/* Hallmark · shape: full-bleed · genre: playful · theme: brand · redesign: full · hero: stage · nav: sidebar · footer: colophon · signature: cobalt-bento
 * paper: oklch(96.8% 0.014 242) · accent: oklch(48% 0.125 245) · display: Outfit · body: Be Vietnam Pro
 * axes: light/geometric-sans/cool · posture: committed · contrast: pass · fold: pass · v2.1.0 */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 · weakest: S, fused sunlit anime campus entry with MapStudy Ocean Cobalt navigation, crisp tinted-porcelain bento cards, vivid Edu stat blocks, and live exam countdown tiles */
/* Hallmark · waive 38iii · .hero-accent-word in h1 · Ms. Mai Huynh English highlights the teacher name in Ocean Cobalt inside the welcome heading */

:root {
  /* Core MapStudy x Edu Palette (Ice Sky Canvas, Tinted Porcelain Cards, Ocean Cobalt Ink) */
  --color-paper: oklch(96.8% 0.012 242);
  --color-paper-2: oklch(99.4% 0.004 242);
  --color-paper-3: oklch(94.6% 0.022 242);
  --color-ink: oklch(21% 0.045 252);
  --color-ink-2: #295779;
  --color-muted: oklch(47% 0.032 252);
  --color-rule: oklch(91% 0.008 242);
  --color-rule-strong: oklch(84% 0.014 242);

  --color-primary: #155E94;
  --color-primary-light: #2470AA;
  --color-primary-dark: #0F4670;
  --color-secondary-typo: #295779;

  --color-accent: #155E94;
  --color-accent-dark: #0F4670;
  --color-accent-soft: #E8F2FC;
  --color-accent-soft-hover: #DCEBFA;
  --color-accent-border-soft: #BAE6FD;
  --color-accent-border: #38BDF8;
  --color-rail-subtext: #BAE6FD;
  --trophy-silver-ink: #0284C7;
  --color-accent-ink: oklch(99.4% 0.004 242);
  --color-focus: #155E94;

  --surface-sky-pill: #0369A1;
  --surface-sky-pill-hover: #025583;
  --surface-ink-pill: oklch(21% 0.045 252);
  --surface-ink-pill-hover: oklch(28% 0.045 252);

  --color-success-soft: #ECFDF5;
  --color-success-ink: #065F46;
  --tint-amber-soft: #FEF3C7;
  --color-amber-rule: #E48A24;
  --color-amber-ink: #92400E;

  --color-tab-strip: #F1F6FC;
  --color-nav-tint: rgba(252, 254, 255, 0.94);
  --color-nav-border: rgba(21, 94, 148, 0.14);
  --color-pill-border: rgba(21, 94, 148, 0.24);
  --color-accent-tint: rgba(21, 94, 148, 0.08);
  --color-selection: rgba(21, 94, 148, 0.18);
  --color-tagline-rule: rgba(21, 94, 148, 0.32);
  --color-modal-veil: rgba(15, 23, 42, 0.54);
  --color-teacher-rule: rgba(252, 254, 255, 0.24);
  --color-teacher-pill: rgba(252, 254, 255, 0.16);
  --color-scroll-track: rgba(21, 94, 148, 0.06);
  --color-scroll-thumb: rgba(71, 85, 105, 0.45);
  --color-scroll-thumb-hover: rgba(21, 94, 148, 0.72);

  /* Edu Signature Blocks & MapStudy Gradients */
  --grad-page: linear-gradient(180deg, #E8F2FC 0%, #F3F6FA 46%, oklch(98.2% 0.006 242) 100%);
  --grad-welcome-veil: linear-gradient(96deg, rgba(252, 254, 255, 0.92) 0%, rgba(252, 254, 255, 0.74) 36%, rgba(252, 254, 255, 0.06) 64%, transparent 100%);
  --grad-login-veil: linear-gradient(180deg, rgba(252, 254, 255, 0.12) 0%, rgba(252, 254, 255, 0.12) 100%);
  --grad-cobalt: linear-gradient(135deg, #155E94 0%, #2470AA 100%);
  --grad-teacher-banner: linear-gradient(115deg, #0F4670 0%, #155E94 55%, #2470AA 100%);
  --grad-rail: linear-gradient(180deg, #0E345A 0%, #114776 54%, #155E94 100%);
  --grad-compact-banner: linear-gradient(100deg, #0F4670 0%, #155E94 58%, #1E75B8 100%);
  --color-workspace: #F5F7FB;
  --rail-item-hover: rgba(255, 255, 255, 0.14);
  --rail-icon-muted: rgba(255, 255, 255, 0.84);
  --rail-tooltip-bg: #0D253E;
  --tile-amber-bg: #FFF3E8;
  --tile-amber-ink: #C2410C;
  --tile-violet-bg: #F3EEFF;
  --tile-violet-ink: #6D28D9;
  --tile-sky-bg: #EBF6FF;
  --tile-sky-ink: #0369A1;
  --tile-emerald-bg: #ECFDF5;
  --tile-emerald-ink: #047857;
  --grad-edu-orange: linear-gradient(135deg, #FF5A1F 0%, #D94108 100%);
  --grad-edu-violet: linear-gradient(135deg, #6D28D9 0%, #7C3AED 100%);
  --grad-edu-sky: linear-gradient(135deg, #0274B3 0%, #0EA5E9 100%);

  /* MapStudy Countdown Gradients */
  --grad-countdown-coral: linear-gradient(262.42deg, #FB644D 10.4%, #CE133F 91.7%);
  --border-countdown-coral: #E5545F;
  --grad-countdown-cobalt: linear-gradient(261.76deg, #1D8FE1 14.3%, #0077B6 90.1%);
  --border-countdown-cobalt: #208FD4;
  --grad-countdown-amber: linear-gradient(263.58deg, #F7B839 12.4%, #D45F00 91.6%);
  --border-countdown-amber: #E48A24;

  /* MapStudy Course Cover Gradients */
  --grad-cover-crimson: linear-gradient(135deg, #DC2626 0%, #991B1B 100%);
  --grad-cover-orange: linear-gradient(135deg, #EA580C 0%, #C2410C 100%);
  --grad-cover-cobalt: linear-gradient(135deg, #155E94 0%, #0F4670 100%);
  --grad-cover-violet: linear-gradient(135deg, #7C3AED 0%, #5B21B6 100%);
  --grad-cover-emerald: linear-gradient(135deg, #059669 0%, #047857 100%);

  /* Exam Card Pill Colors (WCAG AA >= 4.5:1 with White Text) */
  --pill-thpt-bg: #C2410C;
  --pill-online-bg: #0369A1;
  --pill-pdf-bg: #047857;
  --pill-listening-bg: #6D28D9;

  /* Shadows (Crisp <= 22px blur) */
  --shadow-nav: 0 4px 16px -4px rgba(15, 23, 42, 0.08);
  --shadow-card: 0 8px 18px -8px rgba(15, 23, 42, 0.08);
  --shadow-stage: 0 14px 22px -10px rgba(15, 23, 42, 0.14);
  --shadow-btn: 0 8px 18px -6px rgba(21, 94, 148, 0.34);
  --shadow-ink-btn: 0 10px 20px -6px rgba(15, 23, 42, 0.32);
  --shadow-rail-active: -4px 4px 12px -6px rgba(15, 23, 42, 0.28);
  --shadow-workspace: -8px 0 22px -12px rgba(15, 23, 42, 0.25);
  --shadow-dock: 0 -4px 16px -6px rgba(15, 23, 42, 0.12);
  --shadow-podium-gold: 0 10px 22px -8px rgba(245, 158, 11, 0.32);

