/* ─────────────────────────────────────────────────────────────
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ───────────────────────────────────────────────────────────── */
@font-face {
  font-family: "Outfit";
  src: url("../fonts/Outfit/Outfit-VariableFont_wght.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
}

@font-face {
  font-family: "Zilla Slab";
  src: url("../fonts/ZillaSlab-Light.ttf") format("truetype");
  font-weight: 300;
  font-style: normal;
}

@font-face {
  font-family: "Zilla Slab";
  src: url("../fonts/ZillaSlab-LightItalic.ttf") format("truetype");
  font-weight: 300;
  font-style: italic;
}

@font-face {
  font-family: "Zilla Slab";
  src: url("../fonts/ZillaSlab-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: "Zilla Slab";
  src: url("../fonts/ZillaSlab-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
}

@font-face {
  font-family: "Zilla Slab";
  src: url("../fonts/ZillaSlab-MediumItalic.ttf") format("truetype");
  font-weight: 500;
  font-style: italic;
}

@font-face {
  font-family: "Zilla Slab";
  src: url("../fonts/ZillaSlab-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
}

@font-face {
  font-family: "Zilla Slab";
  src: url("../fonts/ZillaSlab-SemiBoldItalic.ttf") format("truetype");
  font-weight: 600;
  font-style: italic;
}

:root {
  /* ── Primary Brand Color ── */
  --color-primary: #583AFF;
  --color-primary-50: #F0EEFF;
  --color-primary-100: #E0DBFF;
  --color-primary-200: #C2B8FF;
  --color-primary-300: #9E8CFF;
  --color-primary-400: #7A5FFF;
  --color-primary-500: #583AFF;
  --color-primary-600: #4529E0;
  --color-primary-700: #361DB8;
  --color-primary-800: #27158A;
  --color-primary-900: #1A0E5C;
  
  --mine: #583AFF;

  /* ── Neutral Grayscale ── */
  --color-white: #FFFFFF;
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;
  --color-black: #000000;
  
  --card-bg: #c7c7c7;
  --card-border: #1E222B;

  /* ── Semantic Colors ── */
  --color-success: #10B981;
  --color-success-light: #D1FAE5;
  --color-success-dark: #065F46;
  --color-warning: #F59E0B;
  --color-warning-light: #FEF3C7;
  --color-warning-dark: #92400E;
  --color-danger: #EF4444;
  --color-danger-light: #FEE2E2;
  --color-danger-dark: #991B1B;
  --color-info: #3B82F6;
  --color-info-light: #DBEAFE;
  --color-info-dark: #1E40AF;

  /* ── Typography ── */
  --font-sans: var(--font), sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --font: "Outfit";
  --font-brand: "Zilla Slab", sans-serif;

  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* ── Spacing Scale ── */
  --space-0: 0;
  --space-px: 1px;
  --space-0-5: 0.125rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --space-40: 10rem;

  /* ── Border Radius ── */
  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-glow-primary: 0 0 20px rgba(88, 58, 255, 0.3);
  --shadow-glow-primary-lg: 0 0 40px rgba(88, 58, 255, 0.4);

  /* ── Transitions ── */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* ── Z-Index Scale ── */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;

  /* ── Container Widths ── */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;

  /* ── Logo Path ── */
  --logo-path: url("../images/logo.png");
}

/* ─────────────────────────────────────────────────────────────
   2. DARK MODE VARIABLES
   ───────────────────────────────────────────────────────────── */

@media (prefers-color-scheme: dark) {
  :root {
    /* ── Backgrounds ── */
    --bg-body: #0B0C10;
    --bg-surface: #111318;
    --bg-surface-elevated: #181B22;
    --bg-surface-hover: #1E222B;
    --bg-surface-active: #242936;
    --bg-overlay: rgba(0, 0, 0, 0.7);
    --bg-backdrop: rgba(0, 0, 0, 0.5);

    /* ── Text Colors ── */
    --text-primary: #F3F4F6;
    --text-secondary: #9CA3AF;
    --text-tertiary: #6B7280;
    --text-inverse: #111827;
    --text-muted: #4B5563;
    --mine: #F0EEFF;

    /* ── Borders ── */
    --border-default: #2A2E3A;
    --border-subtle: #1E222B;
    --border-hover: #3D4250;
    --border-focus: rgba(88, 58, 255, 0.5);

    /* ── Component Specific ── */
    --input-bg: #181B22;
    --input-border: #2A2E3A;
    --input-focus-ring: rgba(88, 58, 255, 0.25);
    --card-bg: #111318;
    --card-border: #1E222B;
    --nav-bg: rgba(17, 19, 24, 0.85);
    --nav-border: rgba(42, 46, 58, 0.5);
    --modal-bg: #111318;
    --modal-backdrop: rgba(0, 0, 0, 0.7);
    --dropdown-bg: #181B22;
    --dropdown-border: #2A2E3A;
    --tooltip-bg: #242936;
    --tooltip-text: #F3F4F6;
    --table-header-bg: #181B22;
    --table-row-hover: #1E222B;
    --table-border: #2A2E3A;
    --code-bg: #181B22;
    --code-text: #E5E7EB;
    --kbd-bg: #242936;
    --kbd-border: #3D4250;
    --kbd-text: #9CA3AF;
    --scrollbar-track: #111318;
    --scrollbar-thumb: #3D4250;
    --scrollbar-thumb-hover: #4B5563;
  }
}

/* ─────────────────────────────────────────────────────────────
   3. LIGHT MODE VARIABLES (Default)
   ───────────────────────────────────────────────────────────── */

@media (prefers-color-scheme: light), (prefers-color-scheme: no-preference) {
  :root {
    /* ── Backgrounds ── */
    --bg-body: #FFFFFF;
    --bg-surface: #F9FAFB;
    --bg-surface-elevated: #FFFFFF;
    --bg-surface-hover: #F3F4F6;
    --bg-surface-active: #E5E7EB;
    --bg-overlay: rgba(0, 0, 0, 0.4);
    --bg-backdrop: rgba(0, 0, 0, 0.3);

    /* ── Text Colors ── */
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-tertiary: #6B7280;
    --text-inverse: #FFFFFF;
    --text-muted: #9CA3AF;
  
  --mine: #583AFF;

    /* ── Borders ── */
    --border-default: #E5E7EB;
    --border-subtle: #F3F4F6;
    --border-hover: #D1D5DB;
    --border-focus: rgba(88, 58, 255, 0.5);

