:root {
  --bg: #f4efe7;
  --surface: #fffaf3;
  --ink: #1d1b18;
  --accent: #a24c2f;
  --accent-2: #314b57;
  --border: #d7c8b3;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(162, 76, 47, 0.1), transparent 25%),
    linear-gradient(180deg, #f8f3eb 0%, var(--bg) 100%);
}
.topbar, .page, .grid, .stack, .actions, .video-grid { display: flex; gap: 1rem; }
.topbar, .card, dialog { border: 1px solid var(--border); }
.topbar {
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: rgba(255, 250, 243, 0.92);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
}
.page {
  flex-direction: column;
  padding: 1.5rem;
}
.grid {
  flex-wrap: wrap;
  align-items: flex-start;
}
.card {
  background: var(--surface);
  border-radius: 18px;
  padding: 1.25rem;
  flex: 1 1 320px;
  box-shadow: 0 16px 40px rgba(49, 75, 87, 0.08);
}
.narrow { max-width: 420px; margin: 2rem auto; }
.stack { flex-direction: column; }
.actions { align-items: center; }
.muted { color: #6d655c; }
.error { color: #9a1d1d; }
.success { color: #246a32; }
input, textarea, select, button {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--border);
}
button {
  background: var(--accent);
  color: white;
  cursor: pointer;
}
button:hover { background: #8c4025; }
.scroll-list, ul { padding-left: 1.2rem; }
.messages {
  min-height: 280px;
  max-height: 420px;
  overflow: auto;
  padding: 1rem;
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.message {
  margin-bottom: 0.8rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid #eee5d6;
}
.video-grid {
  flex-wrap: wrap;
}
video {
  width: min(100%, 420px);
  background: #0d0d0d;
  border-radius: 14px;
}
dialog {
  border-radius: 16px;
  padding: 1rem;
  max-width: 680px;
  width: calc(100% - 2rem);
}
dialog::backdrop {
  background: rgba(29, 27, 24, 0.55);
}
.watermark {
  font-size: 0.9rem;
  color: #6d655c;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
@media (max-width: 720px) {
  .topbar, .actions { flex-direction: column; align-items: stretch; }
}