:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --error: #ef4444;
  --radius: 10px;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.brand h1 { margin: 0; font-size: 1.5rem; }
.tagline { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.9rem; }

.badge {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.badge--ok { background: rgba(34, 197, 94, 0.2); color: var(--success); }
.badge--err { background: rgba(239, 68, 68, 0.2); color: var(--error); }
.badge--muted { background: var(--border); color: var(--muted); }

.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem 3rem;
}

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

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.panel h2 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.field span { font-size: 0.85rem; color: var(--muted); }
.field small { font-size: 0.75rem; color: var(--muted); }

.field input,
.field select {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

.field--check {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}

.form-grid { max-width: 480px; }

.btn {
  padding: 0.55rem 1rem;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 600;
}

.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-hover); }
.btn--primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn--ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  margin-top: 0.5rem;
}
.btn--sm { padding: 0.35rem 0.65rem; font-size: 0.8rem; }

.msg {
  margin-top: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
}
.msg--ok { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.msg--err { background: rgba(239, 68, 68, 0.15); color: var(--error); }

.result {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg);
  border-radius: 6px;
  font-size: 0.9rem;
  word-break: break-all;
}
.result a { color: var(--accent); }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.gallery:empty { display: none; }

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  background: #000;
}

.card-body {
  padding: 0.5rem 0.65rem;
  font-size: 0.75rem;
}

.card-body a {
  color: var(--accent);
  text-decoration: none;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.muted { color: var(--muted); font-size: 0.9rem; }

.gallery-toolbar {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.gallery-toolbar select {
  flex: 1;
  min-width: 160px;
  padding: 0.5rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
}