* {
  box-sizing: border-box;
}

:root {
  color-scheme: light dark;
  --bg: #0f172a;
  --panel: rgba(15, 23, 42, 0.9);
  --panel-border: rgba(148, 163, 184, 0.2);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #22c55e;
  --accent-strong: #16a34a;
  --danger: #ef4444;
  --warning: #f59e0b;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1e293b, var(--bg));
  color: var(--text);
}

.app-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 1rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 1rem;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.25);
}

.hero,
.card-header,
.progress-copy,
.button-row,
.session-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.hero {
  align-items: flex-start;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-size: 0.75rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.subtitle,
.muted {
  color: var(--muted);
}

#cameraVideo {
  width: 100%;
  border-radius: 14px;
  background: #020617;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.grid.two-column {
  display: grid;
  gap: 1rem;
}

.meta-list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

.meta-list div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.meta-list dt {
  color: var(--muted);
}

.meta-list dd {
  margin: 0;
  text-align: right;
}

progress {
  width: 100%;
  height: 14px;
  margin: 0.5rem 0 1rem;
}

.stacked-info {
  display: grid;
  gap: 1rem;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, SFMono-Regular, Consolas, monospace;
  word-break: break-word;
}

.warning-list,
.session-list {
  margin: 0;
  padding-left: 1rem;
}

.warning-list li {
  color: #fde68a;
}

.session-list {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  list-style: none;
}

.session-item {
  border: 1px solid rgba(148, 163, 184, 0.15);
  border-radius: 12px;
  padding: 0.75rem;
  align-items: flex-start;
}

.session-item.active {
  border-color: rgba(34, 197, 94, 0.8);
}

.session-copy {
  display: grid;
  gap: 0.2rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.15);
  color: #bbf7d0;
  font-size: 0.85rem;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 0.75rem 1rem;
  font: inherit;
  color: white;
  background: var(--accent-strong);
  cursor: pointer;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.secondary-button {
  background: rgba(59, 130, 246, 0.8);
}

.danger-button {
  background: rgba(239, 68, 68, 0.8);
}

#textPreview {
  width: 100%;
  margin: 1rem 0;
  padding: 0.85rem;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(2, 6, 23, 0.7);
  color: var(--text);
  resize: vertical;
}

@media (min-width: 760px) {
  .grid.two-column {
    grid-template-columns: minmax(240px, 320px) 1fr;
  }
}