    /* ── Component Specific ── */
    --input-bg: #FFFFFF;
    --input-border: #D1D5DB;
    --input-focus-ring: rgba(88, 58, 255, 0.2);
    --card-bg: #FFFFFF;
    --card-border: #E5E7EB;
    --nav-bg: rgba(255, 255, 255, 0.55);
    --nav-border: rgba(229, 231, 235, 0.5);
    --modal-bg: #FFFFFF;
    --modal-backdrop: rgba(0, 0, 0, 0.5);
    --dropdown-bg: #FFFFFF;
    --dropdown-border: #E5E7EB;
    --tooltip-bg: #1F2937;
    --tooltip-text: #F3F4F6;
    --table-header-bg: #F9FAFB;
    --table-row-hover: #F3F4F6;
    --table-border: #E5E7EB;
    --code-bg: #F3F4F6;
    --code-text: #374151;
    --kbd-bg: #F3F4F6;
    --kbd-border: #E5E7EB;
    --kbd-text: #6B7280;
    --scrollbar-track: #F3F4F6;
    --scrollbar-thumb: #D1D5DB;
    --scrollbar-thumb-hover: #9CA3AF;
  }
}

/* ── Manual Dark Mode Toggle ── */
[data-theme="dark"] {
  --bg-body: #0B0C10;
  --bg-surface: #111318;
  --bg-surface-elevated: #181B22;
  --bg-surface-hover: #1E222B;
  --bg-surface-active: #242936;
  --bg-overlay: rgba(0, 0, 0, 0.7);
  --bg-backdrop: rgba(0, 0, 0, 0.5);

  --text-primary: #F3F4F6;
  --text-secondary: #9CA3AF;
  --text-tertiary: #6B7280;
  --text-inverse: #111827;
  --text-muted: #4B5563;

  --border-default: #2A2E3A;
  --border-subtle: #1E222B;
  --border-hover: #3D4250;
  --border-focus: rgba(88, 58, 255, 0.5);

  --input-bg: #181B22;
  --input-border: #2A2E3A;
  --input-focus-ring: rgba(88, 58, 255, 0.25);
  --card-bg: #111318;
  --card-border: #1E222B;
  --nav-bg: rgba(17, 19, 24, 0.85);
  --nav-border: rgba(42, 46, 58, 0.5);
  --modal-bg: #111318;
  --modal-backdrop: rgba(0, 0, 0, 0.7);
  --dropdown-bg: #181B22;
  --dropdown-border: #2A2E3A;
  --tooltip-bg: #242936;
  --tooltip-text: #F3F4F6;
  --table-header-bg: #181B22;
  --table-row-hover: #1E222B;
  --table-border: #2A2E3A;
  --code-bg: #181B22;
  --code-text: #E5E7EB;
  --kbd-bg: #242936;
  --kbd-border: #3D4250;
  --kbd-text: #9CA3AF;
  --scrollbar-track: #111318;
  --scrollbar-thumb: #3D4250;
  --scrollbar-thumb-hover: #4B5563;
}

[data-theme="light"] {
  --bg-body: #FFFFFF;
  --bg-surface: #F9FAFB;
  --bg-surface-elevated: #FFFFFF;
  --bg-surface-hover: #F3F4F6;
  --bg-surface-active: #E5E7EB;
  --bg-overlay: rgba(0, 0, 0, 0.4);
  --bg-backdrop: rgba(0, 0, 0, 0.3);

  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-tertiary: #6B7280;
  --text-inverse: #FFFFFF;
  --text-muted: #9CA3AF;

  --border-default: #E5E7EB;
  --border-subtle: #F3F4F6;
  --border-hover: #D1D5DB;
  --border-focus: rgba(88, 58, 255, 0.5);

  --input-bg: #FFFFFF;
  --input-border: #D1D5DB;
  --input-focus-ring: rgba(88, 58, 255, 0.2);
  --card-bg: #f1f1f1;
  --card-border: #999;
  --nav-bg: rgba(255, 255, 255, 0.55);
  --nav-border: rgba(229, 231, 235, 0.5);
  --modal-bg: #FFFFFF;
  --modal-backdrop: rgba(0, 0, 0, 0.5);
  --dropdown-bg: #FFFFFF;
  --dropdown-border: #E5E7EB;
  --tooltip-bg: #1F2937;
  --tooltip-text: #F3F4F6;
  --table-header-bg: #F9FAFB;
  --table-row-hover: #F3F4F6;
  --table-border: #E5E7EB;
  --code-bg: #F3F4F6;
  --code-text: #374151;
  --kbd-bg: #F3F4F6;
  --kbd-border: #E5E7EB;
  --kbd-text: #6B7280;
  --scrollbar-track: #F3F4F6;
  --scrollbar-thumb: #D1D5DB;
  --scrollbar-thumb-hover: #9CA3AF;
}

/* ─────────────────────────────────────────────────────────────
   4. BASE RESET & GLOBAL STYLES
   ───────────────────────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-body);
  min-height: 100vh;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); font: var(--font-brand); }
h2 { font-size: var(--text-4xl); font: var(--font-brand); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-400);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

strong, b { font-weight: var(--font-semibold); }

em, i { font-style: italic; }

small { font-size: var(--text-sm); color: var(--text-tertiary); }

mark {
  background-color: var(--color-primary-100);
  color: var(--color-primary-900);
  padding: 0.125rem 0.25rem;
  border-radius: var(--radius-sm);
}

del {
  text-decoration: line-through;
  color: var(--text-muted);
}

ins {
  text-decoration: underline;
  color: var(--color-success);
}

abbr[title] {
  text-decoration: underline dotted;
  cursor: help;
}

/* ── Lists ── */
ul, ol {
  padding-left: var(--space-6);
  color: var(--text-secondary);
}

li + li { margin-top: var(--space-2); }

ul ul, ol ol, ul ol, ol ul { margin-top: var(--space-2); }

/* ── Horizontal Rule ── */
hr {
  border: none;
  height: 1px;
  background-color: var(--border-default);
  margin: var(--space-8) 0;
}

/* ── Blockquote ── */
blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-4);
  color: var(--text-secondary);
  font-style: italic;
}

blockquote cite {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-style: normal;
}

