark"] .btn--accent:hover { | |
| background: color-mix(in srgb, var(--warm) 88%, white); | |
| border-color: color-mix(in srgb, var(--warm) 88%, white); | |
| color: #2a1800; | |
| } | |
| .btn--danger { | |
| background: var(--danger); | |
| border-color: var(--danger); | |
| color: #fff; | |
| } | |
| .btn--danger:hover { | |
| background: color-mix(in srgb, var(--danger) 88%, black); | |
| border-color: color-mix(in srgb, var(--danger) 88%, black); | |
| color: #fff; | |
| } | |
| .btn--sm { padding: 7px 12px; font-size: 13px; } | |
| .btn--icon { padding: 8px; min-width: 36px; min-height: 36px; } | |
| .btn--block { width: 100%; } | |
| .btn:disabled, | |
| .btn[aria-busy="true"] { | |
| cursor: not-allowed; | |
| opacity: 0.65; | |
| transform: none ; | |
| box-shadow: none ; | |
| } | |
| .btn[aria-busy="true"]::before { | |
| content: ""; | |
| display: inline-block; | |
| width: 12px; | |
| height: 12px; | |
| border-radius: 50%; | |
| border: 2px solid currentColor; | |
| border-right-color: transparent; | |
| animation: spin 600ms linear infinite; | |
| margin-right: 4px; | |
| } | |
| @keyframes spin { | |
| from { transform: rotate(0); } | |
| to { transform: rotate(360deg); } | |
| } | |
| .icon-btn { | |
| display: inline-flex; | |
| align-items: center; | |
| justify-content: center; | |
| width: 34px; | |
| height: 34px; | |
| padding: 0; | |
| border-radius: var(--radius-sm); | |
| border: 1px solid var(--border); | |
| background: var(--surface-strong); | |
| color: var(--ink-muted); | |
| cursor: pointer; | |
| transition: background var(--transition-fast), color var(--transition-fast), | |
| border-color var(--transition-fast); | |
| flex: 0 0 auto; | |
| } | |
| .icon-btn:hover { | |
| background: var(--bg-muted); | |
| color: var(--ink); | |
| border-color: var(--border-strong); | |
| } | |
| .icon-btn svg { | |
| display: block; | |
| pointer-events: none; | |
| } | |
| /* ---------- Inline actions / Rows ---------- */ | |
| .inline-actions, | |
| .action-row { | |
| display: flex; | |
| gap: var(--space-2); | |
| align-items: center; | |
| flex-wrap: wrap; | |
| } | |
| .action-row--between { justify-content: space-between; } | |
| .action-row--end { justify-content: flex-end; } | |
| /* ---------- Badges / Chips ---------- */ | |
| .badge { | |
| display: inline-flex; | |
| align-items: center; | |
| gap: 4px; | |
| padding: 4px 10px; | |
| border-radius: var(--radius-full); | |
| font-size: 12px; | |
| font-weight: 600; | |
| background: var(--bg-muted); | |
| color: var(--ink-muted); | |
| border: 1px solid transparent; | |
| } | |
| .badge--neutral { background: var(--bg-muted); color: var(--ink-muted); } | |
| .badge--accent { background: var(--accent-soft); color: var(--accent-ink); } | |
| .badge--warm { background: var(--warm-soft); color: var(--warm-ink); } | |
| .badge--success { background: var(--success-soft); color: var(--success-ink); } | |
| .badge--danger { background: var(--danger-soft); color: var(--danger-ink); } | |
| .badge--info { background: var(--info-soft); color: var(--info-ink); } | |
| .badge::before { | |
| content: ""; | |
| width: 6px; | |
| height: 6px; | |
| border-radius: 50%; | |
| background: currentColor; | |
| opacity: 1; | |
| } | |
| /* Give each badge variant a saturated dot so status reads across the room. */ | |
| .badge--warm::before { background: var(--warm); } | |
| .badge--accent::before { background: var(--accent); } | |
| .badge--success::before { background: var(--success); } | |
| .badge--info::before { background: var(--info); } | |
| .badge--danger::before { background: var(--danger); } | |
| .badge--plain::before { display: none; } | |
| /* ---------- Empty / Inline status ---------- */ | |
| .empty-state { | |
| padding: var(--space-6); | |
| border-radius: var(--radius-md); | |
| background: var(--bg-muted); | |
| border: 1px dashed var(--border-strong); | |
| color: var(--ink-muted); | |
