:root {
  color-scheme: dark;
  --color-bg: #0d0f13;
  --color-surface: #1a1d24;
  --color-surface-alt: #232730;
  --color-text: #f1f2f4;
  --color-muted: #98a1ad;
  --color-primary: #3b82f6;
  --color-primary-hover: #60a5fa;
  --color-accent: #f59e0b;
  --color-border: #2c313a;
  --color-error-bg: #3a1418;
  --color-error-text: #f87171;
  --color-error-border: #5c2328;
  --color-success: #34d399;
  --radius: 10px;
  --font-display: "Rajdhani", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --glow-blue: rgba(59, 130, 246, 0.5);
  --glow-amber: rgba(245, 158, 11, 0.5);
  --glow-green: rgba(52, 211, 153, 0.5);
  --color-black-accent: #15171c;
  --color-black-accent-alt: #343a46;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Racing stripes accent bar */
.racing-stripes {
  height: 5px;
  background: repeating-linear-gradient(
    -45deg,
    var(--color-black-accent) 0px 14px,
    var(--color-black-accent-alt) 14px 28px,
    var(--color-accent) 28px 42px,
    var(--color-black-accent-alt) 42px 56px
  );
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(26, 29, 36, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding: 18px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  min-width: 0;
}

.brand-logo {
  height: 40px;
  width: auto;
  flex-shrink: 0;
  filter: drop-shadow(0 0 6px rgba(245, 158, 11, 0.3));
  transition: filter 0.25s ease;
}

.brand:hover .brand-logo {
  filter: drop-shadow(0 0 14px rgba(251, 191, 36, 0.65));
}

.tagline {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
  padding-left: 14px;
  border-left: 1px solid var(--color-border);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.lang-switch {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.lang-btn {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.lang-btn:hover {
  color: var(--color-text);
  border-color: var(--color-accent);
}

.lang-btn.active {
  background: linear-gradient(135deg, var(--color-accent), #fbbf24);
  color: var(--color-bg);
  border-color: var(--color-accent);
  box-shadow: 0 2px 10px var(--glow-amber);
}

/* Main */
main {
  padding: 32px 0 64px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: 0.01em;
}

h1 {
  font-size: 1.9rem;
  margin-bottom: 0.25em;
}

.lead {
  color: var(--color-muted);
  margin-top: 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
  color: var(--color-primary-hover);
  text-decoration: none;
  font-weight: 500;
  transition: transform 0.15s ease, color 0.15s ease;
}

.back-link:hover {
  color: var(--color-text);
  transform: translateX(-3px);
}

/* Hero */
.hero {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
  padding: 36px 28px;
  margin-bottom: 28px;
}

.hero h1 {
  margin: 0 0 8px;
}

.hero .lead {
  margin: 0;
  font-size: 1.05rem;
}

/* Service list */
.service-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}

.service-row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--stripe-color, var(--color-border));
  border-radius: var(--radius);
  padding: 14px 16px;
  text-decoration: none;
  color: var(--color-text);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.service-row.bay-tire {
  --stripe-color: var(--color-black-accent-alt);
}

.service-row.bay-detail {
  --stripe-color: var(--color-accent);
}

.service-row:hover,
.service-row:focus-visible {
  transform: translateX(4px);
  border-color: var(--color-accent);
  background: var(--color-surface-alt);
  box-shadow: 0 6px 20px -4px var(--glow-amber);
}

.service-row:active {
  transform: translateX(2px) scale(0.99);
}

.service-row-info {
  min-width: 0;
}

.service-row-info h2 {
  margin: 0;
  font-size: 1.05rem;
}

.service-row-meta {
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: 0.85rem;
}

.service-row-action {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.service-row-action .price {
  margin: 0;
  font-size: 1.1rem;
  white-space: nowrap;
}

.service-row.bay-detail .price {
  color: var(--color-accent);
}

.chevron {
  font-size: 1.6rem;
  line-height: 1;
  color: var(--color-accent);
  transition: transform 0.15s ease;
}

.service-row:hover .chevron {
  transform: translateX(4px);
}

.price {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary-hover);
  margin: 0 0 2px;
}

.description {
  color: var(--color-muted);
  font-size: 0.92rem;
  margin: 0 0 16px;
}