/* ── Code ── */
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--code-bg);
  color: var(--code-text);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-md);
}

pre {
  font-family: var(--font-mono);
  background-color: var(--code-bg);
  color: var(--code-text);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  line-height: var(--leading-relaxed);
}

pre code {
  background: none;
  padding: 0;
  font-size: var(--text-sm);
}

/* ── Keyboard ── */
kbd {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  background-color: var(--kbd-bg);
  border: 1px solid var(--kbd-border);
  border-radius: var(--radius-md);
  padding: 0.125rem 0.375rem;
  color: var(--kbd-text);
  box-shadow: var(--shadow-xs);
}

/* ── Images ── */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: var(--radius-full);
}

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

/* ── Selection ── */
::selection {
  background-color: var(--color-primary-200);
  color: var(--color-primary-900);
}

/* ─────────────────────────────────────────────────────────────
   5. LAYOUT SYSTEM
   ───────────────────────────────────────────────────────────── */

/* ── Container ── */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.container-sm { max-width: var(--container-sm); }
.container-md { max-width: var(--container-md); }
.container-lg { max-width: var(--container-lg); }
.container-xl { max-width: var(--container-xl); }
.container-2xl { max-width: var(--container-2xl); }

@media (min-width: 640px) {
  .container { padding-left: var(--space-6); padding-right: var(--space-6); }
}

@media (min-width: 1024px) {
  .container { padding-left: var(--space-8); padding-right: var(--space-8); }
}

/* ── Grid System ── */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

@media (min-width: 640px) {
  .sm\\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .sm\\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sm\\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .md\\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .md\\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .lg\\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .lg\\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

/* ── Flexbox Utilities ── */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ── Section Spacing ── */
.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }
}

.section-sm { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.section-lg { padding-top: var(--space-24); padding-bottom: var(--space-24); }

/* ─────────────────────────────────────────────────────────────
   6. NAVIGATION
   ───────────────────────────────────────────────────────────── */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  height: 72px;
  background-color: var(--nav-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--nav-border);
  transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-xl);
  margin: 0;
  padding: 0;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--font-bold);
  font-size: var(--text-xl);
  color: var(--text-primary);
  text-decoration: none;
}

.navbar-logo img {
  height: 36px;
  width: auto;
}

.navbar-logo:hover {
  color: var(--text-primary);
}

/* ── Nav Links ── */
.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

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

.nav-link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-hover);
}

.nav-link.active {
  color: var();
  background-color: var(--color-primary);
}

[data-theme="dark"] .nav-link.active {
  background-color: rgba(88, 58, 255, 0.15);
}

/* ── Nav Actions ── */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ── Mobile Menu Toggle ── */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.nav-toggle:hover { background-color: var(--bg-surface-hover); }

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 768px) {
  .nav-toggle { display: none; }
}

/* ── Mobile Menu ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-body);
  padding: var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
  z-index: var(--z-fixed);
  overflow-y: auto;
}

.mobile-menu.active { display: flex; }

.mobile-menu .nav-link {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-lg);
  width: 100%;
}

/* ── Sidebar Navigation ── */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 280px;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-default);
  z-index: var(--z-fixed);
  overflow-y: auto;
  transition: transform var(--transition-slow);
}

.sidebar-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-default);
}

.sidebar-nav {
  padding: var(--space-4);
}

.sidebar-group-title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-2);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2-5) var(--space-4);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.sidebar-link:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

.sidebar-link.active {
  background-color: var(--color-primary-50);
  color: var(--color-primary);
}

[data-theme="dark"] .sidebar-link.active {
  background-color: rgba(88, 58, 255, 0.15);
}

.sidebar-link-icon {
  width: 20px;
  height: 20px;
  opacity: 0.7;
  flex-shrink: 0;
}

/* ── Breadcrumbs ── */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb-item a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--color-primary);
}

.breadcrumb-separator {
  opacity: 0.5;
}

.breadcrumb-item:last-child {
  color: var(--text-primary);
  font-weight: var(--font-medium);
  pointer-events: none;
}

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.pagination-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  background-color: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.pagination-item:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.pagination-item.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.pagination-item:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

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

/* ─────────────────────────────────────────────────────────────
   7. BUTTONS
   ───────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: var(--font-semibold);
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  padding: 10px;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── Button Sizes ── */
.btn-xs {
  padding: var(--space-1) var(--space-2-5);
  font-size: var(--text-xs);
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}

.btn-md {
  padding: var(--space-2-5) var(--space-5);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
}

.btn-xl {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

/* ── Button Variants ── */

/* Primary */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-600);
  border-color: var(--color-primary-600);
  box-shadow: var(--shadow-md), var(--shadow-glow-primary);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Secondary */
.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-default);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

/* Outline */
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary-50);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .btn-outline:hover {
  background-color: rgba(88, 58, 255, 0.15);
}

/* Ghost */
.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

/* Link Style */
.btn-link {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
  padding-left: var(--space-2);
  padding-right: var(--space-2);
}

.btn-link:hover {
  text-decoration: underline;
  color: var(--color-primary-600);
}

/* ── Semantic Buttons ── */
.btn-success {
  background-color: var(--color-success);
  color: var(--color-white);
  border-color: var(--color-success);
}

.btn-success:hover {
  background-color: var(--color-success-dark);
  border-color: var(--color-success-dark);
}

.btn-danger {
  background-color: var(--color-danger);
  color: var(--color-white);
  border-color: var(--color-danger);
}

.btn-danger:hover {
  background-color: var(--color-danger-dark);
  border-color: var(--color-danger-dark);
}

.btn-warning {
  background-color: var(--color-warning);
  color: var(--color-gray-900);
  border-color: var(--color-warning);
}

.btn-warning:hover {
  background-color: var(--color-warning-dark);
  border-color: var(--color-warning-dark);
  color: var(--color-white);
}

/* ── Button with Icon ── */
.btn-icon {
  padding: var(--space-2-5);
  border-radius: var(--radius-lg);
}

.btn-icon svg,
.btn-icon img {
  width: 18px;
  height: 18px;
}

/* ── Button Group ── */
.btn-group {
  display: inline-flex;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.btn-group .btn {
  border-radius: 0;
  border-right-width: 0;
}

.btn-group .btn:first-child {
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
}

.btn-group .btn:last-child {
  border-top-right-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
  border-right-width: 1px;
}

/* ── Loading State ── */
.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  top: 50%;
  left: 50%;
  margin-top: -9px;
  margin-left: -9px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
  color: inherit;
}

@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

/* ─────────────────────────────────────────────────────────────
   8. FORMS
   ───────────────────────────────────────────────────────────── */