| text-align: center; | |
| font-size: 14px; | |
| line-height: 1.6; | |
| } | |
| .empty-state--error { | |
| background: var(--danger-soft); | |
| border-color: color-mix(in srgb, var(--danger) 30%, transparent); | |
| color: var(--danger-ink); | |
| } | |
| .empty-state h4 { | |
| color: var(--ink); | |
| margin-bottom: 6px; | |
| } | |
| .inline-status { | |
| padding: var(--space-3); | |
| border-radius: var(--radius-sm); | |
| background: var(--bg-muted); | |
| border: 1px solid var(--border); | |
| color: var(--ink-muted); | |
| font-size: 13px; | |
| line-height: 1.5; | |
| } | |
| .inline-status--info { background: var(--info-soft); border-color: color-mix(in srgb, var(--info) 30%, transparent); color: var(--info-ink); } | |
| .inline-status--success { background: var(--success-soft); border-color: color-mix(in srgb, var(--success) 30%, transparent); color: var(--success-ink); } | |
| .inline-status--error { background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 30%, transparent); color: var(--danger-ink); } | |
| .confirm-box { | |
| display: flex; | |
| justify-content: space-between; | |
| gap: var(--space-4); | |
| align-items: center; | |
| flex-wrap: wrap; | |
| padding: var(--space-4); | |
| border-radius: var(--radius-md); | |
| background: var(--warm-soft); | |
| border: 1px solid color-mix(in srgb, var(--warm) 35%, transparent); | |
| color: var(--warm-ink); | |
| } | |
| .confirm-box__actions { display: flex; gap: var(--space-2); flex-wrap: wrap; } | |
| /* ---------- Advanced box ---------- */ | |
| .advanced-box { | |
| border: 1px dashed var(--border-strong); | |
| border-radius: var(--radius-md); | |
| padding: var(--space-4); | |
| background: var(--bg-elevated); | |
| } | |
| /* ---------- Tree (course structure) ---------- */ | |
| .tree { min-height: 70px; } | |
| .tree-list { | |
| margin: 0; | |
| padding: 0; | |
| list-style: none; | |
| display: grid; | |
| gap: var(--space-2); | |
| } | |
| .tree-list--nested { | |
| padding-left: var(--space-5); | |
| margin-top: var(--space-2); | |
| border-left: 2px solid var(--border); | |
| } | |
| .tree-item { | |
| padding: 10px 12px; | |
| border-radius: var(--radius-sm); | |
| background: var(--surface-strong); | |
| border: 1px solid var(--border); | |
| } | |
| .tree-item--lesson { | |
| padding: 6px 12px; | |
| background: transparent; | |
| border: 0; | |
| display: flex; | |
| justify-content: space-between; | |
| align-items: center; | |
| gap: var(--space-2); | |
| font-size: 14px; | |
| color: var(--ink-muted); | |
| } | |
| .tree-item--lesson strong { color: var(--ink); } | |
| .tree-line { | |
| display: flex; | |
| justify-content: space-between; | |
| gap: var(--space-2); | |
| align-items: center; | |
| flex-wrap: wrap; | |
| } | |
| .tree-line strong { font-size: 15px; } | |
| /* ---------- Rubric builder ---------- */ | |
| .rubric { display: grid; gap: var(--space-3); } | |
| .rubric-card { | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius-md); | |
| padding: var(--space-4); | |
| background: var(--surface-strong); | |
| } | |
| .rubric-card__head { | |
| display: flex; | |
| justify-content: space-between; | |
| gap: var(--space-3); | |
| align-items: center; | |
| margin-bottom: var(--space-3); | |
| } | |
| .rubric-grid, | |
| .rubric-levels { | |
| display: grid; | |
| gap: var(--space-3); | |
| } | |
| .rubric-grid { | |
| grid-template-columns: minmax(0, 2fr) minmax(120px, 180px); | |
| } | |
| .rubric-levels { | |
| grid-template-columns: repeat(2, minmax(0, 1fr)); | |
| margin-top: var(--space-3); | |
| } | |
| .rubric-field { | |
| display: grid; | |
| gap: 6px; | |
| } | |
| .rubric-field > span { | |
| font-weight: 600; | |
| font-size: 13px; | |
| color: var(--ink-muted); | |
| } | |
| /* ---------- Submission cards (grading queue) ---------- */ | |
| .submission-list, | |
| .assignment-list, | |
| .feedback-list, | |
| .students-list { | |
| display: grid; | |
