styles.css

:root {
  --bg: #0f1115;
  --panel: #141821;
  --text: #e6eaf2;
  --muted: #9aa5b1;
  --tile: #252c3a;
  --tile-hover: #323b4f;
  --accent: #7aa2f7;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% -10%, #1a2030 10%, transparent 60%),
              radial-gradient(1000px 800px at 120% 0%, #1b2436 10%, transparent 70%),
              var(--bg);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px;
}

/* Two-column layout: sticky filters on the left */
.layout {
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 20px;
  align-items: start;
}
.sidebar { position: sticky; top: 16px; height: fit-content; }
.content { min-width: 0; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

h1 { margin: 0 0 8px; font-weight: 700; letter-spacing: 0.2px; }
h2 { margin: 24px 0 12px; font-size: 18px; letter-spacing: 0.2px; }
.sub { margin: 0 0 16px; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: 12px; }

.filters {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: end;
}

label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
select {
  color: var(--text);
  background: var(--panel);
  border: 1px solid #2a3244;
  padding: 10px 12px;
  border-radius: 10px;
  min-width: 220px;
  outline: none;
}
select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px #7aa2f733; }

input[type="text"] {
  color: var(--text);
  background: var(--panel);
  border: 1px solid #2a3244;
  padding: 10px 12px;
  border-radius: 10px;
  outline: none;
}
input[type="text"]:focus { border-color: var(--accent); box-shadow: 0 0 0 3px #7aa2f733; }

.search-sort { display: grid; gap: 12px; margin-bottom: 12px; }
.search-group { display: flex; gap: 8px; align-items: center; }
.btn.small { padding: 6px 10px; font-size: 12px; }
.sort-row { display: flex; align-items: center; gap: 8px; }
.sort-toggle { min-width: 110px; text-align: center; }
.sort-toggle.asc { background: #163922; border-color: #22c55e; color: #e8ffe8; box-shadow: inset 0 0 0 2px rgba(34,197,94,.25), 0 0 12px rgba(34,197,94,.12); }
.sort-toggle.desc { background: #3a1616; border-color: #ef4444; color: #ffe8e8; box-shadow: inset 0 0 0 2px rgba(239,68,68,.25), 0 0 12px rgba(239,68,68,.12); }

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.tile {
  background: var(--tile);
  border: 1px solid #2a3244;
  border-radius: var(--radius);
  padding: 14px;
  display: grid;
  gap: 6px;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}
.tile:hover { transform: translateY(-2px); background: var(--tile-hover); border-color: #3a4661; }
.tile .name { font-weight: 600; }
.tile .count { color: var(--muted); font-size: 12px; }

.grid-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.active-filters { margin: 6px 0 12px; }

.toolbar { display: grid; gap: 6px; justify-content: start; margin: 8px 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid #22293a;
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
}

.media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0c0f16;
}
.media img, .media video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.media video { display: none; }
.media.playing img { opacity: 0; }
.media.playing video { display: block; }

.card-body { padding: 12px 12px 14px; display: grid; gap: 8px; }
.title { font-weight: 600; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  border: 1px solid #2a3244;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  color: var(--muted);
}

/* Color accents per muscle group */
.accent-CHEST { --accent: #ef9a9a; }
.accent-BACK { --accent: #90caf9; }
.accent-LEGS { --accent: #a5d6a7; }
.accent-CORE { --accent: #ffcc80; }
.accent-ARMS { --accent: #ce93d8; }
.accent-SHOULDERS { --accent: #80cbc4; }
.accent-GLUTES { --accent: #f48fb1; }
.accent-NECK { --accent: #b39ddb; }
.accent-FULL_BODY { --accent: #ffd54f; }
.accent-OTHER { --accent: #b0bec5; }

.tile.accent { border-color: color-mix(in oklab, var(--accent), #1a2030 40%); }
.tile.accent:hover { border-color: var(--accent); box-shadow: 0 4px 24px color-mix(in oklab, var(--accent), transparent 80%); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 2px 10px;
  font-size: 12px;
  border-radius: 999px;
  border: 1px solid #2a3244;
  background: #0e121a;
}

.legend {
  display: flex; gap: 8px; align-items: center;
}
.swatch { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); border: 1px solid #2a3244; }

/* Filter sections with toggle buttons */
.filters-sections { display: grid; gap: 16px; }
.filter-block { display: grid; gap: 10px; background: #0e121a; border: 1px solid #202739; padding: 12px; border-radius: 12px; }
.block-head { display: flex; justify-content: space-between; align-items: center; }
.block-head .label { font-weight: 600; color: var(--text); }
.btnrow { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  background: var(--panel);
  color: var(--text);
  border: 1px solid #2a3244;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}
.btn:hover { background: #1a2130; border-color: #3a4661; }
.btn.active {
  background: #163922;
  border-color: #22c55e;
  color: #e8ffe8;
  box-shadow: inset 0 0 0 2px rgba(34, 197, 94, 0.25), 0 0 16px rgba(34, 197, 94, 0.12);
}
.btn.subtle { background: transparent; color: var(--muted); }
.btn.subtle:hover { color: var(--text); }

/* AND / OR mode bar */
.modebar { display: flex; align-items: center; gap: 8px; opacity: 0; transform: translateY(-6px); transition: opacity 120ms ease, transform 120ms ease; }
.filter-block:hover .modebar, .modebar.show { opacity: 1; transform: translateY(0); }
.seg { display: inline-flex; align-items: center; background: #121829; border: 1px solid #2a3244; border-radius: 999px; padding: 2px; }
.seg-btn { background: transparent; border: 0; color: var(--muted); padding: 6px 10px; border-radius: 999px; cursor: pointer; font-size: 12px; }
.seg-btn:hover { color: var(--text); }
.seg-btn.active { background: #243252; color: #e6eaf2; }

/* Modal */
.modal { position: fixed; inset: 0; background: #0008; display: grid; place-items: center; z-index: 1000; }
.modal.hidden { display: none; }
.dialog { width: min(1100px, 96vw); background: #0b0e14; border: 1px solid #2a3244; border-radius: 12px; padding: 10px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.close { position: absolute; margin-top: -6px; margin-left: -6px; transform: translate(6px, -6px); border: 1px solid #2a3244; background: #121827; color: var(--text); border-radius: 999px; width: 28px; height: 28px; cursor: pointer; }
.modal-notice { padding-top: 8px; }

/* Back to Top */
.back-to-top { position: fixed; right: 20px; top: 50%; transform: translateY(-50%); width: 40px; height: 40px; border-radius: 999px; border: 1px solid #2a3244; background: #111628; color: var(--text); cursor: pointer; display: none; align-items: center; justify-content: center; font-size: 18px; box-shadow: 0 6px 30px rgba(0,0,0,0.4); }
.back-to-top.show { display: inline-flex; }