  /* Exam Lobby, Podium & Sheet Tokens */
  --gold-podium-bg: #FFFBEB;
  --gold-podium-border: #FCD34D;
  --gold-podium-ink: #B45309;
  --silver-podium-bg: #F1F5F9;
  --silver-podium-border: #CBD5E1;
  --bronze-podium-bg: #FFF7ED;
  --bronze-podium-border: #FDBA74;
  --exam-option-active-bg: rgba(21, 94, 148, 0.06);

  /* Spacing Scale */
  --space-3xs: 2px;
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Typography Tokens (3 families max) */
  --font-display: 'Outfit', 'Be Vietnam Pro', system-ui, sans-serif;
  --font-body: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  --display-weight: 800;
  --tracking-display: -0.02em;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2.25rem;

  /* Radii & Motion */
  --radius-chip: 10px;
  --radius-btn: 12px;
  --radius-card: 18px;
  --radius-shell: 24px;
  --radius-pill: 9999px;
  --rule-hair: 1px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-micro: 140ms;
  --dur-short: 200ms;

  /* Confetti Colors */
  --confetti-1: #FF5A1F;
  --confetti-2: #0EA5E9;
  --confetti-3: #10B981;
  --confetti-4: #7C3AED;
  --confetti-5: #F59E0B;

  /* Social Provider Accents */
  --social-fb: #1877F2;
  --social-claimed-bg: #F1F5F9;

  /* Dark Mode Tokens (Cobalt Default) */
  --dark-paper: #0B1220;
  --dark-paper-2: #131F33;
  --dark-paper-3: #192841;
  --dark-workspace: #0E1728;
  --dark-ink: #E8EFF8;
  --dark-ink-2: #93C5FD;
  --dark-muted: #9FB0C7;
  --dark-rule: rgba(148, 163, 184, 0.16);
  --dark-rule-strong: rgba(148, 163, 184, 0.28);
  --dark-primary: #2580C9;
  --dark-primary-light: #38BDF8;
  --dark-primary-dark: #155E94;
  --dark-accent: #60A5FA;
  --dark-accent-soft: rgba(56, 189, 248, 0.14);
  --dark-accent-soft-hover: rgba(56, 189, 248, 0.22);
  --dark-accent-border-soft: rgba(56, 189, 248, 0.34);
  --dark-accent-border: #38BDF8;
  --dark-trophy-silver-ink: #7DD3FC;
  --dark-surface-ink-pill: #1E293B;
  --dark-surface-ink-pill-hover: #334155;
  --dark-success-soft: rgba(16, 185, 129, 0.16);
  --dark-success-ink: #6EE7B7;
  --dark-amber-soft: rgba(245, 158, 11, 0.16);
  --dark-amber-ink: #FCD34D;
  --dark-tab-strip: #18263D;
  --dark-nav-tint: rgba(11, 18, 32, 0.88);
  --dark-nav-border: rgba(148, 163, 184, 0.18);
  --dark-pill-border: rgba(96, 165, 250, 0.32);
  --dark-accent-tint: rgba(56, 189, 248, 0.12);
  --dark-selection: rgba(56, 189, 248, 0.24);
  --dark-tagline-rule: rgba(147, 197, 253, 0.38);
  --dark-modal-veil: rgba(2, 6, 23, 0.72);
  --dark-scroll-track: rgba(148, 163, 184, 0.08);
  --dark-scroll-thumb: rgba(148, 163, 184, 0.35);
  --dark-scroll-thumb-hover: rgba(96, 165, 250, 0.65);
  --dark-grad-page: linear-gradient(180deg, #09101D 0%, #0D1627 50%, #0B1220 100%);
  --dark-grad-welcome-veil: linear-gradient(96deg, rgba(11, 18, 32, 0.94) 0%, rgba(11, 18, 32, 0.80) 40%, rgba(11, 18, 32, 0.34) 68%, rgba(11, 18, 32, 0.12) 100%);
  --dark-grad-login-veil: linear-gradient(180deg, rgba(11, 18, 32, 0.52) 0%, rgba(11, 18, 32, 0.62) 100%);
  --dark-grad-rail: linear-gradient(180deg, #07192D 0%, #0C2A49 54%, #103A63 100%);
  --dark-tile-amber-bg: rgba(245, 158, 11, 0.15);
  --dark-tile-violet-bg: rgba(139, 92, 246, 0.17);
  --dark-tile-violet-ink: #C4B5FD;
  --dark-tile-sky-bg: rgba(14, 165, 233, 0.16);
  --dark-tile-sky-ink: #7DD3FC;
  --dark-gold-podium-bg: rgba(245, 158, 11, 0.14);
  --dark-gold-podium-border: rgba(251, 191, 36, 0.45);
  --dark-gold-podium-ink: #FDE68A;
  --dark-silver-podium-bg: rgba(148, 163, 184, 0.14);
  --dark-silver-podium-border: rgba(148, 163, 184, 0.35);
  --dark-bronze-podium-bg: rgba(249, 115, 22, 0.14);
  --dark-bronze-podium-border: rgba(251, 146, 60, 0.42);
  --dark-claimed-bg: #172338;
  --dark-login-card-bg: rgba(19, 31, 51, 0.9);
  --dark-slate-200: #24354F;
  --dark-text-secondary: #CBD5E1;
  --dark-placeholder: #7D91AD;
  --dark-rose-bg: rgba(244, 63, 94, 0.16);
  --dark-rose-ink: #FDA4AF;
  --dark-indigo-bg: rgba(99, 102, 241, 0.16);
  --dark-shadow-nav: 0 4px 16px -4px rgba(2, 6, 23, 0.55);
  --dark-shadow-stage: 0 14px 22px -10px rgba(2, 6, 23, 0.65);
}

/* Second Theme Palette: Ngọc Lục Bảo (Academic Emerald & Sage) */
:root[data-theme="emerald"] {
  --color-paper: oklch(97.2% 0.011 168);
  --color-paper-2: oklch(99.5% 0.004 168);
  --color-paper-3: oklch(94.8% 0.019 168);
  --color-ink: oklch(21% 0.04 176);
  --color-ink-2: #115E59;
  --color-muted: oklch(46% 0.028 176);
  --color-rule: oklch(91% 0.009 168);
  --color-rule-strong: oklch(84% 0.015 168);

  --color-primary: #0F766E;
  --color-primary-light: #14968B;
  --color-primary-dark: #0A534D;
  --color-secondary-typo: #115E59;

  --color-accent: #0F766E;
  --color-accent-dark: #0A534D;
  --color-accent-soft: #E6F6F3;
  --color-accent-soft-hover: #D2EEE9;
  --color-accent-border-soft: #99E2D6;
  --color-accent-border: #2DD4BF;
  --color-rail-subtext: #A7F3D0;
  --trophy-silver-ink: #0D9488;
  --color-accent-ink: oklch(99.5% 0.004 168);
  --color-focus: #0F766E;

  --surface-sky-pill: #0D9488;
  --surface-sky-pill-hover: #0F766E;
  --color-tab-strip: #EDF7F5;
  --color-nav-tint: rgba(251, 254, 253, 0.94);
  --color-nav-border: rgba(15, 118, 110, 0.14);
  --color-pill-border: rgba(15, 118, 110, 0.24);
  --color-accent-tint: rgba(15, 118, 110, 0.08);
  --color-selection: rgba(15, 118, 110, 0.18);
  --color-tagline-rule: rgba(15, 118, 110, 0.34);
  --color-scroll-track: rgba(15, 118, 110, 0.06);
  --color-scroll-thumb-hover: rgba(15, 118, 110, 0.72);

