/* ============================================================
   BayFlow Design System
   Matches landing page: dark theme, auto shop aesthetic
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&display=swap');

:root {
  --coal: #1a1a1a;
  --asphalt: #2d2d2d;
  --grease: #404040;
  --chrome: #e8e8e8;
  --spark: #ff6b35;
  --spark-glow: #ff8c5a;
  --bay-blue: #3d7fff;
  --oil: #0d0d0d;
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #eab308;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--oil);
  color: var(--chrome);
  min-height: 100vh;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; }

/* === TOP NAV === */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 32px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: sticky;
  top: 0;
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(12px);
  z-index: 100;
}

.top-nav .brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
  text-decoration: none;
}

.top-nav .brand span {
  color: var(--spark);
}

.top-nav .nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.top-nav .nav-links a {
  color: #888;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.top-nav .nav-links a:hover,
.top-nav .nav-links a.active {
  color: var(--spark);
}

/* === PAGE CONTAINER === */
.page-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 32px;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -1px;
  margin-bottom: 8px;
}

.page-subtitle {
  color: #666;
  font-size: 1rem;
  margin-bottom: 32px;
}

/* === CARDS === */
.card {
  background: var(--coal);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
}

/* === FORMS === */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: #999;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--asphalt);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--spark);
}

.form-group input::placeholder {
  color: #555;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--spark);
  color: #fff;
}

.btn-primary:hover {
  background: var(--spark-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--asphalt);
  color: var(--chrome);
  border: 1px solid rgba(255,255,255,0.08);
}

.btn-secondary:hover {
  background: var(--grease);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* === STATUS BADGES === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-booked {
  background: rgba(61, 127, 255, 0.15);
  color: var(--bay-blue);
}

.badge-confirmed {
  background: rgba(34, 197, 94, 0.15);
  color: var(--green);
}

.badge-in_progress {
  background: rgba(234, 179, 8, 0.15);
  color: var(--yellow);
}

.badge-completed {
  background: rgba(34, 197, 94, 0.15);
  color: var(--green);
}

.badge-cancelled {
  background: rgba(239, 68, 68, 0.15);
  color: var(--red);
}

.badge-no_show {
  background: rgba(239, 68, 68, 0.15);
  color: var(--red);
}

/* === STATS GRID === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--coal);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
}

.stat-label {
  font-size: 0.8rem;
  color: #666;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* === TIME SLOTS === */
.slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.slot-btn {
  background: var(--asphalt);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 14px;
  color: var(--chrome);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.slot-btn:hover {
  border-color: var(--spark);
  background: rgba(255, 107, 53, 0.08);
}

.slot-btn.selected {
  border-color: var(--spark);
  background: rgba(255, 107, 53, 0.15);
  color: var(--spark);
}

.slot-btn .slot-bay {
  font-size: 0.7rem;
  color: #666;
  margin-top: 4px;
}

/* === SCHEDULE GRID (Dashboard) === */
.schedule-container {
  overflow-x: auto;
}

.bay-column {
  margin-bottom: 24px;
}

.bay-header {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--spark);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 107, 53, 0.2);
}

.appointment-card {
  background: var(--asphalt);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 10px;
  transition: border-color 0.2s;
}

.appointment-card:hover {
  border-color: rgba(255, 107, 53, 0.3);
}

.appt-time {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 4px;
}

.appt-service {
  color: var(--spark);
  font-weight: 500;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.appt-customer {
  font-size: 0.9rem;
  color: var(--chrome);
}

.appt-vehicle {
  font-size: 0.8rem;
  color: #666;
  margin-top: 4px;
}

.appt-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

/* === EMPTY STATE === */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: #555;
}

.empty-state .emoji {
  font-size: 3rem;
  margin-bottom: 16px;
}

.empty-state p {
  font-size: 1rem;
}

/* === MODAL === */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--coal);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 32px;
  width: 90%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 24px;
}

/* === PIN LOCK === */
.pin-lock {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
}

.pin-lock h2 {
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 8px;
}

.pin-lock p {
  color: #666;
  margin-bottom: 24px;
}

.pin-input {
  width: 200px;
  text-align: center;
  font-size: 1.5rem;
  letter-spacing: 8px;
  padding: 16px;
  background: var(--asphalt);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  color: #fff;
  outline: none;
  margin-bottom: 16px;
}

.pin-input:focus {
  border-color: var(--spark);
}

.pin-error {
  color: var(--red);
  font-size: 0.85rem;
  margin-top: 8px;
  display: none;
}

/* === TOAST === */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--coal);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 16px 24px;
  color: #fff;
  font-weight: 500;
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  border-color: rgba(34, 197, 94, 0.3);
}

.toast.error {
  border-color: rgba(239, 68, 68, 0.3);
}

/* === TABLE === */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #666;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-size: 0.9rem;
}

.data-table tr:hover td {
  background: rgba(255,255,255,0.02);
}

/* === SUCCESS SCREEN === */
.success-screen {
  text-align: center;
  padding: 80px 20px;
}

.success-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 24px;
}

.success-screen h2 {
  font-size: 1.8rem;
  color: #fff;
  margin-bottom: 12px;
}

.success-screen p {
  color: #888;
  font-size: 1rem;
  line-height: 1.6;
  max-width: 400px;
  margin: 0 auto;
}

.success-details {
  background: var(--asphalt);
  border-radius: 12px;
  padding: 24px;
  margin: 32px auto;
  max-width: 400px;
  text-align: left;
}

.success-details .detail-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.success-details .detail-row:last-child {
  border-bottom: none;
}

.success-details .detail-label {
  color: #666;
  font-size: 0.85rem;
}

.success-details .detail-value {
  color: #fff;
  font-weight: 500;
  font-size: 0.85rem;
}

/* === LOADING === */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: #666;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid rgba(255,255,255,0.1);
  border-top-color: var(--spark);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 12px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* === DATE NAV === */
.date-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.date-nav input[type="date"] {
  background: var(--asphalt);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 10px 16px;
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  outline: none;
}

.date-nav input[type="date"]:focus {
  border-color: var(--spark);
}

.date-nav button {
  background: var(--asphalt);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--chrome);
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s;
}

.date-nav button:hover {
  border-color: var(--spark);
  color: var(--spark);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .top-nav { padding: 12px 16px; }
  .top-nav .nav-links { gap: 16px; }
  .top-nav .nav-links a { font-size: 0.8rem; }
  .page-container { padding: 24px 16px; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .slots-grid { grid-template-columns: 1fr 1fr; }
  .page-title { font-size: 1.5rem; }
}