:root {
  --primary: #f12c35;
  --primary-dark: #991b1b;
  --bg: #0a0a0a;
  --card: #121212;
  --border: #2e2e2e;
  --text: #f5f5f5;
  --muted: #a3a3a3;
  --green: #22c55e;
  --amber: #f59e0b;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: #ff5560; }

.brand {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.brand span { color: var(--text); font-weight: 500; }
.brand-sm { font-size: 1.05rem; margin: 0; }

/* Auth */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at top, rgba(241, 44, 53, 0.12) 0%, var(--bg) 50%);
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--primary);
  border-radius: 12px;
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 12px 40px rgba(241, 44, 53, 0.08);
}

.auth-card h1 {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
  margin: 0.35rem 0 1.5rem;
}

label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
  margin-top: 1rem;
}

input[type=text], input[type=password], .filter {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.filter { width: auto; min-width: 160px; cursor: pointer; }

input:focus, .filter:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(241, 44, 53, 0.25);
}

.alert { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: 0.88rem; }
.alert-error {
  background: rgba(153, 27, 27, 0.25);
  border: 1px solid var(--primary-dark);
  color: #fecaca;
}

/* Dashboard */
header {
  background: var(--card);
  border-bottom: 2px solid var(--primary);
  padding: 0.85rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.header-left { display: flex; align-items: baseline; gap: 0.75rem; }
header h1 { font-size: 0.9rem; font-weight: 400; color: var(--muted); }

.header-right { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

.user-badge {
  background: rgba(241, 44, 53, 0.1);
  border: 1px solid var(--primary-dark);
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
}

.stat { font-size: 0.85rem; color: var(--muted); }
.stat strong { color: var(--primary); }

.toolbar {
  padding: 0.85rem 2rem;
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  background: #0e0e0e;
}

main { padding: 1.5rem 2rem; }

.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.lab-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary-dark);
  border-radius: 10px;
  padding: 1.25rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.lab-card:hover {
  border-color: var(--primary);
  border-left-color: var(--primary);
  box-shadow: 0 4px 20px rgba(241, 44, 53, 0.12);
}

.lab-card-header { display: flex; justify-content: space-between; margin-bottom: 0.75rem; }
.lab-card h2 { font-size: 1.05rem; margin-bottom: 0.5rem; color: var(--text); }
.lab-desc { font-size: 0.85rem; color: var(--muted); margin-bottom: 0.5rem; line-height: 1.5; }
.lab-ttl { font-size: 0.78rem; color: var(--primary); margin-bottom: 0.75rem; font-weight: 500; }
.lab-url { font-size: 0.78rem; margin-bottom: 0.75rem; word-break: break-all; }
.lab-url code { background: var(--surface2); color: var(--primary); padding: 0.2rem 0.45rem; border-radius: 4px; }

.lab-actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.btn,
button.btn,
a.btn {
  padding: 0.5rem 1rem;
  border: 1px solid #f12c35;
  background: #f12c35;
  color: #fff;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  display: inline-block;
  text-align: center;
  text-decoration: none;
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn:hover:not(:disabled),
a.btn:hover {
  background: #991b1b;
  border-color: #991b1b;
  color: #fff;
  text-decoration: none;
}

.btn:disabled {
  background: #991b1b;
  border-color: #991b1b;
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary,
.btn-open,
.btn-danger {
  background: #f12c35;
  border-color: #f12c35;
  color: #fff;
}

.btn-primary:hover:not(:disabled),
.btn-open:hover,
.btn-danger:hover {
  background: #991b1b;
  border-color: #991b1b;
  color: #fff;
}

.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.78rem; }
.btn-block { width: 100%; margin-top: 1.25rem; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-cat {
  background: rgba(241, 44, 53, 0.15);
  color: var(--primary);
  border: 1px solid rgba(241, 44, 53, 0.35);
}

.badge-ready { background: rgba(34, 197, 94, 0.12); color: var(--green); }
.badge-starting { background: rgba(245, 158, 11, 0.12); color: var(--amber); }
.badge-stopped { background: #1f1f1f; color: var(--muted); }

#toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  max-width: 380px;
  padding: 1rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  z-index: 100;
  font-size: 0.85rem;
}

#toast.show { display: block; }
#toast.ok { border-color: var(--green); }
#toast.err { border-color: var(--primary); background: rgba(153, 27, 27, 0.2); }

@media (max-width: 600px) {
  header, .toolbar, main { padding-left: 1rem; padding-right: 1rem; }
  .filter { flex: 1; min-width: 0; }
}