:root {
  --bg: #f7f7f5; --card: #ffffff; --ink: #33312e; --muted: #6b6862; --line: #e4e2dd; --accent: #33312e;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 14px rgba(0,0,0,.05);
  color-scheme: light;
}
/* dark: chosen with the toggle, or the device setting when nothing has been chosen */
:root[data-theme="dark"] {
  --bg: #17171a; --card: #222226; --ink: #ecebe8; --muted: #a3a09a; --line: #34343a; --accent: #ecebe8;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 14px rgba(0,0,0,.25);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17171a; --card: #222226; --ink: #ecebe8; --muted: #a3a09a; --line: #34343a; --accent: #ecebe8;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 14px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-optical-sizing: auto; }
a { color: inherit; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px 64px; }
.loading { padding: 40px; color: var(--muted); }

header.top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 36px 0 24px; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; margin: 0 0 6px; letter-spacing: -.5px; }
.subtitle { color: var(--muted); margin: 0; font-size: 1.05rem; }

h2 { font-size: 1.15rem; font-weight: 600; margin: 32px 0 12px; display: flex; align-items: center; gap: 8px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }

.subject { position: relative; display: block; text-decoration: none; background: var(--card); border-radius: 14px; overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--line); transition: transform .12s ease; }
.subject:hover { transform: translateY(-2px); }
.subject .band { height: 92px; background: var(--c); display: flex; align-items: center; padding: 0 18px; background-size: cover; background-position: center; }
.subject .logo { font-weight: 700; font-size: 2rem; color: #fff; letter-spacing: -1px; text-shadow: 0 1px 6px rgba(0,0,0,.25); }
.subject .body { padding: 12px 16px 14px; }
.subject .name { font-weight: 600; }
.subject .stats { color: var(--muted); font-size: .85rem; margin-top: 2px; }
.subject.off { opacity: .55; pointer-events: none; }

.card { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow); text-decoration: none; }
.card img { width: 100%; height: 140px; object-fit: cover; display: block; background: var(--line); }
.card .body { padding: 12px 14px; }
.card .title { font-weight: 600; }
footer { color: var(--muted); font-size: .8rem; margin-top: 48px; }

/* ---- light / dark toggle: a sun that folds into a moon ---- */
.theme-toggle { --size: 44px; width: var(--size); height: var(--size); flex: none; border-radius: 50%; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); cursor: pointer; display: grid; place-items: center; padding: 0;
  box-shadow: var(--shadow); transition: transform .25s ease, border-color .25s ease; -webkit-tap-highlight-color: transparent; }
.theme-toggle:hover { transform: rotate(-12deg) scale(1.06); border-color: var(--muted); }
.theme-toggle:active { transform: scale(.92); }
.theme-toggle:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.theme-toggle svg { width: 24px; height: 24px; overflow: visible; }
.sun-core { transition: r .5s cubic-bezier(.34, 1.56, .64, 1); }
.moon-cut { transition: cx .5s cubic-bezier(.34, 1.56, .64, 1), cy .5s cubic-bezier(.34, 1.56, .64, 1); }
.sun-rays { transform-origin: 12px 12px; transition: transform .5s cubic-bezier(.34, 1.56, .64, 1), opacity .3s ease; }
.sun-moon { transition: transform .6s cubic-bezier(.34, 1.56, .64, 1); }
[data-mode="dark"] .sun-core { r: 9; }
[data-mode="dark"] .moon-cut { cx: 17; cy: 7; }
[data-mode="dark"] .sun-rays { transform: rotate(-90deg) scale(0); opacity: 0; }
[data-mode="dark"] .sun-moon { transform: rotate(40deg); }
.stars circle { opacity: 0; transform-box: fill-box; transform-origin: center; transform: scale(0); transition: opacity .3s ease, transform .4s cubic-bezier(.34, 1.56, .64, 1); }
[data-mode="dark"] .stars circle { opacity: 1; transform: scale(1); }
[data-mode="dark"] .stars circle:nth-child(2) { transition-delay: .12s; }
[data-mode="dark"] .stars circle:nth-child(3) { transition-delay: .22s; }

/* the new theme spreads out in a circle from the button (browsers with view transitions) */
::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
/* elsewhere colours simply fade */
body, .subject, .card, .theme-toggle { transition: background-color .35s ease, color .35s ease, border-color .35s ease; }
@media (prefers-reduced-motion: reduce) {
  .theme-toggle, .sun-core, .moon-cut, .sun-rays, .sun-moon, .stars circle, body, .subject, .card { transition: none !important; }
}