/* milesleacy.com — Liquid Glass 27 design system
   Token doctrine: docs/adr/ + docs/CONTEXT.md. Source kits:
   ../cos/ios-27-design-system.md (canon < 1024px)
   ../cos/macos-27-design-system.md (canon >= 1024px)
   Modes switch on prefers-color-scheme only (ADR-008). */

/* ---- Tokens: mobile (iOS 27), light ---- */
:root {
  color-scheme: light dark;

  --purple: #CB30E0;
  --accent: var(--purple);

  --bg-base: #FFFFFF;
  --bg-elevated: #FFFFFF;
  --label-primary: #000000;
  --label-secondary: rgba(60, 60, 67, 0.60);
  --fill-tertiary: rgba(118, 118, 128, 0.12);
  --separator: rgba(0, 0, 0, 0.12);

  /* Labels on Liquid Glass (solid set) */
  --glass-label-primary: #1A1A1A;
  --glass-label-secondary: #727272;

  /* Glass — Regular (chrome) */
  --glass-bg: rgba(204, 204, 204, 0.70);
  --glass-shadow:
    0 18px 46px rgba(0, 0, 0, 0.25),
    inset 0 1px 1.5px rgba(255, 255, 255, 0.9),
    inset 0 -1px 1.5px rgba(219, 219, 219, 0.8),
    inset 1.25px 0 0 rgba(219, 219, 219, 0.6),
    inset -1.25px 0 0 rgba(219, 219, 219, 0.6);

  /* Widget Glass tiles (ADR-004) */
  --tile-tint: 10%;
  --tile-tint-hover: 16%;
  --tile-rim:
    inset 0 1px 0 rgba(255, 255, 255, 0.60),
    inset 0 -1px 0 rgba(26, 26, 26, 0.12);

  /* Atmosphere wash (ADR-006) */
  --wash-a: rgba(203, 48, 224, 0.12);
  --wash-b: rgba(0, 136, 255, 0.08);
  --wash-c: rgba(97, 85, 245, 0.08);

  /* Type — iOS 27 Dynamic Type ramp */
  --font-system: -apple-system, BlinkMacSystemFont, "SF Pro", "SF Pro Text",
                 "Helvetica Neue", Inter, "Segoe UI", sans-serif;
  --text-body: 17px;
  --lh-body: 1.294;
  --text-section: 20px;     /* Title 3 */
  --weight-section: 600;
  --text-caption: 13px;     /* Footnote */
  --lh-caption: 1.385;
  --text-bar: 17px;         /* Headline */

  --radius-tile: 20px;
  --radius-chip: 10px;
}

/* ---- Tokens: mobile (iOS 27), dark ---- */
@media (prefers-color-scheme: dark) {
  :root {
    --purple: #DB34F2;
    --bg-base: #000000;
    --bg-elevated: #1C1C1E;
    --label-primary: #FFFFFF;
    --label-secondary: rgba(235, 235, 245, 0.60);
    --fill-tertiary: rgba(118, 118, 128, 0.24);
    --separator: rgba(255, 255, 255, 0.12);
    --glass-label-primary: #EDEDED;
    --glass-label-secondary: #8A8A8A;
    --glass-bg: rgba(26, 26, 26, 0.60);
    --glass-shadow:
      0 18px 48px rgba(0, 0, 0, 0.45),
      inset 0 1px 1.5px rgba(64, 64, 64, 1),
      inset 0 -1px 1.5px rgba(64, 64, 64, 0.9),
      inset 1.25px 0 0 rgba(166, 166, 166, 0.6),
      inset -1.25px 0 0 rgba(166, 166, 166, 0.6);
    --tile-tint: 16%;
    --tile-tint-hover: 22%;
    --tile-rim:
      inset 0 1px 0 rgba(102, 102, 102, 0.30),
      inset 0 -1px 0 rgba(26, 26, 26, 0.30);
    --wash-a: rgba(219, 52, 242, 0.18);
    --wash-b: rgba(0, 145, 255, 0.10);
    --wash-c: rgba(109, 124, 255, 0.12);
  }
}

/* ---- Tokens: desktop (macOS 27), light — ADR-001 platform switch ---- */
@media (min-width: 1024px) {
  :root {
    --label-primary: rgba(0, 0, 0, 0.85);
    --label-secondary: rgba(0, 0, 0, 0.50);
    --fill-tertiary: rgba(0, 0, 0, 0.05);
    --separator: rgba(60, 60, 67, 0.29);
    --glass-label-primary: #363636;   /* macOS vibrant labels */
    --glass-label-secondary: #737373;
    --glass-bg: rgba(255, 255, 255, 0.70);
    /* macOS web-scaled ramp (~x1.23) */
    --text-body: 16px;
    --text-section: 21px;   /* Title 2 */
    --weight-section: 700;
    --text-caption: 12px;
    --text-bar: 16px;
  }
}