/* ── Form Group ── */
.form-group {
  margin-bottom: var(--space-5);
}

.form-group:last-child {
  margin-bottom: 0;
}

/* ── Label ── */
.label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.label-required::after {
  content: " *";
  color: var(--color-danger);
}

.label-hint {
  font-size: var(--text-xs);
  font-weight: var(--font-normal);
  color: var(--text-tertiary);
  margin-left: var(--space-2);
}

/* ── Input Base ── */
.input,
.textarea,
.select {
  display: block;
  width: 100%;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-lg);
  padding: 10px;
  transition: all var(--transition-fast);
  outline: none;
}

.input::placeholder,
.textarea::placeholder {
  color: var(--text-muted);
}

.input:hover,
.textarea:hover,
.select:hover {
  border-color: var(--border-hover);
}

.input:focus,
.textarea:focus,
.select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

.input:disabled,
.textarea:disabled,
.select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: var(--bg-surface);
}

.input[readonly],
.textarea[readonly] {
  background-color: var(--bg-surface);
  cursor: default;
}

/* ── Input Sizes ── */
.input-sm,
.textarea-sm,
.select-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  border-radius: var(--radius-md);
}

.input-lg,
.textarea-lg,
.select-lg {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-base);
}

/* ── Input with Icon ── */
.input-group {
  position: relative;
}

.input-group .input {
  padding-left: var(--space-10);
}

.input-group-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  width: 20px;
  height: 20px;
}

.input-group .input:focus + .input-group-icon,
.input-group .input:not(:placeholder-shown) + .input-group-icon {
  color: var(--color-primary);
}

/* ── Input with Button ── */
.input-group-btn {
  display: flex;
}

.input-group-btn .input {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right-width: 0;
}

.input-group-btn .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* ── Textarea ── */
.textarea {
  min-height: 120px;
  resize: vertical;
}

.textarea-resize-none { resize: none; }
.textarea-resize-both { resize: both; }

/* ── Select ── */
.select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-10);
  cursor: pointer;
}

.select option {
  background-color: var(--input-bg);
  color: var(--text-primary);
}

/* ── Checkbox & Radio ── */
.checkbox,
.radio {
  display: flex;
  align-items: center;
  gap: var(--space-2-5);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  user-select: none;
}

.checkbox input,
.radio input {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--input-border);
  background-color: var(--input-bg);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  position: relative;
}

.checkbox input {
  border-radius: var(--radius-md);
}

.radio input {
  border-radius: 50%;
}

.checkbox input:checked,
.radio input:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.checkbox input:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.radio input:checked::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background-color: white;
  border-radius: 50%;
}

.checkbox input:focus-visible,
.radio input:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

.checkbox input:disabled,
.radio input:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Toggle Switch ── */
.toggle {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  user-select: none;
}

.toggle input {
  appearance: none;
  -webkit-appearance: none;
  width: 44px;
  height: 24px;
  background-color: var(--border-hover);
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  flex-shrink: 0;
}

.toggle input::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background-color: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.toggle input:checked {
  background-color: var(--color-primary);
}

.toggle input:checked::after {
  transform: translateX(20px);
}

.toggle input:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

.toggle input:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Range Slider ── */
.range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--border-default);
  outline: none;
  cursor: pointer;
}

.range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 3px solid var(--bg-body);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.range::-webkit-slider-thumb:hover {
  box-shadow: var(--shadow-glow-primary);
  transform: scale(1.1);
}

.range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 3px solid var(--bg-body);
  box-shadow: var(--shadow-sm);
}

.range:focus-visible {
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

/* ── Form Validation ── */
.input-error,
.textarea-error,
.select-error {
  border-color: var(--color-danger);
}

.input-error:focus,
.textarea-error:focus,
.select-error:focus {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.form-error {
  display: flex;
  align-items: center;
  gap: var(--space-1-5);
  font-size: var(--text-xs);
  color: var(--color-danger);
  margin-top: var(--space-1-5);
}

.input-success,
.textarea-success,
.select-success {
  border-color: var(--color-success);
}

.input-success:focus,
.textarea-success:focus,
.select-success:focus {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

/* ── Floating Label ── */
.floating-label {
  position: relative;
}

.floating-label .input,
.floating-label .textarea {
  padding-top: var(--space-6);
  padding-bottom: var(--space-2);
}

.floating-label label {
  position: absolute;
  left: var(--space-4);
  top: var(--space-2-5);
  font-size: var(--text-sm);
  color: var(--text-muted);
  pointer-events: none;
  transition: all var(--transition-fast);
}

.floating-label .input:focus + label,
.floating-label .input:not(:placeholder-shown) + label,
.floating-label .textarea:focus + label,
.floating-label .textarea:not(:placeholder-shown) + label {
  top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-primary);
}

/* ── File Input ── */
.file-input {
  position: relative;
}

.file-input input[type="file"] {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.file-input-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-8);
  border: 2px dashed var(--border-default);
  border-radius: var(--radius-xl);
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.file-input:hover .file-input-trigger {
  border-color: var(--color-primary);
  background-color: var(--color-primary-50);
  color: var(--color-primary);
}

[data-theme="dark"] .file-input:hover .file-input-trigger {
  background-color: rgba(88, 58, 255, 0.1);
}

/* ─────────────────────────────────────────────────────────────
   9. CARDS
   ───────────────────────────────────────────────────────────── */

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card-hover:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary-200);
}

[data-theme="dark"] .card-interactive:hover {
  border-color: rgba(88, 58, 255, 0.3);
}

/* ── Card Sections ── */
.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* ── Card Image ── */
.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-image-overlay {
  position: relative;
}

.card-image-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 60%);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

/* ── Feature Card ── */
.feature-card {
  padding: var(--space-8);
  text-align: center;
}

.feature-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  color: white;
  font-size: var(--text-2xl);
}

.feature-card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.feature-card-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ── Pricing Card ── */
.pricing-card {
  padding: var(--space-8);
  text-align: center;
  position: relative;
}

.pricing-card-featured {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-glow-primary);
}

.pricing-card-badge {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: white;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  padding: var(--space-1) var(--space-4);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.pricing-card-name {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.pricing-card-price {
  font-size: var(--text-5xl);
  font-weight: var(--font-extrabold);
  color: var(--text-primary);
  line-height: var(--leading-none);
}

.pricing-card-price span {
  font-size: var(--text-lg);
  font-weight: var(--font-normal);
  color: var(--text-tertiary);
}