  --grad-page: linear-gradient(180deg, #E6F6F3 0%, #F1F8F6 46%, oklch(98.4% 0.006 168) 100%);
  --grad-cobalt: linear-gradient(135deg, #0F766E 0%, #14968B 100%);
  --grad-teacher-banner: linear-gradient(115deg, #0A534D 0%, #0F766E 55%, #14968B 100%);
  --grad-rail: linear-gradient(180deg, #063834 0%, #0A534D 54%, #0F766E 100%);
  --grad-compact-banner: linear-gradient(100deg, #0A534D 0%, #0F766E 58%, #14968B 100%);
  --color-workspace: #F3F8F7;
  --rail-tooltip-bg: #052E2B;
  --shadow-btn: 0 8px 18px -6px rgba(15, 118, 110, 0.34);
  --exam-option-active-bg: rgba(15, 118, 110, 0.07);
  --dark-ink-2: #5EEAD4;
  --dark-primary: #0D9488;
  --dark-primary-light: #2DD4BF;
  --dark-accent: #2DD4BF;
  --dark-accent-soft: rgba(45, 212, 191, 0.15);
  --dark-accent-soft-hover: rgba(45, 212, 191, 0.24);
  --dark-accent-border-soft: rgba(45, 212, 191, 0.34);
  --dark-pill-border: rgba(45, 212, 191, 0.32);
  --dark-grad-rail: linear-gradient(180deg, #042421 0%, #073833 54%, #0B524B 100%);
  --dark-accent-tint: rgba(45, 212, 191, 0.12);
}

/* Third Theme Palette: Đỏ Hồng Ngọc (Academic Crimson & Warm Rose) */
:root[data-theme="crimson"] {
  --color-paper: oklch(97.2% 0.01 16);
  --color-paper-2: oklch(99.5% 0.004 16);
  --color-paper-3: oklch(94.8% 0.018 16);
  --color-ink: oklch(21% 0.042 18);
  --color-ink-2: #7F1D1D;
  --color-muted: oklch(46% 0.03 18);
  --color-rule: oklch(91% 0.01 16);
  --color-rule-strong: oklch(84% 0.016 16);

  --color-primary: #B41625;
  --color-primary-light: #D11D30;
  --color-primary-dark: #88111D;
  --color-secondary-typo: #881337;

  --color-accent: #B41625;
  --color-accent-dark: #88111D;
  --color-accent-soft: #FCE8EC;
  --color-accent-soft-hover: #F9D5DC;
  --color-accent-border-soft: #F4B8C4;
  --color-accent-border: #E11D48;
  --color-rail-subtext: #FECDD3;
  --trophy-silver-ink: #BE123C;
  --color-accent-ink: oklch(99.5% 0.004 16);
  --color-focus: #B41625;

  --surface-sky-pill: #B41625;
  --surface-sky-pill-hover: #88111D;
  --surface-ink-pill: #B41625;
  --surface-ink-pill-hover: #88111D;
  --color-tab-strip: #FDF2F4;
  --color-nav-tint: rgba(255, 251, 252, 0.94);
  --color-nav-border: rgba(180, 22, 37, 0.14);
  --color-pill-border: rgba(180, 22, 37, 0.24);
  --color-accent-tint: rgba(180, 22, 37, 0.08);
  --color-selection: rgba(180, 22, 37, 0.18);
  --color-tagline-rule: rgba(180, 22, 37, 0.34);
  --color-scroll-track: rgba(180, 22, 37, 0.06);
  --color-scroll-thumb-hover: rgba(180, 22, 37, 0.72);

  --grad-page: linear-gradient(180deg, #FCE8EC 0%, #F9F2F4 46%, oklch(98.4% 0.005 16) 100%);
  --grad-cobalt: linear-gradient(135deg, #B41625 0%, #D11D30 100%);
  --grad-teacher-banner: linear-gradient(115deg, #7A101B 0%, #B41625 55%, #D11D30 100%);
  --grad-rail: linear-gradient(180deg, #5C0E18 0%, #7F1522 54%, #9E1B2A 100%);
  --grad-compact-banner: linear-gradient(100deg, #7A101B 0%, #B41625 58%, #D11D30 100%);
  --color-workspace: #FAF4F5;
  --rail-tooltip-bg: #450A11;
  --shadow-btn: 0 8px 18px -6px rgba(180, 22, 37, 0.34);
  --shadow-ink-btn: 0 10px 20px -6px rgba(180, 22, 37, 0.34);
  --exam-option-active-bg: rgba(180, 22, 37, 0.07);
  --dark-ink-2: #FDA4AF;
  --dark-primary: #C81E32;
  --dark-primary-light: #FB7185;
  --dark-accent: #FB7185;
  --dark-accent-soft: rgba(251, 113, 133, 0.16);
  --dark-accent-soft-hover: rgba(251, 113, 133, 0.24);
  --dark-accent-border-soft: rgba(251, 113, 133, 0.36);
  --dark-pill-border: rgba(251, 113, 133, 0.34);
  --dark-grad-rail: linear-gradient(180deg, #2D070D 0%, #4C0C16 54%, #6D1320 100%);
  --dark-accent-tint: rgba(251, 113, 133, 0.12);
}

/* Dark Mode Palette (Mapped cleanly from Tokens) */
:root[data-color-mode="dark"] {
  --color-paper: var(--dark-paper);
  --color-paper-2: var(--dark-paper-2);
  --color-paper-3: var(--dark-paper-3);
  --color-workspace: var(--dark-workspace);
  --color-ink: var(--dark-ink);
  --color-ink-2: var(--dark-ink-2);
  --color-muted: var(--dark-muted);
  --color-rule: var(--dark-rule);
  --color-rule-strong: var(--dark-rule-strong);
  --color-primary: var(--dark-primary);
  --color-primary-light: var(--dark-primary-light);
  --color-primary-dark: var(--dark-primary-dark);
  --color-secondary-typo: var(--dark-ink-2);
  --color-accent: var(--dark-accent);
  --color-accent-dark: var(--dark-primary);
  --color-accent-soft: var(--dark-accent-soft);
  --color-accent-soft-hover: var(--dark-accent-soft-hover);
  --color-accent-border-soft: var(--dark-accent-border-soft);
  --color-accent-border: var(--dark-accent-border);
  --trophy-silver-ink: var(--dark-trophy-silver-ink);
  --color-focus: var(--dark-accent);
  --surface-ink-pill: var(--dark-surface-ink-pill);
  --surface-ink-pill-hover: var(--dark-surface-ink-pill-hover);
  --color-success-soft: var(--dark-success-soft);
  --color-success-ink: var(--dark-success-ink);
  --tint-amber-soft: var(--dark-amber-soft);
  --color-amber-ink: var(--dark-amber-ink);
  --color-tab-strip: var(--dark-tab-strip);
  --color-nav-tint: var(--dark-nav-tint);
  --color-nav-border: var(--dark-nav-border);
  --color-pill-border: var(--dark-pill-border);
  --color-accent-tint: var(--dark-accent-tint);
  --color-selection: var(--dark-selection);
  --color-tagline-rule: var(--dark-tagline-rule);
  --color-modal-veil: var(--dark-modal-veil);
  --color-scroll-track: var(--dark-scroll-track);
  --color-scroll-thumb: var(--dark-scroll-thumb);
  --color-scroll-thumb-hover: var(--dark-scroll-thumb-hover);
  --grad-page: var(--dark-grad-page);
  --grad-welcome-veil: var(--dark-grad-welcome-veil);
  --grad-login-veil: var(--dark-grad-login-veil);
  --grad-rail: var(--dark-grad-rail);
  --tile-amber-bg: var(--dark-tile-amber-bg);
  --tile-amber-ink: var(--dark-amber-ink);
  --tile-violet-bg: var(--dark-tile-violet-bg);
  --tile-violet-ink: var(--dark-tile-violet-ink);
  --tile-sky-bg: var(--dark-tile-sky-bg);
  --tile-sky-ink: var(--dark-tile-sky-ink);
  --tile-emerald-bg: var(--dark-success-soft);
  --tile-emerald-ink: var(--dark-success-ink);
  --gold-podium-bg: var(--dark-gold-podium-bg);
  --gold-podium-border: var(--dark-gold-podium-border);
  --gold-podium-ink: var(--dark-gold-podium-ink);
  --silver-podium-bg: var(--dark-silver-podium-bg);
  --silver-podium-border: var(--dark-silver-podium-border);
  --bronze-podium-bg: var(--dark-bronze-podium-bg);
  --bronze-podium-border: var(--dark-bronze-podium-border);
  --exam-option-active-bg: var(--dark-accent-tint);
  --social-claimed-bg: var(--dark-claimed-bg);
  --shadow-nav: var(--dark-shadow-nav);
  --shadow-card: var(--dark-shadow-nav);
  --shadow-stage: var(--dark-shadow-stage);
  --shadow-workspace: var(--dark-shadow-nav);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
  scrollbar-color: var(--color-muted) var(--color-paper);
  scroll-padding-top: var(--space-2xl);
}

