/* =============================================================================
   MailPeeker design tokens
   Dark-first. Light overrides under [data-theme="light"].
   ========================================================================== */

:root {
  /* --- Typography -------------------------------------------------------- */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 0.9375rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;

  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.7;

  /* --- Spacing scale ------------------------------------------------------ */
  --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;

  /* --- Radius -------------------------------------------------------------- */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 999px;

  /* --- Motion --------------------------------------------------------------- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 120ms;
  --duration-base: 180ms;
  --duration-slow: 320ms;

  /* --- Z-index scale --------------------------------------------------------- */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal-backdrop: 300;
  --z-modal: 310;
  --z-toast: 400;
  --z-command-palette: 500;
  --z-tooltip: 600;

  /* --- Accent (brand) ramp — identical across themes ------------------------- */
  --accent-50: #eef2ff;
  --accent-100: #e0e7ff;
  --accent-200: #c7d2fe;
  --accent-300: #a5b4fc;
  --accent-400: #818cf8;
  --accent-500: #6366f1;
  --accent-600: #4f46e5;
  --accent-700: #4338ca;
  --accent-800: #3730a3;
  --accent-900: #312e81;

  --violet-500: #8b5cf6;
  --pink-500: #ec4899;

  --success-500: #22c55e;
  --success-600: #16a34a;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  --danger-500: #f43f5e;
  --danger-600: #e11d48;
  --info-500: #0ea5e9;
}

/* --- Dark theme (default) ---------------------------------------------------- */
:root,
:root[data-theme="dark"] {
  color-scheme: dark;

  --bg-canvas: #08080c;
  --bg-canvas-alt: #0c0d13;
  --bg-surface: #111219;
  --bg-surface-raised: #15161f;
  --bg-surface-overlay: rgba(21, 22, 31, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-hover: rgba(255, 255, 255, 0.05);
  --bg-active: rgba(255, 255, 255, 0.08);
  --bg-selected: rgba(99, 102, 241, 0.14);

  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text-primary: #f4f4f6;
  --text-secondary: #a3a3b0;
  --text-tertiary: #6f7080;
  --text-disabled: #4a4b58;
  --text-on-accent: #ffffff;

  --accent: var(--accent-500);
  --accent-strong: var(--accent-400);
  --accent-soft-bg: rgba(99, 102, 241, 0.14);
  --accent-soft-border: rgba(99, 102, 241, 0.3);

  --shadow-color: 240 40% 2%;
  --shadow-sm: 0 1px 2px hsl(var(--shadow-color) / 0.4);
  --shadow-md: 0 4px 16px -4px hsl(var(--shadow-color) / 0.5), 0 2px 6px -2px hsl(var(--shadow-color) / 0.4);
  --shadow-lg: 0 16px 48px -12px hsl(var(--shadow-color) / 0.65), 0 4px 12px -4px hsl(var(--shadow-color) / 0.5);
  --shadow-glow: 0 0 0 1px var(--accent-soft-border), 0 8px 24px -8px rgba(99, 102, 241, 0.35);

  --scrollbar-thumb: rgba(255, 255, 255, 0.14);
  --scrollbar-thumb-hover: rgba(255, 255, 255, 0.22);
}

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

  --bg-canvas: #f6f6f8;
  --bg-canvas-alt: #f0f0f4;
  --bg-surface: #ffffff;
  --bg-surface-raised: #ffffff;
  --bg-surface-overlay: rgba(255, 255, 255, 0.85);
  --bg-glass: rgba(17, 18, 25, 0.03);
  --bg-hover: rgba(17, 18, 25, 0.04);
  --bg-active: rgba(17, 18, 25, 0.07);
  --bg-selected: rgba(99, 102, 241, 0.09);

  --border-subtle: rgba(17, 18, 25, 0.06);
  --border-default: rgba(17, 18, 25, 0.1);
  --border-strong: rgba(17, 18, 25, 0.16);

  --text-primary: #14151a;
  --text-secondary: #55565f;
  --text-tertiary: #85868f;
  --text-disabled: #b7b8c0;
  --text-on-accent: #ffffff;

  --accent: var(--accent-600);
  --accent-strong: var(--accent-700);
  --accent-soft-bg: rgba(79, 70, 229, 0.08);
  --accent-soft-border: rgba(79, 70, 229, 0.22);

  --shadow-color: 230 25% 60%;
  --shadow-sm: 0 1px 2px hsl(var(--shadow-color) / 0.12);
  --shadow-md: 0 4px 16px -4px hsl(var(--shadow-color) / 0.18), 0 2px 6px -2px hsl(var(--shadow-color) / 0.1);
  --shadow-lg: 0 16px 48px -12px hsl(var(--shadow-color) / 0.24), 0 4px 12px -4px hsl(var(--shadow-color) / 0.14);
  --shadow-glow: 0 0 0 1px var(--accent-soft-border), 0 8px 24px -8px rgba(79, 70, 229, 0.25);

  --scrollbar-thumb: rgba(17, 18, 25, 0.14);
  --scrollbar-thumb-hover: rgba(17, 18, 25, 0.24);
}