/* ---- Tokens: desktop (macOS 27), dark ---- */
@media (min-width: 1024px) and (prefers-color-scheme: dark) {
  :root {
    --bg-elevated: #1E1E1E;   /* desktop elevation surface (ADR-002) */
    --label-primary: rgba(255, 255, 255, 1);
    --label-secondary: rgba(255, 255, 255, 0.55);
    --fill-tertiary: rgba(255, 255, 255, 0.05);
    --separator: rgba(255, 255, 255, 0.10);
    --glass-label-primary: rgba(255, 255, 255, 0.96);
    --glass-label-secondary: #8A8A8A;
    --glass-bg: rgba(26, 26, 26, 0.50);
    --glass-shadow:
      0 18px 48px rgba(0, 0, 0, 0.45),
      inset 0 1px 1.5px rgba(166, 166, 166, 0.8),
      inset 0 -1px 1.5px rgba(103, 103, 103, 0.9),
      inset 1.25px 0 0 rgba(166, 166, 166, 0.5),
      inset -1.25px 0 0 rgba(166, 166, 166, 0.5);
  }
}

/* ---- Base ---- */
html {
  font-size: 16px;
}
body {
  margin: 0;
  background-color: var(--bg-base);
  color: var(--label-primary);
  font-family: var(--font-system);
  font-size: var(--text-body);
  line-height: var(--lh-body);
  font-weight: 400;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: calc(env(safe-area-inset-top, 0px) + 84px)
           calc(env(safe-area-inset-right, 0px) + 16px)
           calc(env(safe-area-inset-bottom, 0px) + 16px)
           calc(env(safe-area-inset-left, 0px) + 16px);
}

/* Atmosphere wash — fixed so glass lenses it while content scrolls */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(620px 440px at 12% -8%, var(--wash-a), transparent 65%),
    radial-gradient(560px 420px at 96% 32%, var(--wash-b), transparent 60%),
    radial-gradient(640px 480px at 38% 112%, var(--wash-c), transparent 60%);
}

::selection {
  background: color-mix(in srgb, var(--accent) 30%, transparent);
}
a {
  color: var(--accent);
}
:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 30%, transparent);
  outline-offset: 2px;
}

/* ---- The bar (ADR-007) ---- */
.navbar {
  position: fixed;
  top: calc(env(safe-area-inset-top, 0px) + 12px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  max-width: calc(100vw - 32px);
  padding: 10px 26px;
  border-radius: 999px;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  backdrop-filter: blur(24px) saturate(1.8);
  box-shadow: var(--glass-shadow);
}
.title {
  margin: 0;
  font-size: var(--text-bar);
  font-weight: 600;
  line-height: 1.3;
  color: var(--glass-label-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---- Sections ---- */
.section-title {
  margin: 2rem 0 0.75rem;
  font-size: var(--text-section);
  font-weight: var(--weight-section);
  line-height: 1.25;
  color: var(--label-primary);
}
section:first-of-type .section-title {
  margin-top: 0;
}

/* ---- Widget Glass tiles (ADR-004) ---- */
.tiles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}
@media (min-width: 500px)  { .tiles { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 700px)  { .tiles { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px)  { .tiles { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1100px) { .tiles { grid-template-columns: repeat(5, 1fr); } }
@media (min-width: 1250px) { .tiles { grid-template-columns: repeat(6, 1fr); } }
@media (min-width: 1700px) { .tiles { grid-template-columns: repeat(8, 1fr); } }
@media (min-width: 2100px) { .tiles { grid-template-columns: repeat(10, 1fr); } }

.tiles li {
  border-radius: var(--radius-tile);
  background: var(--fill-tertiary);
  background: color-mix(in srgb, var(--brand) var(--tile-tint), transparent);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  backdrop-filter: blur(20px) saturate(1.5);
  box-shadow: var(--tile-rim);
}
.tiles li.owned {
  --brand: var(--accent);   /* mode-aware purple (ADR-009) */
}
.tiles a {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 14px 16px;
  border-radius: inherit;
  color: inherit;
  text-decoration: none;
}

.chip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-chip);
  background: var(--brand);
}
.chip svg {
  width: 24px;
  height: 24px;
}
.chip img {
  height: 24px;
  width: auto;
  max-width: 32px;
}

.tile-text {
  min-width: 0;
}
.tile-name {
  display: block;
  font-size: var(--text-body);
  line-height: 1.3;
  color: var(--glass-label-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tile-kind {
  display: block;
  font-size: var(--text-caption);
  line-height: 1.3;
  color: var(--glass-label-secondary);
}

/* ---- States ---- */
@media (hover: hover) {
  .tiles li:hover {
    background: color-mix(in srgb, var(--brand) var(--tile-tint-hover), transparent);
  }
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .tiles li {
    transition: background-color 150ms ease, transform 150ms ease;
  }
  .tiles li:hover {
    transform: translateY(-1px);
  }
}

/* ---- Footer ---- */
.footer p {
  margin: 3rem auto 0.5rem;
  max-width: 32rem;
  font-size: var(--text-caption);
  line-height: var(--lh-caption);
  color: var(--label-secondary);
  text-align: center;
}

/* ---- Required fallbacks ---- */
@media (prefers-reduced-transparency: reduce) {
  .navbar {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: var(--bg-base);
    border: 0.5px solid var(--separator);
    box-shadow: none;
  }
  .tiles li {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: var(--fill-tertiary);
    background: color-mix(in srgb, var(--brand) 12%, var(--bg-base));
  }
}