/* Buttons */
.btn {
  position: relative;
  display: inline-block;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-black-accent-alt), var(--color-black-accent));
  color: #fff;
  text-decoration: none;
  text-align: center;
  padding: 13px 20px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 18px var(--glow-amber);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--glow-amber);
}

.btn:hover::after {
  left: 125%;
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn-primary {
  width: 100%;
}

.btn-pulse {
  animation: glow-pulse-amber 2.6s ease-in-out infinite;
}

@keyframes glow-pulse-amber {
  0%, 100% { box-shadow: 0 4px 18px var(--glow-amber); }
  50% { box-shadow: 0 4px 28px rgba(245, 158, 11, 0.85); }
}

.btn-submitting {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: progress;
  opacity: 0.9;
}

.btn-submitting::before {
  content: "";
  width: 18px;
  height: 18px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: btn-spin 0.7s linear infinite;
  flex-shrink: 0;
}

.btn-submitting:hover {
  transform: none;
  box-shadow: none;
}

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

/* Form */
.field {
  margin-bottom: 20px;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

input[type="date"],
input[type="text"],
input[type="tel"],
input[type="email"],
textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-surface-alt);
  color: var(--color-text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-muted);
}

input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(1);
  cursor: pointer;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
  margin: 0;
}

legend {
  font-family: var(--font-display);
  font-weight: 700;
  padding: 0 6px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  margin-bottom: 0;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* Time slots */
.slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.slot-btn {
  padding: 12px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface-alt);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}

.slot-btn:hover {
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.slot-btn.selected {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25), 0 4px 14px var(--glow-blue);
}

.hint {
  color: var(--color-muted);
  font-size: 0.92rem;
}

.error {
  color: var(--color-error-text);
}

.alert {
  background: var(--color-error-bg);
  color: var(--color-error-text);
  border: 1px solid var(--color-error-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 20px;
}

/* Confirmation */
.confirmation {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px 28px;
  text-align: center;
  overflow: hidden;
}

.confirmation::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: repeating-linear-gradient(
    -45deg,
    var(--color-success) 0 10px,
    var(--color-primary-hover) 10px 20px
  );
}

.confirmation h1 {
  color: var(--color-success);
  animation: success-glow 2.4s ease-in-out infinite;
}

@keyframes success-glow {
  0%, 100% { text-shadow: 0 0 6px rgba(52, 211, 153, 0.35); }
  50% { text-shadow: 0 0 22px rgba(52, 211, 153, 0.85); }
}

.confirmation-details {
  text-align: left;
  max-width: 360px;
  margin: 24px auto;
  border-top: 1px solid var(--color-border);
}

.confirmation-details p {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  margin: 0;
  border-bottom: 1px solid var(--color-border);
}

.confirmation-details span {
  color: var(--color-muted);
}

.confirmation-number {
  margin: 20px auto 8px;
  text-align: center;
}

.confirmation-number-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.confirmation-number-value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: 0.04em;
}

.confirmation-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

/* Admin */
.admin-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 12px;
}

.admin-nav a {
  color: var(--color-muted);
  text-decoration: none;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.admin-nav a:hover {
  color: var(--color-text);
}

.admin-nav a.active {
  color: var(--color-text);
  background: var(--color-surface);
}

.admin-nav .admin-logout {
  margin-left: auto;
}

.btn-exit {
  background: #dc2626;
  border: 1px solid #dc2626;
  color: #fff !important;
  border-radius: var(--radius);
  padding: 5px 12px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.btn-exit:hover {
  background: #b91c1c;
  border-color: #b91c1c;
  color: #fff !important;
}

.btn-add-booking {
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  border-radius: var(--radius);
  padding: 5px 12px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
  text-decoration: none;
}

.btn-add-booking:hover,
.btn-add-booking.active {
  background: rgba(245, 158, 11, 0.12);
  color: var(--color-accent) !important;
}

.btn-test-alert {
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  border-radius: var(--radius);
  padding: 5px 12px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.btn-test-alert:hover {
  background: rgba(245, 158, 11, 0.12);
}

.btn-sound-toggle {
  background: transparent;
  border: 1px solid #16a34a;
  color: #16a34a;
  border-radius: var(--radius);
  padding: 5px 12px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.btn-sound-toggle:hover {
  background: rgba(22, 163, 74, 0.1);
}