.pricing-card-features {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0;
  text-align: left;
}

.pricing-card-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.pricing-card-features li.included::before {
  content: "✓";
  color: var(--color-success);
  font-weight: var(--font-bold);
  flex-shrink: 0;
}

.pricing-card-features li.excluded {
  color: var(--text-muted);
  text-decoration: line-through;
}

.pricing-card-features li.excluded::before {
  content: "×";
  color: var(--text-muted);
  font-weight: var(--font-bold);
  flex-shrink: 0;
}

/* ── Testimonial Card ── */
.testimonial-card {
  padding: var(--space-8);
}

.testimonial-quote {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-name {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.testimonial-role {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

/* ─────────────────────────────────────────────────────────────
   10. ALERTS & BADGES
   ───────────────────────────────────────────────────────────── */

/* ── Alert ── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-xl);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.alert-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

.alert-close {
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: currentColor;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
  padding: var(--space-1);
  margin: calc(-1 * var(--space-1));
  border-radius: var(--radius-md);
}

.alert-close:hover {
  opacity: 1;
}

.alert-info {
  background-color: var(--color-info-light);
  color: var(--color-info-dark);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .alert-info {
  background-color: rgba(59, 130, 246, 0.15);
  color: #93C5FD;
  border-color: rgba(59, 130, 246, 0.25);
}

.alert-success {
  background-color: var(--color-success-light);
  color: var(--color-success-dark);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

[data-theme="dark"] .alert-success {
  background-color: rgba(16, 185, 129, 0.15);
  color: #6EE7B7;
  border-color: rgba(16, 185, 129, 0.25);
}

.alert-warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning-dark);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

[data-theme="dark"] .alert-warning {
  background-color: rgba(245, 158, 11, 0.15);
  color: #FCD34D;
  border-color: rgba(245, 158, 11, 0.25);
}

.alert-danger {
  background-color: var(--color-danger-light);
  color: var(--color-danger-dark);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

[data-theme="dark"] .alert-danger {
  background-color: rgba(239, 68, 68, 0.15);
  color: #FCA5A5;
  border-color: rgba(239, 68, 68, 0.25);
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-0-5) var(--space-2-5);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  line-height: var(--leading-normal);
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
}

[data-theme="dark"] .badge-primary {
  background-color: rgba(88, 58, 255, 0.2);
  color: #A78BFA;
}

.badge-secondary {
  background-color: var(--bg-surface-hover);
  color: var(--text-secondary);
}

.badge-success {
  background-color: var(--color-success-light);
  color: var(--color-success-dark);
}

[data-theme="dark"] .badge-success {
  background-color: rgba(16, 185, 129, 0.2);
  color: #6EE7B7;
}

.badge-warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning-dark);
}

[data-theme="dark"] .badge-warning {
  background-color: rgba(245, 158, 11, 0.2);
  color: #FCD34D;
}

.badge-danger {
  background-color: var(--color-danger-light);
  color: var(--color-danger-dark);
}

[data-theme="dark"] .badge-danger {
  background-color: rgba(239, 68, 68, 0.2);
  color: #FCA5A5;
}

.badge-info {
  background-color: var(--color-info-light);
  color: var(--color-info-dark);
}

[data-theme="dark"] .badge-info {
  background-color: rgba(59, 130, 246, 0.2);
  color: #93C5FD;
}

.badge-outline {
  background-color: transparent;
  border: 1px solid currentColor;
}

.badge-outline.badge-primary {
  color: var(--color-primary);
  border-color: var(--color-primary-300);
}

/* ── Status Dot ── */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-gray-400);
  position: relative;
}

.status-dot::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background-color: inherit;
  opacity: 0.4;
  animation: status-pulse 2s ease-in-out infinite;
}

.status-dot-online { background-color: var(--color-success); }
.status-dot-away { background-color: var(--color-warning); }
.status-dot-busy { background-color: var(--color-danger); }
.status-dot-offline { background-color: var(--text-muted); }

@keyframes status-pulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.5); opacity: 0; }
}

/* ─────────────────────────────────────────────────────────────
   11. TABLES
   ───────────────────────────────────────────────────────────── */

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--table-border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  text-align: left;
}

.table thead {
  background-color: var(--table-header-bg);
}

.table th {
  padding: var(--space-3) var(--space-5);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  text-transform: uppercase;
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.table td {
  padding: var(--space-4) var(--space-5);
  color: var(--text-secondary);
  border-top: 1px solid var(--table-border);
  vertical-align: middle;
}

.table tbody tr {
  transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
  background-color: var(--table-row-hover);
}

.table tbody tr:last-child td:first-child { border-bottom-left-radius: var(--radius-xl); }
.table tbody tr:last-child td:last-child { border-bottom-right-radius: var(--radius-xl); }

/* ── Table Variants ── */
.table-striped tbody tr:nth-child(even) {
  background-color: var(--bg-surface);
}

.table-compact th,
.table-compact td {
  padding: var(--space-2) var(--space-4);
}

.table-borderless th,
.table-borderless td {
  border: none;
}

/* ── Sortable Headers ── */
.table-sortable th {
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-right: var(--space-8);
}

.table-sortable th::after {
  content: "↕";
  position: absolute;
  right: var(--space-4);
  opacity: 0.3;
  font-size: var(--text-xs);
}

.table-sortable th.sort-asc::after {
  content: "↑";
  opacity: 1;
  color: var(--color-primary);
}

.table-sortable th.sort-desc::after {
  content: "↓";
  opacity: 1;
  color: var(--color-primary);
}

/* ─────────────────────────────────────────────────────────────
   12. MODALS & DIALOGS
   ───────────────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--modal-backdrop);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background-color: var(--modal-bg);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 560px;
  max-height: calc(100vh - var(--space-8));
  overflow-y: auto;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: var(--space-1);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-hover);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* ── Modal Sizes ── */
.modal-sm { max-width: 400px; }
.modal-lg { max-width: 720px; }
.modal-xl { max-width: 960px; }
.modal-fullscreen {
  max-width: 100%;
  max-height: 100vh;
  border-radius: 0;
  margin: 0;
}

/* ── Drawer ── */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--modal-backdrop);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

.drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  width: 400px;
  max-width: 90vw;
  background-color: var(--modal-bg);
  border-left: 1px solid var(--border-default);
  box-shadow: var(--shadow-2xl);
  z-index: var(--z-modal);
  overflow-y: auto;
  transition: transform var(--transition-slow);
}