body {
  margin: 0;
  min-height: 100svh;
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: 1.55;
  color: var(--color-ink);
  background: var(--grad-page);
  caret-color: var(--color-accent);
  -webkit-font-smoothing: antialiased;
}

#app {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

#app > main {
  flex: 1 0 auto;
}

::selection {
  background: var(--color-selection);
  color: var(--color-ink);
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

[hidden],
i[data-lucide]:empty {
  display: none !important;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  font-synthesis: none;
  letter-spacing: var(--tracking-display);
  line-height: 1.18;
  overflow-wrap: break-word;
  min-width: 0;
  text-wrap: balance;
}

.font-display,
.font-serif-hero {
  font-family: var(--font-display);
}

.font-accent {
  font-family: var(--font-display);
  font-weight: 700;
}

.font-sans-ui {
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: -0.015em;
}

.font-mono-code {
  font-family: var(--font-mono);
}

.num,
.figure,
.tabular-nums,
td.num,
#exam-countdown,
.countdown-digit-box,
.cover-numeral {
  font-variant-numeric: tabular-nums;
}

/* Compatible Utility Hooks Mapped to Ocean Cobalt System */
.text-brand-red,
.text-brand-red-dark {
  color: var(--color-primary);
}

.bg-brand-red {
  background-color: var(--color-primary);
  color: var(--color-accent-ink);
}

.border-brand-red {
  border-color: var(--color-primary);
}

.bg-paper-surface {
  background-color: var(--color-paper-2);
}

.text-ink-navy {
  color: var(--color-ink);
}

.text-ink-muted {
  color: var(--color-muted);
}

.hero-accent-word {
  color: var(--color-primary);
}

.hero-title {
  font-size: clamp(2.1rem, 3.8vw, 3.35rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--color-ink);
  max-width: 19ch;
}

/* Top Navigation Bar */
.top-nav-glass,
.top-nav-shell {
  background-color: var(--color-nav-tint);
  border-bottom: var(--rule-hair) solid var(--color-nav-border);
  box-shadow: var(--shadow-nav);
}

.brand-lockup-btn,
#brand-home-btn {
  white-space: nowrap;
  min-width: 0;
  flex-shrink: 1;
}

.brand-cobalt-badge {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: var(--radius-btn);
  background: var(--grad-cobalt);
  color: var(--color-accent-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-btn);
}

.brand-logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  transition: transform var(--dur-micro) var(--ease-out);
}

@media (min-width: 640px) {
  .brand-logo-img {
    height: 44px;
  }
}

.login-hero-logo {
  height: 84px;
  width: auto;
  object-fit: contain;
  display: block;
  margin-inline: auto;
}

.mobile-logo-tile {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  padding: var(--space-3xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-nav);
}

.top-tab-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-2xs);
  background-color: var(--color-tab-strip);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-pill);
  overflow-x: auto;
  white-space: nowrap;
  flex-wrap: nowrap;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.top-tab-bar::-webkit-scrollbar {
  display: none;
}

.nav-item-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-secondary-typo);
  border-radius: var(--radius-pill);
  white-space: nowrap;
  flex-shrink: 0;
  transition: color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
  cursor: pointer;
}

.nav-item-link:hover {
  color: var(--color-primary);
  background-color: var(--color-paper-2);
}

.nav-item-link.active {
  background-color: var(--color-primary);
  color: var(--color-accent-ink);
  font-weight: 700;
}

/* Buttons & Chips (One primary cobalt gradient CTA, quiet/ink/sky secondary actions) */
.btn-cobalt,
.btn-brand,
.btn-crimson {
  background: var(--grad-cobalt);
  color: var(--color-accent-ink);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-btn);
  transition: transform var(--dur-short) var(--ease-out), filter var(--dur-short) var(--ease-out);
  cursor: pointer;
}

.btn-cobalt:hover,
.btn-brand:hover,
.btn-crimson:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

.btn-ink-pill {
  background-color: var(--surface-ink-pill);
  color: var(--color-accent-ink);
  border-radius: var(--radius-pill);
  font-weight: 700;
  box-shadow: var(--shadow-ink-btn);
  transition: transform var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
  cursor: pointer;
}

.btn-ink-pill:hover {
  background-color: var(--surface-ink-pill-hover);
  transform: translateY(-1px);
}

.btn-sky-pill {
  background-color: var(--surface-sky-pill);
  color: var(--color-accent-ink);
  border-radius: var(--radius-pill);
  font-weight: 700;
  box-shadow: var(--shadow-btn);
  transition: transform var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
  cursor: pointer;
}

.btn-sky-pill:hover {
  background-color: var(--surface-sky-pill-hover);
  transform: translateY(-1px);
}

.btn-cobalt:active,
.btn-brand:active,
.btn-crimson:active,
.btn-ink-pill:active,
.btn-sky-pill:active,
button:active {
  transform: translateY(0);
}

.btn-cobalt:disabled,
.btn-brand:disabled,
.btn-crimson:disabled,
.btn-ink-pill:disabled,
.btn-sky-pill:disabled {
  color: var(--color-accent-ink);
  opacity: 0.72;
  cursor: not-allowed;
  filter: none;
  transform: none;
}

.btn-quiet:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  background-color: var(--color-paper-3);
  color: var(--color-muted);
  cursor: not-allowed;
}

.btn-quiet {
  background-color: var(--color-paper-2);
  color: var(--color-ink);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-pill);
  transition: background-color var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out), color var(--dur-micro) var(--ease-out);
  cursor: pointer;
}

.btn-quiet:hover {
  background-color: var(--color-paper-3);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.chip-tab {
  background-color: var(--color-paper-2);
  color: var(--color-secondary-typo);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-pill);
  transition: background-color var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out), color var(--dur-micro) var(--ease-out);
  cursor: pointer;
}

.chip-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.chip-tab.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-accent-ink);
}

/* Daylight Anime Hero Backgrounds (Zero Muddy Dark Washes) */
.hero-backdrop {
  position: relative;
  background-image: url('../assets/hero-school-gate.jpg');
  background-size: cover;
  background-position: center 62%;
  background-repeat: no-repeat;
}

.hero-backdrop.hero-campus-bg {
  background-image: url('../assets/hero-school-bg.jpg');
  background-position: center bottom;
}

.welcome-stage {
  flex: 1 0 auto;
  min-height: 36rem;
  padding-block: var(--space-xl) var(--space-3xl);
  padding-inline: var(--space-md);
  display: flex;
  align-items: flex-start;
}

.welcome-stage.hero-backdrop::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-welcome-veil);
  pointer-events: none;
}

