* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, sans-serif; background: #f0f4f8; color: #1a1a2e; min-height: 100vh; }
a { color: #2563eb; text-decoration: none; }
a:hover { text-decoration: underline; }

/* Auth pages: narrow centered container */
.container { max-width: 420px; margin: 0 auto; padding: 1rem; }

/* Dashboard: wide container for desktop */
.container--wide { max-width: 1100px; margin: 0 auto; padding: 1rem; }
.dashboard-layout .nav { max-width: 1100px; margin-left: auto; margin-right: auto; padding-left: 1rem; padding-right: 1rem; }

.card { background: #fff; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); padding: 2rem; margin-top: 1rem; }
.logo { text-align: center; margin-bottom: 1.5rem; }
.logo img { max-width: 180px; height: auto; }
.logo-text { font-size: 1.75rem; font-weight: 700; color: #1a1a2e; letter-spacing: -0.02em; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-weight: 500; margin-bottom: 0.35rem; font-size: 0.9rem; }
.form-group input { width: 100%; padding: 0.65rem 0.85rem; border: 1px solid #cbd5e1; border-radius: 8px; font-size: 1rem; }
.form-group input:focus { outline: none; border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }
.form-group select { width: 100%; padding: 0.65rem 0.85rem; border: 1px solid #cbd5e1; border-radius: 8px; font-size: 1rem; background: #fff; }
.form-group select:focus { outline: none; border-color: #2563eb; }
.btn { display: inline-block; width: 100%; padding: 0.75rem 1rem; font-size: 1rem; font-weight: 600; text-align: center; border: none; border-radius: 8px; cursor: pointer; transition: background 0.2s; }
.btn-primary { background: #2563eb; color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-secondary { background: #e2e8f0; color: #334155; margin-top: 0.5rem; }
.btn-secondary:hover { background: #cbd5e1; }
.links { text-align: center; margin-top: 1.25rem; font-size: 0.9rem; }
.links a { margin: 0 0.5rem; }
.alert { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.9rem; }
.alert-error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alert-info { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }

.nav { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; justify-content: center; padding: 0.75rem 1rem; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,0.08); margin-bottom: 1rem; }
.nav a { padding: 0.5rem 0.75rem; border-radius: 6px; font-weight: 500; }
.nav a:hover { background: #f1f5f9; text-decoration: none; }
.nav .active { background: #2563eb; color: #fff; }
.nav .active:hover { background: #1d4ed8; color: #fff; }

/* Dashboard grid: 3 columns on desktop, 1 on mobile */
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin: 1rem 0; }
.stat-card { background: #fff; padding: 1.25rem; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.06); text-align: center; }
.stat-card .label { font-size: 0.85rem; color: #64748b; margin-bottom: 0.25rem; }
.stat-card .value { font-size: 1.5rem; font-weight: 700; color: #1a1a2e; }

/* Desktop: dashboard layout and forms */
@media (min-width: 768px) {
  .dashboard-grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
  .stat-card { padding: 1.5rem; }
  .stat-card .label { font-size: 0.9rem; }
  .stat-card .value { font-size: 1.75rem; }
  .dashboard-layout .card { padding: 2rem 2.5rem; }
  .dashboard-layout .card h1 { font-size: 1.5rem; }
  .dashboard-layout .form-limit { max-width: 400px; }
  .dashboard-layout .btn { width: auto; min-width: 180px; }
}

/* Mobile overrides */
@media (max-width: 480px) {
  .card { padding: 1.5rem; }
  .nav { gap: 0.25rem; }
  .dashboard-grid { grid-template-columns: 1fr; }
}