/* Google Maps Review Card - Modern & High Performance CSS */
:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --success: #16a34a;
  --success-light: #f0fdf4;
  --warning: #eab308;
  --danger: #dc2626;
  --danger-light: #fef2f2;
  --dark: #0f172a;
  --gray-800: #1e293b;
  --gray-600: #475569;
  --gray-400: #94a3b8;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --gray-50: #f8fafc;
  --white: #ffffff;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--gray-50);
  color: var(--dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

/* Container */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

.container-sm {
  max-width: 520px;
  margin: 0 auto;
  padding: 0 16px;
  width: 100%;
}

/* Navbar */
.navbar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 40;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--dark);
}

.brand-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, #4285F4 0%, #34A853 50%, #FBBC05 75%, #EA4335 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link {
  color: var(--gray-600);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--primary);
}

/* Cards & Containers */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.card-header {
  margin-bottom: 24px;
  text-align: center;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.card-subtitle {
  color: var(--gray-600);
  font-size: 0.95rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-800);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--gray-200);
}

.btn-success {
  background: var(--success);
  color: var(--white);
}

.btn-success:hover:not(:disabled) {
  background: #15803d;
}

.btn-danger {
  background: var(--danger);
  color: var(--white);
}

.btn-danger:hover:not(:disabled) {
  background: #b91c1c;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--gray-200);
  color: var(--gray-800);
}

.btn-outline:hover:not(:disabled) {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 14px 24px;
  font-size: 1.05rem;
}

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

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 6px;
}

.form-help {
  display: block;
  font-size: 0.8rem;
  color: var(--gray-600);
  margin-top: 4px;
}

.form-input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  background: var(--white);
  color: var(--dark);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-input.is-valid {
  border-color: var(--success);
}

.form-input.is-invalid {
  border-color: var(--danger);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-success {
  background: var(--success-light);
  color: var(--success);
}

.badge-warning {
  background: #fefce8;
  color: #a16207;
}

.badge-danger {
  background: var(--danger-light);
  color: var(--danger);
}

.badge-secondary {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* Alerts / Notifications */
.alert {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
}

.alert-success {
  background: var(--success-light);
  color: #166534;
  border: 1px solid #bbf7d0;
}

.alert-danger {
  background: var(--danger-light);
  color: #991b1b;
  border: 1px solid #fecaca;
}

.alert-warning {
  background: #fefce8;
  color: #854d0e;
  border: 1px solid #fef08a;
}

.alert-info {
  background: var(--primary-light);
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.table th {
  background: var(--gray-50);
  padding: 12px 14px;
  font-weight: 600;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-200);
}

.table td {
  padding: 14px;
  border-bottom: 1px solid var(--gray-200);
  vertical-align: middle;
}

.table tr:hover td {
  background: var(--gray-50);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  padding: 24px;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: transform 0.2s ease;
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gray-400);
}

/* Hero & Sections */
.hero {
  padding: 60px 0 40px;
  text-align: center;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.hero-gradient {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto 30px;
}

/* Stats Box */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-box {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 18px;
  text-align: center;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--gray-600);
  margin-top: 4px;
}

/* Star Rating Preview */
.star-rating-preview {
  display: flex;
  gap: 4px;
  color: #f59e0b;
  font-size: 1.4rem;
  justify-content: center;
  margin: 12px 0;
}

/* Footer */
.footer {
  margin-top: auto;
  padding: 24px 0;
  border-top: 1px solid var(--gray-200);
  text-align: center;
  color: var(--gray-400);
  font-size: 0.85rem;
}

/* Spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

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

@media (max-width: 640px) {
  .hero-title { font-size: 1.85rem; }
  .card { padding: 20px 16px; }
}