.welcome-stage > :not(.bg-switcher-pill) {
  position: relative;
  z-index: 10;
}

.welcome-stage-inner {
  width: 100%;
  max-width: 72rem;
  margin-inline: auto;
}

.welcome-copy-zone {
  max-width: 37rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
  padding-top: var(--space-sm);
  padding-bottom: var(--space-2xl);
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 0;
}

.hero-tagline::before,
.hero-tagline::after {
  content: '';
  height: 2px;
  width: var(--space-lg);
  background: var(--color-tagline-rule);
}

.bg-switcher-pill {
  position: absolute;
  right: var(--space-lg);
  bottom: var(--space-lg);
  z-index: 15;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-pill);
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-pill-border);
  color: var(--color-ink);
  font-size: var(--text-xs);
  font-weight: 700;
  white-space: nowrap;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: border-color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out);
}

.bg-switcher-pill:hover {
  background-color: var(--color-paper-3);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Circular Rotating Stamp Badge */
.hero-stamp-badge {
  width: 5.5rem;
  height: 5.5rem;
  flex-shrink: 0;
  animation: stampSlowSpin 24s linear infinite;
}

@keyframes stampSlowSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Dedicated Login Screen Stage */
.login-screen-stage {
  position: relative;
  flex: 1 0 auto;
  min-height: 36rem;
  padding-block: var(--space-xl) var(--space-2xl);
  padding-inline: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-screen-stage::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-login-veil);
  pointer-events: none;
}

.login-screen-stage > :not(.bg-switcher-pill) {
  position: relative;
  z-index: 10;
}

.login-card-surface {
  width: 100%;
  max-width: 27rem;
  margin-inline: auto;
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-shell);
  box-shadow: var(--shadow-stage);
}

.pill-input-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background-color: var(--color-paper);
  border: 1.5px solid var(--color-rule-strong);
  border-radius: var(--radius-pill);
  padding: var(--space-xs) var(--space-md);
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}

.pill-input-wrap:focus-within {
  background-color: var(--color-paper-2);
  border-color: var(--color-primary);
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
}

/* Student Portal & Dashboard Shells */
.student-portal-shell {
  width: 100%;
  max-width: 72rem;
  margin-inline: auto;
}

.dashboard-shell {
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-shell);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.dashboard-main {
  background-color: var(--color-paper);
}

/* Edu Hero Card & Signature Vivid Color-Block Bento Cards */
.edu-hero-card {
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-shell);
  box-shadow: var(--shadow-card);
}

.edu-block-orange,
.edu-block-violet,
.edu-block-sky {
  border-radius: var(--radius-shell);
  color: var(--color-accent-ink);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur-short) var(--ease-out), filter var(--dur-short) var(--ease-out);
  cursor: pointer;
}

.edu-block-orange:hover,
.edu-block-violet:hover,
.edu-block-sky:hover {
  transform: translateY(-2px);
  filter: brightness(1.03);
}

.edu-block-orange {
  background: var(--grad-edu-orange);
}

.edu-block-violet {
  background: var(--grad-edu-violet);
}

.edu-block-sky {
  background: var(--grad-edu-sky);
}

.edu-white-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-2xs) var(--space-sm);
  border-radius: var(--radius-pill);
  background-color: var(--color-paper-2);
  color: var(--color-ink);
  font-size: var(--text-xs);
  font-weight: 700;
}

/* MapStudy Live Exam Countdown Banners */
.countdown-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(270px, 100%), 1fr));
  gap: var(--space-md);
}

.countdown-card {
  border-radius: var(--radius-card);
  padding: var(--space-md);
  color: var(--color-accent-ink);
  box-shadow: var(--shadow-card);
}

.countdown-card--coral,
.countdown-card.coral {
  background: var(--grad-countdown-coral);
  border: 2px solid var(--border-countdown-coral);
}

.countdown-card--cobalt,
.countdown-card.cobalt {
  background: var(--grad-countdown-cobalt);
  border: 2px solid var(--border-countdown-cobalt);
}

.countdown-card--amber,
.countdown-card.amber {
  background: var(--grad-countdown-amber);
  border: 2px solid var(--border-countdown-amber);
}

.countdown-digits {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-xs);
}

.countdown-digit-box {
  background-color: var(--color-paper-2);
  color: var(--color-ink);
  border-radius: var(--radius-btn);
  padding: var(--space-xs) var(--space-2xs);
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 700;
}

/* MapStudy Colorful Roman-Numeral Course Cover Cards */
.course-cover-art {
  position: relative;
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  color: var(--color-accent-ink);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  min-height: 8.5rem;
  overflow: hidden;
}

.cover-crimson {
  background: var(--grad-cover-crimson);
}

.cover-orange {
  background: var(--grad-cover-orange);
}

.cover-cobalt {
  background: var(--grad-cover-cobalt);
}

.cover-violet {
  background: var(--grad-cover-violet);
}

.cover-emerald {
  background: var(--grad-cover-emerald);
}

.cover-numeral {
  font-family: var(--font-display);
  font-size: 3.25rem;
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent-ink);
  opacity: 0.92;
}

/* MapStudy Exam Card Pills */
.exam-pill-thpt {
  background-color: var(--pill-thpt-bg);
  color: var(--color-accent-ink);
  border-radius: var(--radius-pill);
}

.exam-pill-online {
  background-color: var(--pill-online-bg);
  color: var(--color-accent-ink);
  border-radius: var(--radius-pill);
}

.exam-pill-pdf {
  background-color: var(--pill-pdf-bg);
  color: var(--color-accent-ink);
  border-radius: var(--radius-pill);
}

.exam-pill-listening {
  background-color: var(--pill-listening-bg);
  color: var(--color-accent-ink);
  border-radius: var(--radius-pill);
}

/* Standard Cards, Panels & Meta Pills */
.stat-card {
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-card);
  transition: border-color var(--dur-short) var(--ease-out);
}

.stat-card:hover {
  border-color: var(--color-primary);
}

.course-row-card {
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-card);
  transition: border-color var(--dur-short) var(--ease-out);
}

.course-row-card:hover {
  border-color: var(--color-primary-light);
}

.surface-panel {
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-card);
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-3xs) var(--space-xs);
  border-radius: var(--radius-chip);
  background-color: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule);
  color: var(--color-secondary-typo);
  font-size: var(--text-xs);
  font-weight: 600;
}

/* Teacher Banner */
.teacher-banner {
  background: var(--grad-teacher-banner);
  color: var(--color-accent-ink);
  border-radius: var(--radius-shell);
  box-shadow: var(--shadow-stage);
}

.teacher-kpi-pill {
  background-color: var(--color-teacher-pill);
  border: var(--rule-hair) solid var(--color-teacher-rule);
  border-radius: var(--radius-btn);
  color: var(--color-accent-ink);
}

/* Modal & Toast Surfaces */
.modal-backdrop-veil {
  background-color: var(--color-modal-veil);
}

.modal-card-panel {
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-stage);
}

.toast-stack {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  max-width: 24rem;
}

.toast-item {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-btn);
  font-size: var(--text-sm);
  font-weight: 600;
  box-shadow: var(--shadow-card);
  transition: opacity var(--dur-short) var(--ease-out);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-scroll-track);
}

::-webkit-scrollbar-thumb {
  background: var(--color-scroll-thumb);
  border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-scroll-thumb-hover);
}

/* Exam Palette Grid */
.palette-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-chip);
  font-size: var(--text-sm);
  font-weight: 700;
  border: 1.5px solid var(--color-rule-strong);
  background-color: var(--color-paper-2);
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out), color var(--dur-micro) var(--ease-out);
}

.palette-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.palette-btn.answered {
  background: var(--grad-cobalt);
  border-color: var(--color-primary);
  color: var(--color-accent-ink);
}