| gap: var(--space-3); | |
| } | |
| .submission-card, | |
| .assignment-card, | |
| .feedback-card, | |
| .student-card { | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius-md); | |
| background: var(--surface-strong); | |
| padding: var(--space-5); | |
| transition: border-color var(--transition-fast), box-shadow var(--transition-fast); | |
| } | |
| .submission-card:hover, | |
| .assignment-card:hover, | |
| .feedback-card:hover, | |
| .student-card:hover { | |
| border-color: var(--border-strong); | |
| box-shadow: var(--shadow-sm); | |
| } | |
| .submission-card[data-active="true"] { | |
| border-color: var(--accent); | |
| box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent); | |
| } | |
| /* Distinct left-border colour per pipeline state so a dense queue is | |
| scannable at three metres without reading status badges. */ | |
| .submission-card[data-status="submitted"] { | |
| border-left: 4px solid var(--warm); | |
| } | |
| .submission-card[data-status="draft_ready"] { | |
| border-left: 4px solid var(--info); | |
| } | |
| .submission-card[data-status="finalized"] { | |
| border-left: 4px solid var(--success); | |
| background: color-mix(in srgb, var(--success-soft) 35%, var(--surface-strong)); | |
| } | |
| .submission-card[data-status="finalized"] .submission-card__title { | |
| opacity: 0.85; | |
| } | |
| .submission-card__summary, | |
| .assignment-card__head, | |
| .feedback-card__head, | |
| .student-card__head { | |
| display: flex; | |
| justify-content: space-between; | |
| gap: var(--space-4); | |
| align-items: flex-start; | |
| flex-wrap: wrap; | |
| } | |
| .submission-card__title, | |
| .feedback-title, | |
| .assignment-card h3, | |
| .student-card__name { | |
| font-weight: 700; | |
| font-size: 17px; | |
| color: var(--ink); | |
| } | |
| .submission-card__meta { | |
| display: flex; | |
| gap: var(--space-2); | |
| color: var(--ink-muted); | |
| font-size: 13px; | |
| flex-wrap: wrap; | |
| margin-top: 4px; | |
| } | |
| .submission-card__meta span::after { | |
| content: "·"; | |
| margin-left: 8px; | |
| color: var(--ink-subtle); | |
| } | |
| .submission-card__meta span:last-child::after { display: none; } | |
| .submission-card__actions { | |
| display: flex; | |
| gap: var(--space-2); | |
| align-items: center; | |
| flex-wrap: wrap; | |
| } | |
| .submission-card__preview { | |
| margin: var(--space-3) 0 0; | |
| padding: var(--space-3); | |
| border-radius: var(--radius-sm); | |
| background: var(--bg-muted); | |
| color: var(--ink-muted); | |
| font-size: 13px; | |
| line-height: 1.55; | |
| max-height: 84px; | |
| overflow: hidden; | |
| position: relative; | |
| } | |
| .submission-card__preview::after { | |
| content: ""; | |
| position: absolute; | |
| inset: auto 0 0 0; | |
| height: 24px; | |
| background: linear-gradient(transparent, var(--bg-muted)); | |
| pointer-events: none; | |
| } | |
| .submission-card__body { | |
| display: grid; | |
| gap: var(--space-3); | |
| margin-top: var(--space-4); | |
| padding-top: var(--space-4); | |
| border-top: 1px solid var(--border); | |
| } | |
| .submission-content, | |
| .feedback-text { | |
| margin: 0; | |
| white-space: pre-wrap; | |
| word-break: break-word; | |
| padding: var(--space-4); | |
| border-radius: var(--radius-sm); | |
| background: var(--bg-muted); | |
| border: 1px solid var(--border); | |
| font-family: inherit; | |
| font-size: 14px; | |
| line-height: 1.6; | |
| max-height: 420px; | |
| overflow-y: auto; | |
| } | |
| /* ---------- Grade selector (segmented) ---------- */ | |
| .grade-select { | |
| display: inline-flex; | |
| border-radius: var(--radius-sm); | |
| border: 1px solid var(--border); | |
| background: var(--bg-muted); | |
| padding: 3px; | |
| gap: 2px; | |
| } | |
| .grade-select__btn { | |
| padding: 6px 14px; | |
| border: 0; | |
| background: transparent; | |
| font-weight: 700; | |
| font-size: 14px; | |
| color: var(--ink-muted); | |
