* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #f4f5f7;
  color: #1a1a1a;
}
a { color: var(--color-primary, #1d4ed8); }
.link-button {
  background: none; border: none; color: inherit; cursor: pointer; padding: 0; font: inherit; text-decoration: underline;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1.5rem; background: var(--color-secondary, #0f172a); color: #fff; flex-wrap: wrap; gap: 0.5rem;
}
.topbar-brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 600; }
.topbar-logo { height: 28px; width: auto; border-radius: 4px; }
.topbar-nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.topbar-nav a { color: #e2e8f0; text-decoration: none; padding: 0.25rem 0.5rem; border-radius: 4px; }
.topbar-nav a:hover { background: rgba(255,255,255,0.1); }
.topbar-user { display: flex; align-items: center; gap: 0.75rem; color: #e2e8f0; }
.topbar-user form { display: inline; }
.topbar-user .link-button { color: #e2e8f0; }

.page { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }

.card {
  background: #fff; border-radius: 10px; padding: 1.5rem; box-shadow: 0 1px 3px rgba(0,0,0,0.08); margin-bottom: 1.5rem;
}

h1, h2, h3 { color: var(--color-secondary, #0f172a); }

.btn {
  display: inline-block; background: var(--color-primary, #1d4ed8); color: #fff; border: none;
  padding: 0.55rem 1.1rem; border-radius: 6px; cursor: pointer; font-size: 0.95rem; text-decoration: none;
}
.btn:hover { opacity: 0.9; }
.btn-secondary { background: #64748b; }
.btn-accent { background: var(--color-accent, #f59e0b); }
.btn-danger { background: #dc2626; }
.btn-small { padding: 0.3rem 0.7rem; font-size: 0.85rem; }

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.3rem; font-size: 0.9rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.5rem; border: 1px solid #cbd5e1; border-radius: 6px; font-size: 0.95rem;
}
.form-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 180px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid #e2e8f0; font-size: 0.92rem; }
th { color: #475569; font-weight: 600; }

.flash { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: 0.92rem; }
.flash-error { background: #fee2e2; color: #991b1b; }
.flash-success { background: #dcfce7; color: #166534; }

.badge {
  display: inline-block; padding: 0.15rem 0.55rem; border-radius: 999px; font-size: 0.78rem; font-weight: 600;
  background: #e2e8f0; color: #334155;
}
.badge-live { background: #fee2e2; color: #991b1b; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } }

.timer { font-size: 2.5rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.speaker-queue-list { list-style: none; padding: 0; margin: 0; }
.speaker-queue-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.5rem 0.6rem; border-bottom: 1px solid #eef1f5;
}
.speaker-queue-list li.speaking { background: #fef9c3; border-radius: 6px; }

.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.login-card { max-width: 380px; width: 100%; }