.palette-btn.flagged {
  background-color: var(--tint-amber-soft);
  border-color: var(--color-amber-rule);
  color: var(--color-amber-ink);
}

.palette-btn.current {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Celebratory CSS Confetti Layer (Score >= 8.0) */
.confetti-layer {
  position: relative;
  overflow: hidden;
  pointer-events: none;
}

.confetti-piece {
  position: absolute;
  width: 8px;
  height: 14px;
  border-radius: 2px;
  background-color: var(--confetti-1);
  animation: confettiFall 2.4s var(--ease-out) forwards;
}

.confetti-piece:nth-child(2n) {
  background-color: var(--confetti-2);
}

.confetti-piece:nth-child(3n) {
  background-color: var(--confetti-3);
}

.confetti-piece:nth-child(4n) {
  background-color: var(--confetti-4);
}

.confetti-piece:nth-child(5n) {
  background-color: var(--confetti-5);
}

@keyframes confettiFall {
  0% {
    transform: translateY(-24px) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(180px) rotate(320deg);
    opacity: 0;
  }
}

/* Compact Sidebar Icon Rail & Azota-Inspired Workspace Shell */
.portal-layout {
  display: flex;
  min-height: 100svh;
  width: 100%;
  background: var(--grad-rail);
}

.side-rail {
  width: 72px;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  height: 100svh;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-md) 0 var(--space-md) var(--space-xs);
  color: var(--color-accent-ink);
  z-index: 35;
}

.side-rail.is-expanded {
  width: 216px;
}

@media (min-width: 768px) {
  .side-rail {
    display: flex;
  }
}

.rail-brand-row {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-right: var(--space-xs);
  margin-bottom: var(--space-md);
}

.side-rail.is-expanded .rail-brand-row {
  justify-content: flex-start;
  padding-left: var(--space-xs);
}

.rail-brand-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-accent-ink);
  cursor: pointer;
}

.rail-logo-tile {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-teacher-rule);
  padding: var(--space-2xs);
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-nav);
  transition: transform var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out);
}

.rail-brand-btn:hover .rail-logo-tile {
  transform: scale(1.04);
  background-color: var(--color-accent-soft);
}

.rail-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.rail-nav-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  min-height: 48px;
  padding: 0 var(--space-sm);
  color: var(--rail-icon-muted);
  border-radius: 20px 0 0 20px;
  cursor: pointer;
  transition: background-color var(--dur-micro) var(--ease-out), color var(--dur-micro) var(--ease-out);
}

.side-rail.is-expanded .rail-nav-btn {
  justify-content: flex-start;
  padding-left: var(--space-md);
  padding-right: var(--space-sm);
}

.rail-nav-btn:hover {
  background-color: var(--rail-item-hover);
  color: var(--color-accent-ink);
}

.rail-nav-btn.active {
  background-color: var(--color-workspace);
  color: var(--color-primary);
  font-weight: 700;
}

.rail-nav-btn.active::before,
.rail-nav-btn.active::after {
  content: '';
  position: absolute;
  right: 0;
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.rail-nav-btn.active::before {
  top: -16px;
  background: radial-gradient(circle at 0 0, transparent 15.5px, var(--color-workspace) 16px);
}

.rail-nav-btn.active::after {
  bottom: -16px;
  background: radial-gradient(circle at 0 100%, transparent 15.5px, var(--color-workspace) 16px);
}

.rail-nav-btn:focus-visible {
  outline: 2px solid var(--color-accent-ink);
  outline-offset: -2px;
}

.side-rail:not(.is-expanded) .rail-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.side-rail.is-expanded .rail-label {
  font-size: 0.84rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rail-tooltip {
  position: absolute;
  left: calc(100% + var(--space-sm));
  top: 50%;
  transform: translateY(-50%) translateX(-4px);
  background-color: var(--rail-tooltip-bg);
  color: var(--color-accent-ink);
  padding: var(--space-2xs) var(--space-sm);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  box-shadow: var(--shadow-stage);
  transition: opacity var(--dur-micro) var(--ease-out), transform var(--dur-micro) var(--ease-out);
  z-index: 60;
}

.side-rail:not(.is-expanded) .rail-nav-btn:hover .rail-tooltip,
.side-rail:not(.is-expanded) .rail-nav-btn:focus-visible .rail-tooltip,
.side-rail:not(.is-expanded) .rail-foot-btn:hover .rail-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.side-rail.is-expanded .rail-tooltip {
  display: none;
}

.rail-footer-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-right: var(--space-xs);
}

.rail-foot-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  min-height: 40px;
  padding: 0 var(--space-xs);
  border-radius: 12px;
  color: var(--rail-icon-muted);
  cursor: pointer;
  transition: background-color var(--dur-micro) var(--ease-out), color var(--dur-micro) var(--ease-out);
}

.side-rail.is-expanded .rail-foot-btn {
  justify-content: flex-start;
  padding-left: var(--space-sm);
}

.rail-foot-btn:hover {
  background-color: var(--rail-item-hover);
  color: var(--color-accent-ink);
}

/* Right Workspace Container */
.portal-workspace {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background-color: var(--color-workspace);
  overflow-x: clip;
}

@media (min-width: 768px) {
  .portal-workspace {
    margin-left: 72px;
    border-top-left-radius: 28px;
    margin-top: var(--space-xs);
    box-shadow: var(--shadow-workspace);
  }

  .side-rail.is-expanded ~ .portal-workspace {
    margin-left: 216px;
  }
}

.workspace-topbar {
  position: sticky;
  top: 0;
  z-index: 25;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background-color: var(--color-paper-2);
  border-bottom: var(--rule-hair) solid var(--color-rule);
}

@media (min-width: 768px) {
  .workspace-topbar {
    padding: var(--space-xs) var(--space-lg);
    border-top-left-radius: 28px;
  }
}

.workspace-body {
  flex: 1 0 auto;
  width: 100%;
  max-width: 82rem;
  margin-inline: auto;
  padding: var(--space-md) var(--space-md) var(--space-lg);
}

@media (min-width: 768px) {
  .workspace-body {
    padding: 20px var(--space-lg) var(--space-lg);
  }
}

.workspace-colophon {
  margin-top: auto;
  border-top: var(--rule-hair) solid var(--color-rule);
  background-color: var(--color-paper-2);
  color: var(--color-muted);
  padding: var(--space-sm) var(--space-lg) 72px;
  font-size: 11.5px;
}

@media (min-width: 768px) {
  .workspace-colophon {
    padding: var(--space-sm) var(--space-lg);
  }
}

/* Mobile Bottom Dock */
.mobile-bottom-dock {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  height: 60px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-2xs);
  padding: var(--space-2xs) var(--space-xs);
  background-color: var(--color-paper-2);
  border-top: var(--rule-hair) solid var(--color-rule);
  box-shadow: var(--shadow-dock);
}

@media (min-width: 768px) {
  .mobile-bottom-dock {
    display: none;
  }
}

@media (max-width: 767px) {
  .toast-stack {
    bottom: 72px;
    right: var(--space-sm);
    left: var(--space-sm);
    max-width: none;
  }
}

.dock-item-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xs);
  border-radius: 12px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--color-muted);
  cursor: pointer;
  transition: color var(--dur-micro) var(--ease-out);
}

.dock-item-btn.active {
  color: var(--color-primary);
  font-weight: 800;
  box-shadow: inset 0 2px 0 var(--color-primary);
}

/* Compact Azota-Style Gradient Strip & Quick-Start Action Tiles */
.compact-banner {
  background: var(--grad-compact-banner);
  color: var(--color-accent-ink);
  border-radius: 16px;
  padding: var(--space-sm) 20px;
  box-shadow: var(--shadow-card);
}

