/* AI Form Checker — dark, minimal, no framework. */

:root {
  --bg: #0b0d12;
  --bg-2: #12151c;
  --card: #161a23;
  --card-2: #1b202b;
  --border: #262c3a;
  --text: #e6e9ef;
  --muted: #8a92a3;
  --accent: #4ade80;
  --accent-2: #22c55e;
  --warn: #fbbf24;
  --danger: #ef4444;
  --focus: #60a5fa;
  --radius: 14px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -20%, rgba(74, 222, 128, 0.08), transparent 50%),
    radial-gradient(900px 500px at -10% 10%, rgba(96, 165, 250, 0.05), transparent 60%),
    var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  background: rgba(11, 13, 18, 0.7);
  z-index: 10;
}

.logo { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.logo .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 12px var(--accent);
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 24px 80px;
  display: flex; flex-direction: column; gap: 24px;
}

.hero { text-align: center; margin: 24px 0 8px; }
.hero h1 {
  font-size: clamp(28px, 4.2vw, 44px);
  line-height: 1.1;
  margin: 0 0 12px;
  background: linear-gradient(180deg, #fff, #b8bfcc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .sub { color: var(--muted); max-width: 640px; margin: 0 auto; }

footer { padding: 24px; text-align: center; color: var(--muted); font-size: 13px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 12px; font-size: 18px; }
.card h3 {
  margin: 20px 0 8px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  display: flex; align-items: center; gap: 8px;
}

.grid { display: grid; gap: 24px; grid-template-columns: 1fr 1fr; }
@media (max-width: 800px) { .grid { grid-template-columns: 1fr; } }

.hidden { display: none !important; }

.row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; align-items: center; }

.field { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 200px; }
.field > span {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
}

select, input[type="text"], input[type="password"] {
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
select:focus, input:focus { border-color: var(--focus); }

button {
  font: inherit;
  border-radius: 10px;
  border: 1px solid transparent;
  padding: 10px 18px;
  cursor: pointer;
  transition: transform 0.05s, background 0.15s, border-color 0.15s;
}
button:active { transform: translateY(1px); }

button.primary {
  background: var(--accent);
  color: #06120b;
  font-weight: 600;
  border-color: var(--accent-2);
}
button.primary:hover { background: var(--accent-2); }
button.primary:disabled {
  opacity: 0.4; cursor: not-allowed;
  background: var(--card-2); color: var(--muted); border-color: var(--border);
}

button.ghost, a.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 14px;
  display: inline-block;
}
button.ghost:hover, a.ghost:hover { color: var(--text); border-color: #3a4256; }

.drop {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  color: var(--muted);
  margin-bottom: 20px;
}
.drop:hover, .drop:focus, .drop.dragover {
  border-color: var(--accent);
  background: rgba(74, 222, 128, 0.04);
  color: var(--text);
  outline: none;
}
.drop-inner p { margin: 4px 0; }
.drop-inner .hint { color: var(--muted); font-size: 13px; }
.drop svg { color: var(--accent); }

/* Video + canvas overlay */
.video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 10px;
  overflow: hidden;
}
.video-wrap video, .video-wrap canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.video-wrap video { object-fit: contain; }
.video-wrap canvas { pointer-events: none; }

.controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}
.controls #live-hud { flex: 1; font-variant-numeric: tabular-nums; }

.muted { color: var(--muted); }
.small { font-size: 12px; }

ul { padding-left: 20px; margin: 0; }
ul li { margin: 6px 0; line-height: 1.5; }

.pill {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 1px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--bg-2);
}
.pill.warn { color: var(--warn); border-color: rgba(251, 191, 36, 0.3); }
.pill.good { color: var(--accent); border-color: rgba(74, 222, 128, 0.3); }

#coach-badge {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
}

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; font-weight: 500; }
tbody tr:hover { background: rgba(255, 255, 255, 0.02); }

.danger { border-color: rgba(239, 68, 68, 0.4); }
.danger h3 { color: var(--danger); }

/* Coach settings modal */
.settings-dialog {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  min-width: min(480px, 90vw);
  box-shadow: var(--shadow);
}
.settings-dialog::backdrop { background: rgba(0, 0, 0, 0.55); }
.settings-dialog h3 { margin: 0 0 12px; font-size: 18px; letter-spacing: 0.2px; text-transform: none; color: var(--text); }
.settings-dialog form { display: flex; flex-direction: column; gap: 16px; }
.settings-dialog a { color: var(--focus); }

/* Header layout */
.topbar-right { display: flex; align-items: center; gap: 8px; }
.logo #header-coach-status { margin-left: 12px; }

/* Onboarding banner shown to first-time visitors */
.banner {
  background: linear-gradient(180deg, rgba(74, 222, 128, 0.06), rgba(96, 165, 250, 0.04));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.banner strong { display: block; margin-bottom: 6px; font-size: 15px; }
.banner p { margin: 4px 0; color: var(--muted); line-height: 1.5; }
.banner a { color: var(--focus); }
.banner-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Settings help ordered list */
.help {
  color: var(--muted);
  padding-left: 20px;
  margin: 4px 0 8px;
}
.help li { margin: 4px 0; }
.help a { color: var(--focus); }

.privacy-note {
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.privacy-note code {
  background: var(--bg-2);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 11px;
}

.settings-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* Validation message under the key input */
.validate {
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  border: 1px solid var(--border);
  background: var(--bg-2);
}
.validate.good  { color: var(--accent); border-color: rgba(74, 222, 128, 0.35); }
.validate.bad   { color: var(--danger); border-color: rgba(239, 68, 68, 0.35); }
.validate.warn  { color: var(--warn);   border-color: rgba(251, 191, 36, 0.35); }
.validate.muted { color: var(--muted); }