| border-radius: var(--radius-xs); | |
| cursor: pointer; | |
| min-width: 42px; | |
| } | |
| .grade-select__btn[aria-pressed="true"] { | |
| background: var(--surface-strong); | |
| color: var(--ink); | |
| box-shadow: var(--shadow-sm); | |
| } | |
| .grade-select__btn:hover { color: var(--ink); } | |
| /* ---------- Stats ---------- */ | |
| .stats-grid { | |
| display: grid; | |
| grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); | |
| gap: var(--space-3); | |
| } | |
| .stat-card { | |
| padding: var(--space-4); | |
| border-radius: var(--radius-md); | |
| background: var(--surface-strong); | |
| border: 1px solid var(--border); | |
| } | |
| .stat-card__label { | |
| font-size: 13px; | |
| color: var(--ink-muted); | |
| margin-bottom: 4px; | |
| font-weight: 600; | |
| } | |
| .stat-card__value { | |
| font-family: var(--font-display); | |
| font-size: 34px; | |
| font-weight: 800; | |
| color: var(--ink); | |
| letter-spacing: -0.02em; | |
| line-height: 1; | |
| font-variant-numeric: tabular-nums; | |
| } | |
| .stat-card__hint { | |
| margin-top: 6px; | |
| font-size: 12px; | |
| color: var(--ink-subtle); | |
| } | |
| .stat-card--accent { background: linear-gradient(135deg, var(--accent-soft), var(--surface-strong)); border-color: color-mix(in srgb, var(--accent) 25%, var(--border)); } | |
| .stat-card--accent .stat-card__value { color: var(--accent-ink); } | |
| .stat-card--warm { background: linear-gradient(135deg, var(--warm-soft), var(--surface-strong)); border-color: color-mix(in srgb, var(--warm) 25%, var(--border)); } | |
| .stat-card--warm .stat-card__value { color: var(--warm-ink); } | |
| /* ---------- Dashboard recent list ---------- */ | |
| .recent-list { display: grid; gap: var(--space-2); } | |
| .recent-item { | |
| display: flex; | |
| justify-content: space-between; | |
| align-items: center; | |
| gap: var(--space-3); | |
| padding: var(--space-3); | |
| border-radius: var(--radius-sm); | |
| background: var(--bg-muted); | |
| font-size: 13px; | |
| } | |
| .recent-item__main { display: grid; gap: 2px; min-width: 0; } | |
| .recent-item__title { font-weight: 600; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } | |
| .recent-item__meta { color: var(--ink-subtle); } | |
| /* ---------- Keyboard hint ---------- */ | |
| .kbd { | |
| display: inline-flex; | |
| align-items: center; | |
| padding: 2px 6px; | |
| border-radius: 6px; | |
| border: 1px solid var(--border-strong); | |
| background: var(--bg-muted); | |
| font-family: var(--font-mono); | |
| font-size: 11px; | |
| color: var(--ink); | |
| box-shadow: 0 1px 0 var(--border); | |
| line-height: 1; | |
| } | |
| /* ---------- Theme toggle ---------- */ | |
| .theme-toggle { | |
| display: inline-flex; | |
| align-items: center; | |
| justify-content: center; | |
| width: 36px; | |
| height: 36px; | |
| border-radius: var(--radius-sm); | |
| border: 1px solid var(--border); | |
| background: var(--surface-strong); | |
| color: var(--ink-muted); | |
| cursor: pointer; | |
| } | |
| .theme-toggle:hover { | |
| background: var(--bg-muted); | |
| color: var(--ink); | |
| } | |
| .theme-toggle svg { width: 18px; height: 18px; } | |
| [data-theme="dark"] .theme-toggle .icon-sun { display: inline; } | |
| [data-theme="dark"] .theme-toggle .icon-moon { display: none; } | |
| .theme-toggle .icon-sun { display: none; } | |
| .theme-toggle .icon-moon { display: inline; } | |
| /* ---------- Modal overlay ---------- */ | |
| .modal-overlay { | |
| position: fixed; | |
| inset: 0; | |
| background: rgba(15, 20, 25, 0.55); | |
| backdrop-filter: blur(3px); | |
| -webkit-backdrop-filter: blur(3px); | |
| display: flex; | |
| align-items: center; | |
| justify-content: center; | |
| padding: var(--space-4); | |
| z-index: 100; | |
| animation: fadeIn 160ms ease; | |
| } | |
| .modal { | |
| width: 100%; | |
| max-width: 640px; | |
| max-height: 86vh; | |
| overflow-y: auto; | |