.quick-tile {
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 16px;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: transform var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out), box-shadow var(--dur-micro) var(--ease-out);
}

.quick-tile:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-nav);
}

.quick-tile-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tile-amber {
  background-color: var(--tile-amber-bg);
  color: var(--tile-amber-ink);
}

.tile-violet {
  background-color: var(--tile-violet-bg);
  color: var(--tile-violet-ink);
}

.tile-sky {
  background-color: var(--tile-sky-bg);
  color: var(--tile-sky-ink);
}

.tile-emerald {
  background-color: var(--tile-emerald-bg);
  color: var(--tile-emerald-ink);
}

/* Compact 1-Line Exam Countdown Bar */
.countdown-strip {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-xs);
}

@media (min-width: 768px) {
  .countdown-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.countdown-mini-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  border-radius: 12px;
  color: var(--color-accent-ink);
  box-shadow: var(--shadow-card);
}

.countdown-mini-chip--amber {
  background: var(--grad-countdown-amber);
}

.countdown-mini-chip--coral {
  background: var(--grad-countdown-coral);
}

.countdown-mini-chip--cobalt {
  background: var(--grad-countdown-cobalt);
}

.countdown-mini-timer {
  background-color: var(--color-paper-2);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  padding: var(--space-2xs) var(--space-xs);
  border-radius: 8px;
  white-space: nowrap;
}

/* Pre-Exam Lobby, Leaderboard Podium & Minimalist Exam Sheet (Images 5-7 Style) */
.exam-lobby-card {
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 24px;
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
}

.exam-podium-slot {
  border-radius: 20px;
  padding: var(--space-md) var(--space-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.exam-podium-slot--1 {
  background-color: var(--gold-podium-bg);
  border: var(--rule-hair) solid var(--gold-podium-border);
  box-shadow: var(--shadow-podium-gold);
  min-height: 140px;
}

.exam-podium-slot--2 {
  background-color: var(--silver-podium-bg);
  border: var(--rule-hair) solid var(--silver-podium-border);
  min-height: 108px;
}

.exam-podium-slot--3 {
  background-color: var(--bronze-podium-bg);
  border: var(--rule-hair) solid var(--bronze-podium-border);
  min-height: 92px;
}

.exam-section-header {
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 16px;
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-card);
}

.exam-q-card {
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 20px;
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
}

.exam-sheet-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  text-align: left;
  padding: var(--space-xs) var(--space-md);
  border-radius: 12px;
  border: var(--rule-hair) solid var(--color-rule);
  background-color: var(--color-paper-2);
  color: var(--color-ink);
  cursor: pointer;
  transition: border-color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out);
}

.exam-sheet-option:hover {
  border-color: var(--color-primary-light);
  background-color: var(--color-workspace);
}

.exam-sheet-option.is-selected {
  border-color: var(--color-primary);
  background-color: var(--exam-option-active-bg);
  font-weight: 600;
}

.exam-option-badge {
  width: 28px;
  height: 28px;
  border-radius: 9999px;
  border: var(--rule-hair) solid var(--color-pill-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: var(--color-muted);
  background-color: var(--color-paper-2);
  flex-shrink: 0;
}

.exam-sheet-option.is-selected .exam-option-badge {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-accent-ink);
}

/* Footer Colophon (Rich MapStudy Cobalt with Crisp White Text) */
.site-colophon {
  margin-top: auto;
  background-color: var(--color-primary);
  border-top: var(--rule-hair) solid var(--color-primary-dark);
  color: var(--color-accent-ink);
}

/* Theme Settings Cards & Emerald Theme Utility Overrides */
.theme-choice-card {
  width: 100%;
  text-align: left;
  background-color: var(--color-paper-2);
  border: 1.5px solid var(--color-rule-strong);
  border-radius: 18px;
  padding: var(--space-md);
  cursor: pointer;
  transition: transform var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out), box-shadow var(--dur-micro) var(--ease-out);
}

.theme-choice-card:hover {
  transform: translateY(-1px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-card);
}

.theme-choice-card.is-active {
  border-color: var(--color-primary);
  background-color: var(--color-accent-soft);
  box-shadow: var(--shadow-nav);
}

.theme-mini-preview {
  display: grid;
  grid-template-columns: 26px 1fr;
  height: 76px;
  border-radius: 12px;
  overflow: hidden;
  border: var(--rule-hair) solid var(--color-rule-strong);
  margin-bottom: var(--space-sm);
}

:root[data-theme="crimson"] .surface-panel h1 {
  color: var(--color-ink-2);
}

:root[data-theme="emerald"] .bg-sky-50,
:root[data-theme="emerald"] .bg-sky-100,
:root[data-theme="crimson"] .bg-sky-50,
:root[data-theme="crimson"] .bg-sky-100 {
  background-color: var(--color-accent-soft);
}

:root[data-theme="emerald"] .hover\:bg-sky-50:hover,
:root[data-theme="emerald"] .hover\:bg-sky-100:hover,
:root[data-theme="crimson"] .hover\:bg-sky-50:hover,
:root[data-theme="crimson"] .hover\:bg-sky-100:hover {
  background-color: var(--color-accent-soft-hover);
}

:root[data-theme="emerald"] .file\:bg-sky-50::file-selector-button,
:root[data-theme="crimson"] .file\:bg-sky-50::file-selector-button {
  background-color: var(--color-accent-soft);
}

:root[data-theme="emerald"] .hover\:file\:bg-sky-100::file-selector-button:hover,
:root[data-theme="crimson"] .hover\:file\:bg-sky-100::file-selector-button:hover {
  background-color: var(--color-accent-soft-hover);
}

:root[data-theme="emerald"] .border-sky-200,
:root[data-theme="crimson"] .border-sky-200 {
  border-color: var(--color-accent-border-soft);
}

:root[data-theme="emerald"] .border-sky-400,
:root[data-theme="emerald"] .border-sky-600,
:root[data-theme="emerald"] .border-sky-700,
:root[data-theme="emerald"] .hover\:border-sky-300:hover,
:root[data-theme="emerald"] .focus\:border-sky-500:focus,
:root[data-theme="crimson"] .border-sky-400,
:root[data-theme="crimson"] .border-sky-600,
:root[data-theme="crimson"] .border-sky-700,
:root[data-theme="crimson"] .hover\:border-sky-300:hover,
:root[data-theme="crimson"] .focus\:border-sky-500:focus {
  border-color: var(--color-primary);
}

:root[data-theme="emerald"] .focus\:ring-sky-500:focus,
:root[data-theme="crimson"] .focus\:ring-sky-500:focus {
  --tw-ring-color: var(--color-primary);
}

:root[data-theme="emerald"] .text-sky-700,
:root[data-theme="emerald"] .text-sky-900,
:root[data-theme="crimson"] .text-sky-700,
:root[data-theme="crimson"] .text-sky-900 {
  color: var(--color-primary);
}

:root[data-theme="emerald"] .text-sky-200,
:root[data-theme="crimson"] .text-sky-200 {
  color: var(--color-rail-subtext);
}

:root[data-theme="emerald"] .text-sky-100,
:root[data-theme="crimson"] .text-sky-100 {
  color: var(--color-accent-soft);
}

/* Font Scale & Settings Center UI */
html[data-font-scale="large"] {
  font-size: 17px;
}

html[data-font-scale="xlarge"] {
  font-size: 18px;
}

.settings-tabs-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2xs);
  padding: var(--space-2xs);
  border-radius: 16px;
  background-color: var(--color-tab-strip);
  border: var(--rule-hair) solid var(--color-rule);
}

@media (max-width: 639px) {
  .settings-tabs-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.settings-tab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-muted);
  background-color: transparent;
  border: var(--rule-hair) solid transparent;
  cursor: pointer;
  transition: background-color var(--dur-micro) var(--ease-out), color var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out), box-shadow var(--dur-micro) var(--ease-out);
}