.drawer-right {
  right: 0;
  transform: translateX(100%);
}

.drawer-left {
  left: 0;
  transform: translateX(-100%);
  border-left: none;
  border-right: 1px solid var(--border-default);
}

.drawer-overlay.active .drawer-right,
.drawer-overlay.active .drawer-left {
  transform: translateX(0);
}

.drawer-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-body {
  padding: var(--space-6);
}

/* ─────────────────────────────────────────────────────────────
   13. DROPDOWNS & MENUS
   ───────────────────────────────────────────────────────────── */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  min-width: 200px;
  background-color: var(--dropdown-bg);
  border: 1px solid var(--dropdown-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  overflow: hidden;
}

.dropdown.active .dropdown-menu,
.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu-right {
  left: auto;
  right: 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2-5) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.dropdown-item:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

.dropdown-item.active {
  background-color: var(--color-primary-50);
  color: var(--color-primary);
}

[data-theme="dark"] .dropdown-item.active {
  background-color: rgba(88, 58, 255, 0.15);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--dropdown-border);
  margin: var(--space-2) 0;
}

.dropdown-header {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

/* ── Context Menu ── */
.context-menu {
  position: fixed;
  background-color: var(--dropdown-bg);
  border: 1px solid var(--dropdown-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-dropdown);
  min-width: 180px;
  padding: var(--space-2);
}

/* ─────────────────────────────────────────────────────────────
   14. TABS
   ───────────────────────────────────────────────────────────── */

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-default);
  gap: var(--space-1);
}

.tab {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  text-decoration: none;
}

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

.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--input-focus-ring);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

/* ── Pill Tabs ── */
.tabs-pill {
  border-bottom: none;
  background-color: var(--bg-surface);
  padding: var(--space-1);
  border-radius: var(--radius-xl);
  gap: var(--space-1);
}

.tabs-pill .tab {
  border-bottom: none;
  margin-bottom: 0;
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-4);
}

.tabs-pill .tab.active {
  background-color: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

/* ── Vertical Tabs ── */
.tabs-vertical {
  flex-direction: column;
  border-bottom: none;
  border-right: 1px solid var(--border-default);
  gap: 0;
}

.tabs-vertical .tab {
  border-bottom: none;
  border-right: 2px solid transparent;
  margin-bottom: 0;
  margin-right: -1px;
  text-align: left;
}

.tabs-vertical .tab.active {
  border-right-color: var(--color-primary);
  border-bottom-color: transparent;
}

/* ── Tab Content ── */
.tab-content {
  padding-top: var(--space-6);
}

.tab-pane {
  display: none;
  animation: tab-fade-in var(--transition-base);
}

.tab-pane.active {
  display: block;
}

@keyframes tab-fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────────────────────────
   15. ACCORDION
   ───────────────────────────────────────────────────────────── */

.accordion {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--border-default);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  background: none;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  text-align: left;
}

.accordion-trigger:hover {
  background-color: var(--bg-surface-hover);
}

.accordion-trigger-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
  color: var(--text-muted);
  flex-shrink: 0;
}

.accordion-item.active .accordion-trigger-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.accordion-item.active .accordion-content {
  max-height: 500px;
}

.accordion-body {
  padding: 0 var(--space-5) var(--space-5);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ─────────────────────────────────────────────────────────────
   16. TOOLTIPS & POPOVERS
   ───────────────────────────────────────────────────────────── */

[data-tooltip] {
  position: relative;
}

[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + var(--space-2));
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: var(--space-1-5) var(--space-3);
  background-color: var(--tooltip-bg);
  color: var(--tooltip-text);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-md);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
  pointer-events: none;
}

[data-tooltip]::after {
  content: "";
  position: absolute;
  bottom: calc(100% + var(--space-1));
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  border: 5px solid transparent;
  border-top-color: var(--tooltip-bg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
  pointer-events: none;
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

[data-tooltip-position="bottom"]::before {
  bottom: auto;
  top: calc(100% + var(--space-2));
}

[data-tooltip-position="bottom"]::after {
  bottom: auto;
  top: calc(100% + var(--space-1));
  border-top-color: transparent;
  border-bottom-color: var(--tooltip-bg);
}

[data-tooltip-position="left"]::before {
  bottom: auto;
  left: auto;
  right: calc(100% + var(--space-2));
  top: 50%;
  transform: translateY(-50%) translateX(4px);
}

[data-tooltip-position="left"]::after {
  bottom: auto;
  left: auto;
  right: calc(100% + var(--space-1));
  top: 50%;
  transform: translateY(-50%) translateX(4px);
  border-top-color: transparent;
  border-left-color: var(--tooltip-bg);
}

[data-tooltip-position="right"]::before {
  bottom: auto;
  left: calc(100% + var(--space-2));
  top: 50%;
  transform: translateY(-50%) translateX(-4px);
}

[data-tooltip-position="right"]::after {
  bottom: auto;
  left: calc(100% + var(--space-1));
  top: 50%;
  transform: translateY(-50%) translateX(-4px);
  border-top-color: transparent;
  border-right-color: var(--tooltip-bg);
}

/* ── Popover ── */
.popover {
  position: relative;
  display: inline-block;
}

.popover-content {
  position: absolute;
  bottom: calc(100% + var(--space-2));
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--dropdown-bg);
  border: 1px solid var(--dropdown-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-4);
  min-width: 240px;
  z-index: var(--z-popover);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.popover.active .popover-content {
  opacity: 1;
  visibility: visible;
}

.popover-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.popover-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* ─────────────────────────────────────────────────────────────
   17. PROGRESS & LOADING
   ───────────────────────────────────────────────────────────── */

/* ── Progress Bar ── */
.progress {
  width: 100%;
  height: 8px;
  background-color: var(--bg-surface-hover);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary-400), var(--color-primary));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: progress-shimmer 2s infinite;
}

@keyframes progress-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-bar-success { background: linear-gradient(90deg, #34D399, var(--color-success)); }
.progress-bar-warning { background: linear-gradient(90deg, #FBBF24, var(--color-warning)); }
.progress-bar-danger { background: linear-gradient(90deg, #F87171, var(--color-danger)); }

.progress-sm { height: 4px; }
.progress-lg { height: 12px; }

/* ── Circular Progress ── */
.progress-circle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.progress-circle svg {
  transform: rotate(-90deg);
}

