:root {
  --bg: #0f1419;
  --card: #1a2332;
  --text: #e7ecf3;
  --muted: #8b98a9;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --border: #2a3544;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: radial-gradient(ellipse at top, #1a2744 0%, var(--bg) 55%);
  color: var(--text);
}

.header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem 1rem;
}

.header h1 {
  margin: 0 0 0.25rem;
  font-size: 1.75rem;
  font-weight: 700;
}

.subtitle {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.login-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.5rem;
}

.btn-primary,
.btn-ghost {
  border: none;
  border-radius: 8px;
  padding: 0.55rem 1rem;
  font-size: 0.92rem;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: wait;
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.login-status {
  font-size: 0.85rem;
  color: var(--muted);
}

.login-status.ok {
  color: #4ade80;
}

.login-status.err {
  color: #f87171;
}

.login-advanced {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.login-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.login-fields input {
  flex: 1;
  min-width: 160px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
}

.login-tip {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.toolbar input,
.toolbar select {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.85rem;
  font-size: 0.95rem;
}

.toolbar input {
  flex: 1;
  min-width: 200px;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem 3rem;
}

.status {
  color: var(--muted);
  margin: 0 0 1rem;
}

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: #111;
  display: block;
}

.card .info {
  padding: 0.65rem 0.75rem 0.75rem;
}

.card .name {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 0.2rem;
}

.card .meta {
  font-size: 0.72rem;
  color: var(--muted);
}

.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.footer code {
  background: var(--card);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  padding: 2rem;
}

.session-panel {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.85rem;
}

.session-panel summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--accent);
}

.session-hint {
  margin: 0.5rem 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.session-hint a {
  color: var(--accent);
}

.session-cmd {
  margin: 0.5rem 0 0;
  padding: 0.65rem 0.75rem;
  background: #0a0e14;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.78rem;
  line-height: 1.45;
  color: #b8c5d6;
}