| background: var(--surface-strong); | |
| border-radius: var(--radius-lg); | |
| box-shadow: var(--shadow-lg); | |
| padding: var(--space-6); | |
| display: grid; | |
| gap: var(--space-4); | |
| animation: popIn 220ms cubic-bezier(0.3, 0.1, 0.2, 1); | |
| } | |
| .modal__head { | |
| display: flex; | |
| justify-content: space-between; | |
| align-items: flex-start; | |
| gap: var(--space-3); | |
| } | |
| .modal__close { | |
| background: transparent; | |
| border: 0; | |
| font-size: 22px; | |
| cursor: pointer; | |
| color: var(--ink-muted); | |
| padding: 2px 8px; | |
| border-radius: var(--radius-sm); | |
| } | |
| .modal__close:hover { background: var(--bg-muted); color: var(--ink); } | |
| @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } } | |
| @keyframes popIn { | |
| from { transform: translateY(10px) scale(0.98); opacity: 0.5; } | |
| to { transform: translateY(0) scale(1); opacity: 1; } | |
| } | |
| /* ---------- Filters bar ---------- */ | |
| .filter-bar { | |
| display: flex; | |
| gap: var(--space-2); | |
| align-items: center; | |
| flex-wrap: wrap; | |
| padding: var(--space-3); | |
| border-radius: var(--radius-md); | |
| background: var(--bg-muted); | |
| border: 1px solid var(--border); | |
| } | |
| .filter-bar input[type="search"] { | |
| flex: 1 1 200px; | |
| min-width: 180px; | |
| } | |
| .chip-group { display: flex; gap: 4px; flex-wrap: wrap; } | |
| .chip { | |
| padding: 6px 12px; | |
| border-radius: var(--radius-full); | |
| border: 1px solid var(--border); | |
| background: var(--surface-strong); | |
| font-size: 13px; | |
| font-weight: 600; | |
| color: var(--ink-muted); | |
| cursor: pointer; | |
| transition: background var(--transition-fast), color var(--transition-fast), | |
| border-color var(--transition-fast), transform var(--transition-fast); | |
| } | |
| .chip:hover { border-color: var(--border-strong); color: var(--ink); } | |
| .chip[aria-pressed="true"] { | |
| background: var(--accent); | |
| border-color: var(--accent); | |
| color: #fff; | |
| } | |
| /* ---------- Course switcher ---------- */ | |
| .course-switcher { | |
| display: inline-flex; | |
| align-items: center; | |
| gap: 4px; | |
| padding: 3px 4px 3px 8px; | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius-sm); | |
| background: var(--surface-strong); | |
| } | |
| .course-switcher select { | |
| border: 0; | |
| background: transparent; | |
| padding: 5px 4px; | |
| font-size: 13px; | |
| font-weight: 600; | |
| color: var(--ink); | |
| max-width: 220px; | |
| cursor: pointer; | |
| } | |
| .course-switcher select:focus { outline: none; } | |
| .course-switcher .icon-btn { | |
| width: 28px; | |
| height: 28px; | |
| border-radius: 6px; | |
| border: 0; | |
| background: var(--accent-soft); | |
| color: var(--accent-ink); | |
| font-weight: 700; | |
| } | |
| .course-switcher--student .icon-btn { | |
| background: var(--warm-soft); | |
| color: var(--warm-ink); | |
| } | |
| /* ---------- Auth panel ---------- */ | |
| .auth-panel { text-align: center; } | |
| .auth-panel .step-head { justify-content: center; } | |
| .auth-panel .step-head > div { max-width: 420px; margin: 0 auto; } | |
| .auth-panel .stack, | |
| .auth-panel form { | |
| text-align: left; | |
| max-width: 460px; | |
| margin: 0 auto; | |
| } | |
| .auth-panel .tablist { margin: 0 auto var(--space-5); max-width: 380px; } | |
| .auth-panel .role-btn { min-width: 130px; padding: 8px 14px; } | |
| .auth-panel h1 { font-size: clamp(28px, 4vw, 36px); } | |
| .password-field { | |
| position: relative; | |
| display: flex; | |
| align-items: stretch; | |
| gap: 6px; | |
| } | |
| .password-field input { | |
| flex: 1 1 auto; | |
| } | |
| .password-toggle { | |
| white-space: nowrap; | |
| padding: 10px 12px; | |
| } | |
| input[aria-invalid="true"], | |
| textarea[aria-invalid="true"] { | |
| border-color: var(--danger); | |
| box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 18%, transparent); | |