.progress-circle-track {
  fill: none;
  stroke: var(--bg-surface-hover);
  stroke-width: 4;
}

.progress-circle-fill {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 4;
  stroke-linecap: round;
  transition: stroke-dashoffset var(--transition-slow);
}

.progress-circle-text {
  position: absolute;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

/* ── Skeleton Loading ── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-surface-hover) 25%,
    var(--bg-surface-active) 50%,
    var(--bg-surface-hover) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 1em;
  margin-bottom: var(--space-2);
  width: 100%;
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.skeleton-card {
  height: 200px;
  border-radius: var(--radius-2xl);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Spinner ── */
.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-default);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spinner-spin 0.8s linear infinite;
}

.spinner-sm { width: 16px; height: 16px; border-width: 2px; }
.spinner-lg { width: 40px; height: 40px; border-width: 4px; }

@keyframes spinner-spin {
  to { transform: rotate(360deg); }
}

/* ─────────────────────────────────────────────────────────────
   18. TOAST NOTIFICATIONS
   ───────────────────────────────────────────────────────────── */

.toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 400px;
  width: 100%;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  animation: toast-slide-in var(--transition-base);
  position: relative;
  overflow: hidden;
}

.toast.toast-exit {
  animation: toast-slide-out var(--transition-base) forwards;
}

.toast::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.toast-info::before { background-color: var(--color-info); }
.toast-success::before { background-color: var(--color-success); }
.toast-warning::before { background-color: var(--color-warning); }
.toast-danger::before { background-color: var(--color-danger); }

.toast-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-0-5);
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: var(--space-1);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.toast-close:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-hover);
}

@keyframes toast-slide-in {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toast-slide-out {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100%); }
}

/* ─────────────────────────────────────────────────────────────
   19. HERO & SECTIONS
   ───────────────────────────────────────────────────────────── */

/* ── Hero ── */
.hero {
  position: relative;
  padding: var(--space-24) 0;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
}

.hero-title span {
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-primary-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ── Hero with Background Pattern ── */
.hero-pattern {
  background: 
    radial-gradient(ellipse at top, var(--color-primary-50), transparent 60%),
    radial-gradient(ellipse at bottom right, var(--color-primary-100), transparent 50%);
}

[data-theme="dark"] .hero-pattern {
  background: 
    radial-gradient(ellipse at top, rgba(88, 58, 255, 0.08), transparent 60%),
    radial-gradient(ellipse at bottom right, rgba(88, 58, 255, 0.05), transparent 50%);
}

/* ── Section Header ── */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-16);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-label::before,
.section-label::after {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
}

.section-label::after {
  background: linear-gradient(90deg, transparent, var(--color-primary));
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ── CTA Section ── */
.cta-section {
  position: relative;
  padding: var(--space-20) var(--space-8);
  border-radius: var(--radius-3xl);
  text-align: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-800));
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.cta-section > * {
  position: relative;
  z-index: 1;
}

.cta-section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  font-weight: var(--font-bold);
  color: white;
  margin-bottom: var(--space-4);
}

.cta-section-text {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-8);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn-secondary {
  background-color: white;
  color: var(--color-primary-700);
  border-color: white;
}

.cta-section .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-section .btn-outline {
  color: white;
  border-color: rgba(255, 255, 255, 0.4);
}

.cta-section .btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: white;
}

/* ─────────────────────────────────────────────────────────────
   20. FOOTER
   ───────────────────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--border-default);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
}

@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }
}

@media (max-width: 639px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--font-bold);
  font-size: var(--text-xl);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.footer-brand img {
  height: 32px;
  width: auto;
}

.footer-brand-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 280px;
}

.footer-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.footer-social {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface-hover);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

/* ─────────────────────────────────────────────────────────────
   21. UTILITY CLASSES
   ───────────────────────────────────────────────────────────── */

/* ── Display ── */
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.hidden { display: none; }

/* ── Visibility ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Text Alignment ── */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* ── Text Colors ── */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-muted { color: var(--text-muted); }
.text-inverse { color: var(--text-inverse); }
.text-brand { color: var(--color-primary); }

/* ── Font Weights ── */
.font-light { font-weight: var(--font-light); }
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

/* ── Background Colors ── */
.bg-body { background-color: var(--bg-body); }
.bg-surface { background-color: var(--bg-surface); }
.bg-surface-elevated { background-color: var(--bg-surface-elevated); }
.bg-primary { background-color: var(--color-primary); }

/* ── Spacing ── */
.m-0 { margin: var(--space-0); }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-4 { margin: var(--space-4); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }

.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

/* ── Width / Height ── */
.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.h-auto { height: auto; }
.min-h-screen { min-height: 100vh; }

/* ── Position ── */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* ── Overflow ── */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* ── Border Radius ── */
.rounded-none { border-radius: var(--radius-none); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* ── Shadows ── */
.shadow-none { box-shadow: none; }
.shadow-xs { box-shadow: var(--shadow-xs); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* ── Border ── */
.border { border: 1px solid var(--border-default); }
.border-t { border-top: 1px solid var(--border-default); }
.border-b { border-bottom: 1px solid var(--border-default); }

/* ── Cursor ── */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }

/* ── Transition ── */
.transition-all { transition: all var(--transition-base); }
.transition-colors { transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast); }
.transition-transform { transition: transform var(--transition-base); }

/* ── Transform ── */
.hover\\:scale-105:hover { transform: scale(1.05); }
.hover\\:-translate-y-1:hover { transform: translateY(-4px); }

/* ── Responsive Utilities ── */
@media (min-width: 768px) {
  .md\\:flex { display: flex; }
  .md\\:hidden { display: none; }
  .md\\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\\:text-left { text-align: left; }
  .md\\:text-center { text-align: center; }
}

@media (min-width: 1024px) {
  .lg\\:flex { display: flex; }
  .lg\\:hidden { display: none; }
  .lg\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ── Print ── */
@media print {
  .no-print { display: none !important; }
  body { background: white; color: black; }
  .card { border: 1px solid #ddd; box-shadow: none; }
}

/* ─────────────────────────────────────────────────────────────
   22. ANIMATIONS
   ───────────────────────────────────────────────────────────── */

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in-down {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slide-in-left {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes bounce-in {
  0% { opacity: 0; transform: scale(0.3); }
  50% { transform: scale(1.05); }
  70% { transform: scale(0.9); }
  100% { opacity: 1; transform: scale(1); }
}

