:root {
  --bg: #0e0e10;
  --bg-2: #17171b;
  --bg-3: #20202a;
  --fg: #ececec;
  --muted: #9a9aa3;
  --accent: #d97aff;
  --solid: #4ade80;
  --shaky: #fbbf24;
  --forgot: #f87171;
  --danger: #ef4444;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  min-height: 100dvh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

main { padding: 16px; max-width: 900px; margin: 0 auto; padding-bottom: env(safe-area-inset-bottom, 0px); }

/* Topbar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: var(--bg-2);
  border-bottom: 1px solid var(--bg-3);
  padding: 10px 16px;
  display: flex; align-items: center; gap: 16px;
  padding-top: max(10px, env(safe-area-inset-top));
}
.topbar .logo { font-weight: 700; color: var(--fg); }
.topbar nav { display: flex; gap: 14px; align-items: center; margin-left: auto; flex-wrap: wrap; }
.topbar nav a { color: var(--fg); }
.logout-form { display: inline; margin: 0; }
.logout-form button.link { background: none; border: 0; color: var(--muted); cursor: pointer; padding: 0; font: inherit; }

/* Forms */
input[type="text"], input[type="password"], input[type="search"], select, textarea {
  width: 100%;
  background: var(--bg-2);
  color: var(--fg);
  border: 1px solid var(--bg-3);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 16px;
}
textarea { resize: vertical; }
input[type="file"] {
  width: 100%;
  background: var(--bg-2);
  color: var(--fg);
  border: 1px dashed var(--bg-3);
  border-radius: var(--radius);
  padding: 10px;
}
button {
  background: var(--accent);
  color: #1a0f24;
  border: 0;
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}
button.danger { background: var(--danger); color: white; }
button.link { background: none; color: var(--muted); padding: 0; font-weight: 400; }
button.link.danger { color: var(--danger); }
button:disabled { opacity: 0.5; cursor: default; }

.big-form {
  display: grid;
  gap: 12px;
  margin: 16px 0;
}
.big-form label { display: grid; gap: 4px; color: var(--muted); font-size: 13px; }
.big-form input, .big-form select, .big-form textarea { color: var(--fg); }

.error { color: var(--forgot); margin-top: 8px; }

/* Login */
.login-box {
  max-width: 320px;
  margin: 15dvh auto;
  padding: 24px;
  background: var(--bg-2);
  border-radius: var(--radius);
  text-align: center;
}
.login-box form { display: grid; gap: 12px; }

/* Filters */
.filters {
  display: flex; gap: 8px; margin: 8px 0 16px; flex-wrap: wrap;
}
.filters input[name="q"] { flex: 1 1 180px; }
.filters .clear { align-self: center; color: var(--muted); }

/* Move grid */
.move-grid {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}
.move-grid li { background: var(--bg-2); border-radius: var(--radius); overflow: hidden; }
.move-grid a { color: inherit; display: block; }
.move-grid a:hover { text-decoration: none; }
.thumb {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover;
  background: #000;
  display: block;
}
.thumb.placeholder {
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 13px;
}
.move-grid .meta { padding: 8px 10px; }
.move-grid .meta strong { display: block; }
.move-grid .family { color: var(--muted); font-size: 13px; }
.empty { color: var(--muted); padding: 24px 0; }

/* Move detail */
.move-detail h1 { margin-bottom: 4px; }
.move-detail .muted { color: var(--muted); margin-bottom: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.tag { background: var(--bg-3); border-radius: 999px; padding: 2px 10px; font-size: 13px; }
.family { background: var(--bg-3); border-radius: 999px; padding: 2px 10px; font-size: 13px; color: var(--accent); }
.difficulty { background: var(--bg-3); border-radius: 999px; padding: 2px 10px; font-size: 13px; }

.clips { display: grid; gap: 16px; margin: 16px 0; }
.clip { margin: 0; background: var(--bg-2); border-radius: var(--radius); padding: 8px; }
.clip video { width: 100%; max-height: 70dvh; border-radius: 6px; background: #000; display: block; }
.clip figcaption { color: var(--muted); padding: 6px 4px; font-size: 14px; }

.notes pre {
  background: var(--bg-2); border-radius: var(--radius); padding: 12px;
  white-space: pre-wrap; word-wrap: break-word;
  color: var(--fg); margin: 0;
}

.history ul { list-style: none; padding: 0; }
.history li { color: var(--muted); padding: 4px 0; border-bottom: 1px solid var(--bg-3); }
.r-solid { color: var(--solid); }
.r-shaky { color: var(--shaky); }
.r-forgot { color: var(--forgot); }

details {
  background: var(--bg-2); border-radius: var(--radius); padding: 12px 14px; margin: 12px 0;
}
details summary { cursor: pointer; color: var(--muted); }
details[open] summary { margin-bottom: 12px; color: var(--fg); }

.danger-row { margin-top: 32px; }

/* Drill */
.drill { display: grid; place-items: center; }
.drill-card {
  width: 100%;
  display: grid; gap: 14px;
  padding: 8px 0;
}
.drill-card.hidden { display: none; }
.drill-card header {
  display: flex; justify-content: space-between; align-items: baseline;
  color: var(--muted);
}
.drill-card .counter { font-variant-numeric: tabular-nums; }
.drill-card .name { color: var(--fg); font-size: 18px; font-weight: 600; }
.drill-card video {
  width: 100%; max-height: 70dvh; background: #000; border-radius: var(--radius);
}
.rate { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.rate button { padding: 16px 8px; font-size: 16px; color: #0e0e10; }
.rate .solid { background: var(--solid); }
.rate .shaky { background: var(--shaky); }
.rate .forgot { background: var(--forgot); }
.drill-card.done { text-align: center; padding: 24px; }