.settings-tab-btn:hover {
  color: var(--color-ink);
  background-color: var(--color-paper-2);
}

.settings-tab-btn.is-active {
  color: var(--color-primary);
  background-color: var(--color-paper-2);
  border-color: var(--color-accent-border-soft);
  box-shadow: var(--shadow-nav);
}

.settings-section-card {
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 18px;
  padding: var(--space-md);
}

.settings-option-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: var(--rule-hair) solid var(--color-rule);
}

.settings-option-row:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.settings-option-row:first-child {
  padding-top: 0;
}

.settings-pill-group {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
}

.settings-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-muted);
  background-color: var(--color-tab-strip);
  border: var(--rule-hair) solid var(--color-rule-strong);
  cursor: pointer;
  transition: background-color var(--dur-micro) var(--ease-out), color var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out);
}

.settings-pill-btn:hover {
  color: var(--color-ink);
  border-color: var(--color-primary-light);
}

.settings-pill-btn.is-active {
  color: var(--color-primary);
  background-color: var(--color-accent-soft);
  border-color: var(--color-primary);
}

.settings-switch {
  position: relative;
  width: 46px;
  height: 26px;
  border-radius: 9999px;
  background-color: var(--color-rule-strong);
  border: var(--rule-hair) solid var(--color-rule-strong);
  flex-shrink: 0;
  cursor: pointer;
  transition: background-color var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out);
}

.settings-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 9999px;
  background-color: var(--color-paper-2);
  box-shadow: var(--shadow-nav);
  transition: transform var(--dur-micro) var(--ease-out);
}

.settings-switch.is-on {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.settings-switch.is-on::after {
  transform: translateX(20px);
}

/* Social Auth & One-to-One Student Class/Name Picker */
.social-auth-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-pill);
  background-color: var(--color-paper-2);
  color: var(--color-ink);
  border: var(--rule-hair) solid var(--color-rule-strong);
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-nav);
  transition: transform var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out);
}

.social-auth-btn:hover {
  background-color: var(--color-tab-strip);
  border-color: var(--color-primary-light);
  transform: translateY(-1px);
}

.social-auth-btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.social-fb-glyph {
  color: var(--social-fb);
}

.social-divider {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 600;
}

.social-divider::before,
.social-divider::after {
  content: '';
  flex: 1;
  height: var(--rule-hair);
  background-color: var(--color-rule-strong);
}

.student-claim-list {
  max-height: 240px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-right: var(--space-2xs);
}

.student-claim-item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-btn);
  background-color: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule-strong);
  color: var(--color-ink);
  text-align: left;
  cursor: pointer;
  transition: border-color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out);
}

.student-claim-item:hover:not(:disabled) {
  border-color: var(--color-primary-light);
  background-color: var(--color-tab-strip);
}

.student-claim-item.is-selected {
  border-color: var(--color-primary);
  background-color: var(--color-accent-soft);
}

.student-claim-item.is-claimed,
.student-claim-item:disabled {
  background-color: var(--social-claimed-bg);
  border-color: var(--color-rule);
  color: var(--color-muted);
  opacity: 0.72;
  cursor: not-allowed;
}

.student-claim-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-2xs) var(--space-xs);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.student-claim-badge.is-available {
  background-color: var(--color-accent-soft);
  color: var(--color-primary);
}

.student-claim-badge.is-locked {
  background-color: var(--color-rule);
  color: var(--color-muted);
}

html[data-reduced-motion="1"] .hero-stamp-badge,
html[data-reduced-motion="1"] .confetti-piece {
  animation: none !important;
}

html[data-reduced-motion="1"] *,
html[data-reduced-motion="1"] *::before,
html[data-reduced-motion="1"] *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
  scroll-behavior: auto !important;
}

@media (prefers-reduced-motion: reduce) {
  .hero-stamp-badge,
  .confetti-piece {
    animation: none !important;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.app-body {
  -webkit-user-select: none;
  user-select: none;
}

input,
textarea,
select {
  -webkit-user-select: text;
  user-select: text;
}

#goog-gt-tt,
.goog-te-banner-frame,
.goog-te-balloon-frame,
.goog-te-menu-frame,
.goog-te-spinner-pos,
.goog-tooltip,
.VIpgJd-ZVi9od-ORHb-OEVmcd,
.VIpgJd-ZVi9od-aZ2wEe-wOHMyf {
  display: none !important;
  visibility: hidden !important;
}

/* Dark Mode Surface, Typography & Tailwind Utility Harmony */
:root[data-color-mode="dark"] .login-card-surface {
  background-color: var(--dark-login-card-bg);
  border-color: var(--color-rule-strong);
}

:root[data-color-mode="dark"] .text-brand-red {
  color: var(--color-accent);
}

:root[data-color-mode="dark"] .bg-white,
:root[data-color-mode="dark"] .bg-white\/95,
:root[data-color-mode="dark"] .bg-white\/90 {
  background-color: var(--color-paper-2) !important;
}

:root[data-color-mode="dark"] .bg-slate-50,
:root[data-color-mode="dark"] .bg-slate-100 {
  background-color: var(--color-paper-3) !important;
}

:root[data-color-mode="dark"] .bg-slate-200 {
  background-color: var(--dark-slate-200) !important;
  color: var(--color-ink);
}

:root[data-color-mode="dark"] .text-slate-900,
:root[data-color-mode="dark"] .text-slate-800 {
  color: var(--color-ink) !important;
}

:root[data-color-mode="dark"] .text-slate-700,
:root[data-color-mode="dark"] .text-slate-600 {
  color: var(--dark-text-secondary) !important;
}

:root[data-color-mode="dark"] .text-slate-500,
:root[data-color-mode="dark"] .text-slate-400 {
  color: var(--color-muted) !important;
}

:root[data-color-mode="dark"] .border-slate-200,
:root[data-color-mode="dark"] .border-slate-300,
:root[data-color-mode="dark"] .border-slate-100 {
  border-color: var(--color-rule-strong) !important;
}

:root[data-color-mode="dark"] .bg-sky-50 {
  background-color: var(--dark-tile-sky-bg) !important;
}

:root[data-color-mode="dark"] .bg-emerald-50 {
  background-color: var(--dark-success-soft) !important;
}

:root[data-color-mode="dark"] .bg-amber-50 {
  background-color: var(--dark-amber-soft) !important;
}

:root[data-color-mode="dark"] .bg-rose-50 {
  background-color: var(--dark-rose-bg) !important;
}

:root[data-color-mode="dark"] .bg-indigo-50 {
  background-color: var(--dark-indigo-bg) !important;
}

:root[data-color-mode="dark"] .text-amber-800,
:root[data-color-mode="dark"] .text-amber-700 {
  color: var(--dark-amber-ink) !important;
}

:root[data-color-mode="dark"] .text-emerald-800,
:root[data-color-mode="dark"] .text-emerald-700 {
  color: var(--dark-success-ink) !important;
}

:root[data-color-mode="dark"] .text-sky-800,
:root[data-color-mode="dark"] .text-sky-700 {
  color: var(--dark-tile-sky-ink) !important;
}

:root[data-color-mode="dark"] .text-rose-800,
:root[data-color-mode="dark"] .text-rose-700 {
  color: var(--dark-rose-ink) !important;
}

:root[data-color-mode="dark"] input,
:root[data-color-mode="dark"] textarea,
:root[data-color-mode="dark"] select {
  color: var(--color-ink);
  border-color: var(--color-rule-strong);
}

:root[data-color-mode="dark"] input::placeholder,
:root[data-color-mode="dark"] textarea::placeholder {
  color: var(--dark-placeholder);
}