:root {
  --bg: #0f1115;
  --panel: #161922;
  --text: #e8eaf2;
  --muted: #8b91a3;
  --accent: #6c8cff;
  --border: #232634;
  --danger: #ff6b6b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.brand { font-weight: 600; font-size: 16px; }
.topbar-right { display: flex; gap: 12px; align-items: center; }

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

.state {
  text-align: center;
  padding: 60px 20px;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.muted { color: var(--muted); }
.small { font-size: 13px; }

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tab {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 12px 18px;
  font-size: 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.1s, border-color 0.1s;
}
.card:hover { transform: translateY(-2px); border-color: var(--accent); }

.card-thumb {
  background: #0a0c12;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 32px;
}

.card-body { padding: 12px 14px; }
.card-title { font-size: 14px; font-weight: 500; margin: 0 0 4px; }
.card-meta { font-size: 12px; color: var(--muted); }

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

.back {
  background: transparent;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 14px;
  padding: 8px 0;
  margin-bottom: 12px;
}

#detail h1 { margin: 0 0 6px; }
#detail-video {
  width: 100%;
  max-width: 900px;
  margin: 16px auto;
  display: block;
  background: #000;
  border-radius: 8px;
}

.actions { display: flex; gap: 12px; justify-content: center; margin-top: 12px; }

.btn, button:not(.tab):not(.back):not(.ghost) {
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.btn:hover { opacity: 0.9; }

.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}
.ghost:hover { color: var(--text); border-color: var(--accent); }

.status-pill {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: #2a2f40;
  color: var(--muted);
}
.status-completed { background: #1f3a2c; color: #6fdc99; }
.status-failed { background: #3a1f1f; color: var(--danger); }