.animate-fade-in { animation: fade-in var(--transition-base) forwards; }
.animate-fade-in-up { animation: fade-in-up var(--transition-base) forwards; }
.animate-fade-in-down { animation: fade-in-down var(--transition-base) forwards; }
.animate-scale-in { animation: scale-in var(--transition-base) forwards; }
.animate-slide-in-left { animation: slide-in-left var(--transition-base) forwards; }
.animate-slide-in-right { animation: slide-in-right var(--transition-base) forwards; }
.animate-bounce-in { animation: bounce-in var(--transition-slow) forwards; }

/* ── Stagger Children ── */
.stagger-children > * {
  opacity: 0;
  animation: fade-in-up var(--transition-base) forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0ms; }
.stagger-children > *:nth-child(2) { animation-delay: 100ms; }
.stagger-children > *:nth-child(3) { animation-delay: 200ms; }
.stagger-children > *:nth-child(4) { animation-delay: 300ms; }
.stagger-children > *:nth-child(5) { animation-delay: 400ms; }
.stagger-children > *:nth-child(6) { animation-delay: 500ms; }

/* ── Hover Lift ── */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

/* ── Glow Effect ── */
.glow-primary {
  box-shadow: var(--shadow-glow-primary);
}

.glow-primary-lg {
  box-shadow: var(--shadow-glow-primary-lg);
}

/* ── Glass Effect ── */
.glass {
  background-color: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .glass {
  background-color: rgba(17, 19, 24, 0.7);
  border-color: rgba(42, 46, 58, 0.3);
}

/* ── Gradient Text ── */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-primary-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Gradient Border ── */
.gradient-border {
  position: relative;
  background: var(--card-bg);
  border-radius: var(--radius-2xl);
}

.gradient-border::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-2xl) + 2px);
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-primary-700), var(--color-primary-300));
  z-index: -1;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.gradient-border:hover::before {
  opacity: 1;
}

/* ── Divider with Text ── */
.divider-text {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.divider-text::before,
.divider-text::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border-default);
}

/* ── Avatar ── */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  overflow: hidden;
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
  font-weight: var(--font-semibold);
  flex-shrink: 0;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-xs { width: 24px; height: 24px; font-size: var(--text-xs); }
.avatar-sm { width: 32px; height: 32px; font-size: var(--text-sm); }
.avatar-md { width: 40px; height: 40px; font-size: var(--text-base); }
.avatar-lg { width: 56px; height: 56px; font-size: var(--text-lg); }
.avatar-xl { width: 80px; height: 80px; font-size: var(--text-xl); }

.avatar-group {
  display: flex;
  align-items: center;
}

.avatar-group .avatar {
  border: 2px solid var(--bg-body);
  margin-left: -8px;
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

/* ── Tag / Chip ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  background-color: var(--bg-surface-hover);
  color: var(--text-secondary);
}

.tag-primary {
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
}

[data-theme="dark"] .tag-primary {
  background-color: rgba(88, 58, 255, 0.2);
  color: #A78BFA;
}

.tag-removable {
  padding-right: var(--space-2);
}

.tag-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: none;
  border: none;
  color: currentColor;
  opacity: 0.5;
  cursor: pointer;
  font-size: 10px;
  line-height: 1;
  transition: opacity var(--transition-fast);
}

.tag-remove:hover {
  opacity: 1;
}

/* ── Empty State ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-8);
  text-align: center;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-2xl);
  background-color: var(--bg-surface-hover);
  color: var(--text-muted);
  margin-bottom: var(--space-6);
  font-size: var(--text-3xl);
}

.empty-state-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 400px;
}

/* ── Stats Card ── */
.stat-card {
  padding: var(--space-6);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  line-height: var(--leading-tight);
}

.stat-change {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  margin-top: var(--space-2);
}

.stat-change-up { color: var(--color-success); }
.stat-change-down { color: var(--color-danger); }

/* ── Timeline ── */
.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--border-default);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-8);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: calc(-1 * var(--space-8) + 6px);
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 3px solid var(--bg-body);
}

.timeline-dot-success { background-color: var(--color-success); }
.timeline-dot-warning { background-color: var(--color-warning); }
.timeline-dot-danger { background-color: var(--color-danger); }

.timeline-content {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
}

.timeline-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.timeline-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.timeline-time {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-2);
}

/* ── Stepper ── */
.stepper {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.step {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.step-indicator {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  background-color: var(--bg-surface-hover);
  color: var(--text-muted);
  border: 2px solid var(--border-default);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.step.active .step-indicator {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.step.completed .step-indicator {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.step-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-muted);
  white-space: nowrap;
}

.step.active .step-label {
  color: var(--text-primary);
}

.step.completed .step-label {
  color: var(--color-success);
}

.step-connector {
  flex: 1;
  height: 2px;
  background-color: var(--border-default);
  min-width: 24px;
  max-width: 60px;
}

.step-connector.completed {
  background-color: var(--color-success);
}

/* ── Dark Mode Toggle Button ── */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: none;
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* ── Logo Component ── */
.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.logo img {
  height: 36px;
  width: auto;
}

.logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* ── Search Bar ── */
.search-bar {
  position: relative;
  max-width: 480px;
}

.search-bar .input {
  padding-left: var(--space-12);
  padding-right: var(--space-4);
  border-radius: var(--radius-full);
  background-color: var(--bg-surface);
  border-color: var(--border-default);
}

.search-bar .input:focus {
  background-color: var(--bg-surface-elevated);
}

.search-bar-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* ── Data Display ── */
.data-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}

.data-value {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

/* ── Divider ── */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border-default);
}

/* ── Vertical Divider ── */

.divider-vertical {
  width: 1px;
  align-self: stretch;
  background-color: var(--kbd-border);
}

/* ── Visually Hidden ── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ── Focus Ring ── */
.focus-ring:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── High Contrast Mode ── */
@media (prefers-contrast: high) {
  :root {
    --border-default: #000000;
    --text-secondary: #000000;
  }
  [data-theme="dark"] {
    --border-default: #FFFFFF;
    --text-secondary: #FFFFFF;
  }
  .btn-primary {
    border: 2px solid currentColor;
  }
}

.pathway {
  display: flex;
  align-items: center;
  gap: 5px;
  user-select: none;
  margin-bottom: 15px;
  color: var(--text-secondary);
}

.pathway svg {
  width: 16px;
  height: 16px;
  margin-top: 2px;
}