| } | |
| .dropzone:focus-visible { | |
| outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent); | |
| outline-offset: 2px; | |
| border-color: var(--accent); | |
| } | |
| /* ---------- Dropzone ---------- */ | |
| .dropzone { | |
| position: relative; | |
| border: 2px dashed var(--border-strong); | |
| border-radius: var(--radius-md); | |
| padding: var(--space-4); | |
| background: var(--bg-muted); | |
| transition: background var(--transition-fast), color var(--transition-fast), | |
| border-color var(--transition-fast), transform var(--transition-fast); | |
| cursor: pointer; | |
| min-height: 92px; | |
| display: flex; | |
| align-items: center; | |
| justify-content: center; | |
| } | |
| .dropzone:hover { border-color: var(--accent); background: var(--accent-soft); } | |
| .dropzone--active { | |
| border-color: var(--accent); | |
| background: var(--accent-soft); | |
| transform: scale(1.01); | |
| } | |
| .dropzone__inner { | |
| text-align: center; | |
| color: var(--ink-muted); | |
| pointer-events: none; | |
| } | |
| .dropzone__title { | |
| font-weight: 600; | |
| color: var(--ink); | |
| margin-bottom: 4px; | |
| } | |
| .dropzone__hint { | |
| font-size: 12px; | |
| } | |
| .dropzone .file-input { | |
| position: absolute; | |
| inset: 0; | |
| opacity: 0; | |
| cursor: pointer; | |
| } | |
| .file-info { | |
| margin-top: 8px; | |
| min-height: 24px; | |
| } | |
| .domain-select { | |
| padding: 9px 12px; | |
| font-size: 14px; | |
| font-weight: 500; | |
| } | |
| /* ---------- Markdown body ---------- */ | |
| .md-body { | |
| line-height: 1.65; | |
| } | |
| .md-body .md-p { margin: 0 0 10px; } | |
| .md-body .md-p:last-child { margin-bottom: 0; } | |
| .md-body .md-h { | |
| margin: 12px 0 6px; | |
| font-family: var(--font-display); | |
| font-size: 16px; | |
| font-weight: 700; | |
| color: var(--ink); | |
| } | |
| .md-body .md-ul { | |
| margin: 6px 0 10px; | |
| padding-left: 24px; | |
| } | |
| .md-body .md-li { margin: 2px 0; } | |
| .md-body .md-num { margin: 4px 0; } | |
| .md-body .md-num > span { color: var(--accent); font-weight: 700; margin-right: 4px; } | |
| .md-body .md-code { | |
| padding: 2px 6px; | |
| border-radius: 6px; | |
| background: var(--bg-muted); | |
| font-family: var(--font-mono); | |
| font-size: 0.92em; | |
| } | |
| .md-body .md-pre { | |
| padding: 12px; | |
| border-radius: var(--radius-sm); | |
| background: var(--bg-muted); | |
| border: 1px solid var(--border); | |
| font-family: var(--font-mono); | |
| font-size: 13px; | |
| overflow-x: auto; | |
| white-space: pre; | |
| } | |
| .md-body strong { color: var(--ink); } | |
| .feedback-body { | |
| padding: var(--space-4); | |
| border-radius: var(--radius-sm); | |
| background: var(--bg-muted); | |
| border: 1px solid var(--border); | |
| margin-top: 6px; | |
| } | |
| /* ---------- Chunk meta bar ---------- */ | |
| .chunk-meta { | |
| display: inline-flex; | |
| align-items: center; | |
| gap: var(--space-2); | |
| padding: 6px 10px; | |
| border-radius: var(--radius-sm); | |
| background: var(--accent-soft); | |
| color: var(--accent-ink); | |
| font-size: 12px; | |
| font-weight: 600; | |
| } | |
| /* ---------- Responsive ---------- */ | |
| @media (max-width: 900px) { | |
| .step-head, | |
| .section-head, | |
| .submission-card__summary, | |
| .assignment-card__head, | |
| .feedback-card__head, | |
| .student-card__head, | |
| .confirm-box { | |
| flex-direction: column; | |
| align-items: stretch; | |
| } | |
| .rubric-grid, | |
| .rubric-levels { grid-template-columns: 1fr; } | |
| .topbar { padding: var(--space-3) var(--space-4); } | |
| .container { padding: var(--space-4) var(--space-4) var(--space-12); } | |
| .panel { padding: var(--space-4); } | |
| } | |
| @media (max-width: 600px) { | |
| .hero { margin: var(--space-5) var(--space-3); padding: var(--space-6) var(--space-5); } | |
| .hero h1 { font-size: 28px; } | |
