:root {
  --bg: #fbfbfa;
  --surface: #ffffff;
  --surface-2: #f2f3f5;
  --ink: #17191d;
  --muted: #515660;
  --line: #e4e6ea;
  --accent: #0d6050;
  --accent-ink: #ffffff;
  --accent-weak: #e6f2ef;
  --focus: #2563eb;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.2, 0, 0, 1);
  color-scheme: light dark;
}
:root[data-theme="dark"] {
  --bg: #0e1116;
  --surface: #161a21;
  --surface-2: #1b2029;
  --ink: #e8ebf0;
  --muted: #9aa3b2;
  --line: #2a303b;
  --accent: #4fd1b3;
  --accent-ink: #06231c;
  --accent-weak: #14332c;
  --focus: #7aa2ff;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1116;
    --surface: #161a21;
    --surface-2: #1b2029;
    --ink: #e8ebf0;
    --muted: #9aa3b2;
    --line: #2a303b;
    --accent: #4fd1b3;
    --accent-ink: #06231c;
    --accent-weak: #14332c;
    --focus: #7aa2ff;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  padding-bottom: env(safe-area-inset-bottom);
}
a { color: inherit; }
.skip-link {
  position: absolute; left: 8px; top: -48px; z-index: 100;
  background: var(--accent); color: var(--accent-ink);
  padding: 10px 16px; border-radius: 8px; text-decoration: none;
  transition: top 150ms var(--ease);
}
.skip-link:focus { top: 8px; }

header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  padding: env(safe-area-inset-top) 0 0;
}
.header-inner {
  max-width: 1400px; margin: 0 auto;
  padding: 14px clamp(1rem, 4vw, 2rem);
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; text-decoration: none; margin-right: auto; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 7px; background: var(--accent); color: var(--accent-ink);
  display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-weight: 800;
}
.stat { font-family: var(--font-mono); color: var(--muted); font-size: 0.85rem; white-space: nowrap; }

.controls {
  max-width: 1400px; margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem) 14px;
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
}
input[type="search"], select {
  font: inherit; font-size: 0.92rem;
  padding: 9px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  min-height: 44px;
}
input[type="search"] { flex: 1 1 220px; min-width: 160px; }
select { flex: 0 1 200px; }
input[type="search"]:focus, select:focus, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--focus); outline-offset: 2px;
}
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button {
  font: inherit; font-size: 0.85rem; padding: 9px 14px; min-height: 44px;
  border: 0; background: var(--surface); color: var(--muted); cursor: pointer;
  border-right: 1px solid var(--line);
}
.seg button:last-child { border-right: 0; }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
button.icon-btn {
  font: inherit; min-height: 44px; min-width: 44px; padding: 9px 12px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); cursor: pointer;
}
button.icon-btn:hover, .seg button:hover { filter: brightness(0.97); }
:root[data-theme="dark"] button.icon-btn:hover, :root[data-theme="dark"] .seg button:hover { filter: brightness(1.15); }

main { max-width: 1400px; margin: 0 auto; padding: 20px clamp(1rem, 4vw, 2rem) 60px; }
.count-line { color: var(--muted); font-size: 0.85rem; margin: 0 0 14px; font-family: var(--font-mono); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}
.card {
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  overflow: hidden; text-decoration: none; color: var(--ink);
  transition: transform 150ms var(--ease), box-shadow 150ms var(--ease), border-color 150ms var(--ease);
}
.card:hover, .card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px -12px color-mix(in srgb, var(--accent) 40%, transparent);
}
.card__media {
  position: relative; aspect-ratio: 16/10; background: var(--surface-2);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.card__media img {
  width: 100%; height: 100%; object-fit: cover; object-position: top;
  display: block;
}
.card__media .ph { color: var(--muted); font-family: var(--font-mono); font-size: 0.75rem; }
.card__src {
  position: absolute; top: 8px; left: 8px;
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.03em; text-transform: uppercase;
  background: color-mix(in srgb, var(--surface) 75%, transparent); color: var(--muted);
  padding: 3px 7px; border-radius: 6px; backdrop-filter: blur(4px);
}
.card__body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 5px; flex: 1; }
.card__cat { font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.04em; }
.card__title { font-weight: 700; font-size: 1rem; }
.card__desc { color: var(--muted); font-size: 0.85rem; flex: 1; }
.card__chips { display: flex; flex-wrap: wrap; gap: 5px; }
.chip {
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.02em;
  background: var(--accent-weak); color: var(--accent); border-radius: 999px;
  padding: 3px 9px; white-space: nowrap;
}
.card__open { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); margin-top: 6px; }
.card:hover .card__open { color: var(--accent); }

.empty { color: var(--muted); padding: 40px 0; text-align: center; }
.sentinel { height: 1px; }

.pager {
  display: none; justify-content: center; align-items: center; gap: 16px; margin-top: 28px;
  font-family: var(--font-mono); font-size: 0.85rem;
}
.pager.is-on { display: flex; }
.pager button {
  font: inherit; min-height: 44px; padding: 9px 18px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); cursor: pointer;
}
.pager button:disabled { opacity: 0.4; cursor: default; }

footer {
  max-width: 1400px; margin: 0 auto; padding: 20px clamp(1rem, 4vw, 2rem) 40px;
  color: var(--muted); font-size: 0.8rem; border-top: 1px solid var(--line);
}
footer a { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  .card { transition: none; }
}