.btn-sound-toggle.sound-off {
  border-color: var(--color-muted);
  color: var(--color-muted);
}

.btn-sound-toggle.sound-off:hover {
  background: rgba(152, 161, 173, 0.1);
}

.login-form {
  max-width: 320px;
}

/* Schedule / calendar list */
.day-block {
  margin-bottom: 32px;
}

.day-block h2 {
  font-size: 1.15rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
  margin-bottom: 14px;
}

.bay-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 12px;
}

.tab-btn {
  font-family: inherit;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-muted);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 32px;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.tab-btn:hover {
  color: var(--color-text);
}

.tab-btn.active {
  color: var(--color-bg);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.booking-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 10px;
}

.booking-card.bay-tire {
  border-left-color: var(--color-primary-hover);
}

.booking-card.bay-detail {
  border-left-color: var(--color-accent);
}

.card-row {
  display: flex;
  align-items: center;
  gap: 6px 12px;
  flex-wrap: wrap;
}

.card-row-1 {
  margin-bottom: 7px;
}

.card-row-2 {
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.card-notes {
  font-size: 0.82rem;
  color: var(--color-muted);
  font-style: italic;
  margin: 3px 0 6px;
}

.card-row-3 {
  font-size: 0.88rem;
  margin-top: 7px;
  padding-top: 7px;
  border-top: 1px solid var(--color-border);
}

.action-btns {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-left: auto;
}

.btn-done {
  background: #16a34a;
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.btn-done:hover {
  background: #15803d;
}

.booking-card.completed .btn-done::before {
  content: "✓ ";
}

.booking-card.completed .btn-done {
  background: #14532d;
  color: rgba(255, 255, 255, 0.65);
}

.conf-num {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.01em;
}

.bay-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-left: auto;
  white-space: nowrap;
}

.bay-badge.bay-tire {
  background: #3b82f6;
  color: #fff;
}

.bay-badge.bay-detail {
  background: #d97706;
  color: #fff;
}

.bay-icon {
  display: block;
  flex-shrink: 0;
}

.service-name {
  font-weight: 700;
}

.customer-name {
  font-weight: 600;
}

.vehicle-row {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin: 2px 0 4px;
}

/* New-booking notification banner */
@keyframes slide-down {
  from { transform: translateY(-100%); }
  to   { transform: translateY(0); }
}

#new-booking-alert {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: #16a34a;
  color: #fff;
  padding: 14px 20px;
  align-items: center;
  gap: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

#new-booking-alert.visible {
  display: flex;
  animation: slide-down 0.3s ease;
}

.alert-bell {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.alert-msg {
  flex: 1;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.alert-refresh {
  background: #fff;
  color: #16a34a;
  border: none;
  padding: 7px 18px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.alert-refresh:hover {
  background: #f0fdf4;
}

.alert-close {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  flex-shrink: 0;
  opacity: 0.8;
}

.alert-close:hover {
  opacity: 1;
}

.customer-phone {
  color: inherit;
  text-decoration: none;
  font-weight: 600;
}

.customer-phone:hover {
  text-decoration: underline;
  color: var(--color-primary-hover);
}

.order-total {
  font-weight: 700;
  color: var(--color-accent);
}

.completed-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  white-space: nowrap;
}

.booking-card.completed {
  opacity: 0.55;
}

.booking-card.completed .service-name {
  text-decoration: line-through;
}

.col-time {
  font-weight: 700;
  color: var(--color-primary-hover);
  white-space: nowrap;
}

.suv-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(248, 113, 113, 0.18);
  color: var(--color-error-text);
}

.btn-cancel {
  background: transparent;
  color: var(--color-error-text);
  border: 1px solid var(--color-error-border);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.btn-cancel:hover {
  background: var(--color-error-bg);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 18px 0;
  color: var(--color-muted);
  font-size: 0.85rem;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }

  .brand-logo {
    height: 32px;
  }

  .tagline {
    font-size: 0.8rem;
    padding-left: 10px;
  }

  .lang-btn {
    padding: 3px 8px;
    font-size: 0.75rem;
  }

  .hero {
    padding: 24px 18px;
  }

  .btn {
    font-size: 0.92rem;
    letter-spacing: 0.03em;
  }
}