| .hero__lead { font-size: 16px; } | |
| .inline-actions, | |
| .action-row, | |
| .confirm-box__actions { | |
| flex-direction: column; | |
| align-items: stretch; | |
| } | |
| .btn, .btn--block { width: 100%; } | |
| .brand__mark { width: 24px; height: 24px; font-size: 12px; } | |
| .pill { font-size: 11px; padding: 5px 10px; } | |
| /* Narrow-screen grading ergonomics — keep buttons thumb-reachable. */ | |
| .submission-card__actions { | |
| flex-wrap: wrap; | |
| gap: var(--space-2); | |
| width: 100%; | |
| justify-content: flex-start; | |
| } | |
| .grade-select { | |
| width: 100%; | |
| justify-content: space-between; | |
| } | |
| .grade-select__btn { | |
| flex: 1 1 auto; | |
| } | |
| /* Keyboard hints are useless on touch — hide them. */ | |
| .kbd { display: none; } | |
| } | |
| /* ---------- AI-native micro-interactions ---------- */ | |
| /* Typing indicator: three dots that pulse while the model is generating. | |
| Used next to the "Сгенерировать черновик" button during inference. */ | |
| .typing-dots { | |
| display: inline-flex; | |
| gap: 4px; | |
| align-items: center; | |
| padding: 4px 10px; | |
| border-radius: var(--radius-full); | |
| background: var(--accent-soft); | |
| } | |
| .typing-dots span { | |
| width: 6px; | |
| height: 6px; | |
| border-radius: 50%; | |
| background: var(--accent); | |
| animation: typingDot 1.4s infinite ease-in-out both; | |
| } | |
| .typing-dots span:nth-child(1) { animation-delay: -0.32s; } | |
| .typing-dots span:nth-child(2) { animation-delay: -0.16s; } | |
| .typing-dots span:nth-child(3) { animation-delay: 0s; } | |
| @keyframes typingDot { | |
| 0%, 80%, 100% { | |
| transform: scale(0.7); | |
| opacity: 0.4; | |
| } | |
| 40% { | |
| transform: scale(1); | |
| opacity: 1; | |
| } | |
| } | |
| /* Streaming text reveal: subtle fade-up on newly-rendered content so the | |
| AI-generated draft feels alive rather than plopped in. */ | |
| .stream-in { | |
| animation: streamIn 320ms var(--ease-standard) both; | |
| } | |
| @keyframes streamIn { | |
| from { | |
| opacity: 0; | |
| transform: translateY(4px); | |
| } | |
| to { | |
| opacity: 1; | |
| transform: translateY(0); | |
| } | |
| } | |
| /* Pulse: used on draft-in-progress cards or pending notifications. */ | |
| .pulse-accent { | |
| position: relative; | |
| } | |
| .pulse-accent::before { | |
| content: ""; | |
| position: absolute; | |
| inset: -2px; | |
| border-radius: inherit; | |
| box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 40%, transparent); | |
| animation: pulseRing 2s infinite; | |
| pointer-events: none; | |
| } | |
| @keyframes pulseRing { | |
| 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 40%, transparent); } | |
| 70% { box-shadow: 0 0 0 10px color-mix(in srgb, var(--accent) 0%, transparent); } | |
| 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 0%, transparent); } | |
| } | |
| @media (prefers-reduced-motion: reduce) { | |
| .typing-dots span, | |
| .stream-in, | |
| .pulse-accent::before { | |
| animation: none; | |
| } | |
| } | |
| /* ---------- Skeleton loaders ---------- */ | |
| .skeleton { | |
| position: relative; | |
| background: linear-gradient( | |
| 90deg, | |
| var(--bg-muted) 0%, | |
| color-mix(in srgb, var(--bg-muted) 60%, var(--surface-strong)) 50%, | |
| var(--bg-muted) 100% | |
| ); | |
| background-size: 200% 100%; | |
| animation: shimmer 1.4s ease-in-out infinite; | |
| border-radius: var(--radius-sm); | |
| color: transparent; | |
| pointer-events: none; | |
| user-select: none; | |
| } | |
| .skeleton-row { | |
| height: 80px; | |
| margin-bottom: var(--space-2); | |
| } | |
| @keyframes shimmer { | |
| from { background-position: 200% 0; } | |
| to { background-position: -200% 0; } | |
| } | |
| @media (prefers-reduced-motion: reduce) { | |
| .skeleton { animation: none; } | |
| } | |
| /* ---------- Filter chip count badge ---------- */ | |
| .chip .chip-count { | |
