/**
 * Design tokens. Two full themes, resolved in this order:
 *   1. explicit user choice   -> <html data-theme="light|dark">
 *   2. platform theme         -> platform.js copies Telegram's colorScheme here
 *   3. system preference      -> prefers-color-scheme
 *
 * Every colour, size and duration used by the app lives here. Views and
 * components must not hardcode values — that is what kept the two themes
 * drifting apart before.
 */

:root {
  /* brand */
  --steel-700: #2b5f8f;
  --steel-500: #4d87bf;
  --teal-400: #3ddad7;
  --gold-400: #e0a526;

  /* surfaces — light theme is the base */
  --bg: #f2f3f8;
  --bg-deep: #e8eaf3;
  --bg-card: #ffffff;
  --bg-soft: rgba(20, 24, 48, .05);
  --border: rgba(20, 24, 48, .12);
  --border-strong: rgba(20, 24, 48, .22);
  --text: #171a2b;
  --text-dim: rgba(23, 26, 43, .70);
  --accent: var(--steel-700);
  --accent-2: #23507a;
  --on-accent: #ffffff;

  /* rarity: bright hue for borders and glow, ink for text (AA on both themes) */
  --common: #6b7a99;
  --rare: #2196c9;
  --epic: #a86b2c;
  --legendary: #d99413;
  --common-ink: #4d5a75;
  --rare-ink: #0f6f99;
  --epic-ink: #8a5320;
  --legendary-ink: #8a5a00;

  --glow: rgba(43, 95, 143, .22);
  --glow-2: rgba(224, 165, 38, .10);
  --shadow-card: 0 10px 28px rgba(23, 26, 43, .10);
  --shadow-modal: 0 -10px 40px rgba(23, 26, 43, .22);
  --locked-filter: grayscale(1) opacity(.38);

  /* type scale */
  --t-xs: 12px;
  --t-sm: 13px;
  --t-md: 15px;
  --t-lg: 17px;
  --t-xl: 20px;
  --t-2xl: 28px;
  --t-3xl: 40px;

  /* spacing scale */
  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 24px;
  --s6: 32px;

  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 10px;
  --tap: 44px;

  --font: 'Onest', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #0f1118;
    --bg-deep: #080a10;
    --bg-card: #191c26;
    --bg-soft: rgba(255, 255, 255, .06);
    --border: rgba(255, 255, 255, .12);
    --border-strong: rgba(255, 255, 255, .24);
    --text: #eef0f7;
    --text-dim: rgba(238, 240, 247, .68);
    --accent: var(--steel-500);
    --accent-2: #3a6f9f;
    --on-accent: #0b1017;
    --common: #8fa0bf;
    --rare: #4cc4f0;
    --epic: #d9a05c;
    --legendary: #ffc453;
    --common-ink: #8fa0bf;
    --rare-ink: #4cc4f0;
    --epic-ink: #d9a05c;
    --legendary-ink: #ffc453;
    --glow: rgba(77, 135, 191, .30);
    --glow-2: rgba(224, 165, 38, .14);
    --shadow-card: 0 12px 32px rgba(0, 0, 0, .45);
    --shadow-modal: 0 -10px 40px rgba(0, 0, 0, .5);
    --locked-filter: grayscale(1) brightness(.5);
    color-scheme: dark;
  }
}

:root[data-theme='dark'] {
  --bg: #0f1118;
  --bg-deep: #080a10;
  --bg-card: #191c26;
  --bg-soft: rgba(255, 255, 255, .06);
  --border: rgba(255, 255, 255, .12);
  --border-strong: rgba(255, 255, 255, .24);
  --text: #eef0f7;
  --text-dim: rgba(238, 240, 247, .68);
  --accent: var(--steel-500);
  --accent-2: #3a6f9f;
  --on-accent: #0b1017;
  --common: #8fa0bf;
  --rare: #4cc4f0;
  --epic: #d9a05c;
  --legendary: #ffc453;
  --common-ink: #8fa0bf;
  --rare-ink: #4cc4f0;
  --epic-ink: #d9a05c;
  --legendary-ink: #ffc453;
  --glow: rgba(77, 135, 191, .30);
  --glow-2: rgba(224, 165, 38, .14);
  --shadow-card: 0 12px 32px rgba(0, 0, 0, .45);
  --shadow-modal: 0 -10px 40px rgba(0, 0, 0, .5);
  --locked-filter: grayscale(1) brightness(.5);
  color-scheme: dark;
}

/* rarity helpers: .r-<rarity> sets both the bright hue and the ink variant */
.r-common { --r: var(--common); --r-ink: var(--common-ink); }
.r-rare { --r: var(--rare); --r-ink: var(--rare-ink); }
.r-epic { --r: var(--epic); --r-ink: var(--epic-ink); }
.r-legendary { --r: var(--legendary); --r-ink: var(--legendary-ink); }

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  overflow-x: clip;              /* the burst animation scales past the viewport */
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--t-md);
  line-height: 1.45;
  overscroll-behavior-y: none;
  transition: background .2s ease, color .2s ease;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(60% 40% at 15% 0%, var(--glow), transparent 70%),
    radial-gradient(45% 30% at 95% 8%, var(--glow-2), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

::selection { background: color-mix(in srgb, var(--accent) 30%, transparent); }
