/* ============================================
   RITHM - CSS Custom Properties
   Cinematic dark palette. Dark mode default.
   ============================================ */

:root {
  color-scheme: dark;

  /* Typography families */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Brand colors — cinematic indigo & green */
  --color-primary: #5E6AD2;
  --color-primary-dark: #4850A8;
  --color-primary-light: #7B85DC;
  --color-primary-glow: rgba(94, 106, 210, 0.15);
  --color-success: #22C55E;
  --color-success-dark: #16A34A;
  --color-danger: #EF4444;
  --color-danger-dark: #DC2626;
  --color-warning: #F59E0B;
  --color-warning-dark: #D97706;
  --color-info: #38bdf8;

  /* Dark theme (default) — cinematic near-black */
  --bg-deep: #020203;
  --bg-base: #050506;
  --bg-elevated: #0a0a0c;
  --bg-surface: #111114;
  --text-primary: #EDEDEF;
  --text-secondary: #8A8F98;
  --text-muted: #555;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.12);
  --input-bg: #111114;
  --input-border: rgba(255, 255, 255, 0.08);

  /* Surface tints */
  --surface-alpha: rgba(255, 255, 255, 0.03);
  --surface-primary: rgba(94, 106, 210, 0.08);
  --surface-success: rgba(34, 197, 94, 0.08);
  --surface-danger: rgba(239, 68, 68, 0.08);
  --surface-warning: rgba(245, 158, 11, 0.08);
  --surface-info: rgba(56, 189, 248, 0.08);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.06);
  --shadow-elevated: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(94, 106, 210, 0.15);
  --shadow-focus: 0 0 0 2px rgba(94, 106, 210, 0.3);

  /* Spacing (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 200ms ease-out;
  --transition-modal: 300ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Sidebar */
  --sidebar-width: 220px;
  --sidebar-collapsed-width: 56px;

  /* Right Panel */
  --right-panel-width: 320px;
  --right-panel-collapsed-width: 48px;

  /* Semantic aliases (referenced by component CSS) */
  --color-primary-hover: #4850A8;
  --color-secondary: #8A8F98;
  --color-accent: #5E6AD2;
  --accent-dark: #4850A8;
  --olive: #8A9A6A;

  /* Legacy compat (referenced by game JS and existing CSS) */
  --primary: #5E6AD2;
  --primary-dark: #4850A8;
  --primary-light: #7B85DC;
  --secondary: #8A8F98;
  --accent: #5E6AD2;
  --accent-dark: #4850A8;
  --success: #22C55E;
  --warning: #F59E0B;
  --danger: #EF4444;
  --bg-primary: #050506;
  --bg-secondary: #0a0a0c;
  --bg-card: #111114;
  --bg-navbar: #0a0a0c;
  --dark: #050506;
  --dark-lighter: #0a0a0c;
  --light: #EDEDEF;
  --gray: #555;
  --olive: #8A9A6A;
  --shadow-dropdown: 0 8px 24px rgba(0, 0, 0, 0.5);
  --alert-error-text: #FCA5A5;
  --alert-success-text: #22C55E;
  --card-glow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  /* Semantic aliases used by component CSS */
  --color-primary-hover: #4850A8;
  --color-secondary: #8A8F98;
  --color-accent: #5E6AD2;
}

/* Light Mode overrides */
[data-theme="light"] {
  color-scheme: light;

  --bg-deep: #F5F5F5;
  --bg-base: #FAFAFA;
  --bg-elevated: #FFFFFF;
  --bg-surface: #FFFFFF;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --border-color: rgba(0, 0, 0, 0.12);
  --border-hover: rgba(0, 0, 0, 0.15);
  --input-bg: #FFFFFF;
  --input-border: rgba(0, 0, 0, 0.12);

  --surface-alpha: rgba(0, 0, 0, 0.02);
  --surface-primary: rgba(94, 106, 210, 0.06);
  --surface-success: rgba(34, 197, 94, 0.06);
  --surface-danger: rgba(239, 68, 68, 0.06);
  --surface-warning: rgba(245, 158, 11, 0.06);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.05);
  --shadow-elevated: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-dropdown: 0 8px 24px rgba(0, 0, 0, 0.08);
  --card-glow: inset 0 1px 0 rgba(255, 255, 255, 0.5);

  /* Legacy compat */
  --bg-primary: #FAFAFA;
  --bg-secondary: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-navbar: #FFFFFF;
  --dark: #FAFAFA;
  --dark-lighter: #FFFFFF;
  --light: #0F172A;
  --gray: #94A3B8;
  --alert-error-text: #DC2626;
  --alert-success-text: #16A34A;
}