| display: inline-flex; | |
| align-items: center; | |
| justify-content: center; | |
| margin-left: 6px; | |
| padding: 0 6px; | |
| height: 18px; | |
| min-width: 18px; | |
| border-radius: 999px; | |
| background: color-mix(in srgb, currentColor 15%, transparent); | |
| font-size: 11px; | |
| font-weight: 700; | |
| } | |
| .chip[aria-pressed="true"] .chip-count { | |
| background: rgba(255, 255, 255, 0.25); | |
| color: inherit; | |
| } | |
| /* ---------- Course switcher pending pip ---------- */ | |
| .course-switcher__pending { | |
| display: inline-flex; | |
| align-items: center; | |
| justify-content: center; | |
| padding: 2px 7px; | |
| border-radius: var(--radius-full); | |
| background: var(--warm); | |
| color: #fff; | |
| font-size: 11px; | |
| font-weight: 700; | |
| margin: 0 4px; | |
| min-width: 20px; | |
| } | |
| /* ---------- Auth hero mark ---------- */ | |
| .auth-hero-mark { | |
| width: 64px; | |
| height: 64px; | |
| border-radius: 16px; | |
| display: inline-flex; | |
| align-items: center; | |
| justify-content: center; | |
| background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 40%, var(--warm))); | |
| color: #fff; | |
| font-family: var(--font-display); | |
| font-weight: 800; | |
| font-size: 34px; | |
| margin-bottom: var(--space-4); | |
| box-shadow: 0 16px 40px color-mix(in srgb, var(--accent) 35%, transparent); | |
| } | |
| /* ---------- Two-column auth panel (login page "why account" section) ---------- */ | |
| .auth-why { | |
| display: grid; | |
| grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); | |
| gap: var(--space-4); | |
| margin-top: var(--space-3); | |
| } | |
| .auth-why__item { | |
| display: grid; | |
| gap: 4px; | |
| } | |
| .auth-why__item .icon { | |
| font-size: 20px; | |
| color: var(--accent); | |
| } | |
| .auth-why__item h4 { | |
| font-size: 14px; | |
| font-weight: 700; | |
| color: var(--ink); | |
| } | |
| .auth-why__item p { | |
| font-size: 13px; | |
| color: var(--ink-muted); | |
| line-height: 1.5; | |
| } | |
| /* ---------- Shortcut cheatsheet table ---------- */ | |
| .shortcut-table { | |
| width: 100%; | |
| border-collapse: collapse; | |
| font-size: 14px; | |
| } | |
| .shortcut-table td { | |
| padding: 8px 10px; | |
| border-bottom: 1px solid var(--border); | |
| } | |
| .shortcut-table td:first-child { | |
| width: 140px; | |
| white-space: nowrap; | |
| } | |
| .shortcut-table tr:last-child td { | |
| border-bottom: 0; | |
| } | |
| @media (prefers-reduced-motion: reduce) { | |
| html { scroll-behavior: auto; } | |
| *, *::before, *::after { | |
| animation: none ; | |
| transition: none ; | |
| } | |
| } | |
| /* ---------- Utility ---------- */ | |
| .visually-hidden { | |
| position: absolute ; | |
| width: 1px; | |
| height: 1px; | |
| padding: 0; | |
| margin: -1px; | |
| overflow: hidden; | |
| clip: rect(0, 0, 0, 0); | |
| white-space: nowrap; | |
| border: 0; | |
| } | |
| .text-muted { color: var(--ink-muted); } | |
| .text-accent { color: var(--accent); } | |
| .text-sm { font-size: 13px; } | |
| .text-xs { font-size: 12px; } | |
| /* Legacy card class kept for index page */ | |
| .card { | |
| padding: var(--space-5); | |
| background: var(--surface-strong); | |
| border: 1px solid var(--border); | |
| border-radius: var(--radius-lg); | |
| box-shadow: var(--shadow-sm); | |
| } | |
| .grid { | |
| max-width: var(--container-narrow); | |
| margin: 0 auto var(--space-12); | |
| display: grid; | |
| grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); | |
| gap: var(--space-4); | |
| padding: 0 var(--space-5); | |
| } | |
| .stats { | |
| display: grid; | |
| grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); | |
| gap: var(--space-3); | |
| margin-top: var(--space-4); | |
| } | |
| .stat { | |
| padding: var(--space-4); | |
| border-radius: var(--radius-md); | |
| background: var(--surface-strong); | |
| border: 1px solid var(--border); | |
| } | |