/* ============================================
   Component Styles - Buttons, Cards, Forms, etc.
   ============================================ */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem 1.25rem;
  font-family: var(--font-family);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}
.btn:active { transform: scale(0.97); }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  color: white;
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-gray-700);
  border-color: var(--color-gray-300);
}
.btn-secondary:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-400);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-danger), #dc2626);
  color: white;
}
.btn-danger:hover {
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.btn-success {
  background: linear-gradient(135deg, var(--color-success), #059669);
  color: white;
}

.btn-sm { padding: 0.375rem 0.75rem; font-size: var(--text-xs); }
.btn-lg { padding: 0.75rem 1.75rem; font-size: var(--text-base); }
.btn-icon { padding: 0.5rem; width: 36px; height: 36px; }

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-md);
}
.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-header h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-gray-800);
}
.card-body { padding: var(--space-6); }
.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
  background: var(--color-gray-50);
}

/* --- Stat Cards --- */
.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  transition: all var(--transition-base);
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.stat-icon.teal { background: var(--color-primary-50); color: var(--color-primary-500); }
.stat-icon.amber { background: var(--color-accent-50); color: var(--color-accent-500); }
.stat-icon.green { background: var(--color-success-light); color: var(--color-success); }
.stat-icon.red { background: var(--color-danger-light); color: var(--color-danger); }
.stat-icon.blue { background: var(--color-info-light); color: var(--color-info); }

.stat-info { flex: 1; }
.stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-1);
}
.stat-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
  line-height: 1.2;
}
.stat-change {
  font-size: var(--text-xs);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.stat-change.positive { color: var(--color-success); }
.stat-change.negative { color: var(--color-danger); }

/* --- Premium Cards & Glassmorphism --- */
.glass-effect {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.premium-card {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.premium-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.premium-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--card-accent, var(--color-primary-500));
}

.premium-card.teal { --card-accent: var(--color-primary-500); }
.premium-card.indigo { --card-accent: var(--color-info); }
.premium-card.amber { --card-accent: var(--color-accent-500); }
.premium-card.rose { --card-accent: var(--color-danger); }

.premium-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: var(--color-gray-50);
  color: var(--card-accent);
}

.count-up {
  opacity: 0;
  transform: translateY(10px);
  animation: countUpFadeIn 0.8s forwards;
}

@keyframes countUpFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

/* --- Charts --- */
.chart-card {
  height: 100%;
}

.chart-container {
  position: relative;
  height: 300px;
  width: 100%;
}

/* --- Forms --- */
.form-group {
  margin-bottom: var(--space-5);
}
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}
.form-label .required {
  color: var(--color-danger);
  margin-left: 2px;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: var(--text-sm);
  font-family: var(--font-family);
  color: var(--color-gray-800);
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  outline: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary-400);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}
.form-input.error { border-color: var(--color-danger); }
.form-helper {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}
.form-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
}
.form-textarea { resize: vertical; min-height: 100px; }
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.2rem 0.625rem;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  line-height: 1.5;
}
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}
.badge-success { background: var(--color-success-light); color: #065f46; }
.badge-success .badge-dot { background: var(--color-success); }
.badge-warning { background: var(--color-warning-light); color: #92400e; }
.badge-warning .badge-dot { background: var(--color-warning); }
.badge-danger { background: var(--color-danger-light); color: #991b1b; }
.badge-danger .badge-dot { background: var(--color-danger); }
.badge-info { background: var(--color-info-light); color: #1e40af; }
.badge-info .badge-dot { background: var(--color-info); }
.badge-gray { background: var(--color-gray-100); color: var(--color-gray-600); }
.badge-primary { background: var(--color-primary-50); color: var(--color-primary-700); }

/* --- Tables --- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.table th {
  background: var(--color-gray-50);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: var(--font-semibold);
  color: var(--color-gray-600);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-color);
}
.table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-gray-100);
  color: var(--color-gray-700);
}
.table tbody tr {
  transition: background var(--transition-fast);
}
.table tbody tr:hover {
  background: var(--color-gray-50);
}
.table tbody tr:last-child td { border-bottom: none; }

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  backdrop-filter: blur(4px);
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-base);
}
.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}
.modal-header {
  padding: var(--space-5) 2.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 { font-size: var(--text-lg); font-weight: var(--font-semibold); }
.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
  font-size: 1.25rem;
}
.modal-close:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}
.modal-body { padding: 1.5rem 2.5rem; }
.modal-footer {
  padding: var(--space-4) 2.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* --- Toast/Notification --- */
.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.toast {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 320px;
  max-width: 480px;
  animation: slideInRight 0.3s ease;
}
.toast-success { border-color: var(--color-success); }
.toast-error { border-color: var(--color-danger); }
.toast-warning { border-color: var(--color-warning); }
.toast-info { border-color: var(--color-info); }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* --- Room Status Colors --- */
.room-status-vacant { --room-color: var(--color-success); }
.room-status-occupied { --room-color: var(--color-info); }
.room-status-deposited { --room-color: var(--color-accent-500); }
.room-status-checkout_soon { --room-color: var(--color-warning); }
.room-status-under_maintenance { --room-color: var(--color-danger); }

/* --- Loading Spinner --- */
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
}

.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  color: var(--color-gray-400);
}
.empty-state-icon { font-size: 3rem; margin-bottom: var(--space-4); }
.empty-state h3 { font-size: var(--text-lg); color: var(--color-gray-600); margin-bottom: var(--space-2); }
.empty-state p { font-size: var(--text-sm); }

/* --- Document Upload Slots --- */
.upload-slot {
  position: relative;
  aspect-ratio: 3 / 2;
  border: 2px dashed var(--color-gray-200);
  border-radius: var(--radius-md);
  background: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.upload-slot:hover {
  border-color: var(--color-primary-500);
  background: var(--color-primary-50);
}
.upload-slot-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--color-gray-500);
  font-size: 0.75rem;
  text-align: center;
  padding: 8px;
  z-index: 5;
}
.upload-slot-placeholder span:first-child {
  font-size: 1.5rem;
  margin-bottom: 4px;
}
.upload-slot-content {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: white;
}
.upload-slot-content img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Responsive Grid --- */
.grid { display: grid; gap: var(--space-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* --- Utilities --- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-muted { color: var(--color-gray-500); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}
.hidden { display: none !important; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.w-full { width: 100%; }
.currency::after { content: ' đ'; }

/* ============================================
   Map/Layout View Styles (2D Floor Plan)
   ============================================ */
.map-view-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding: var(--space-4) 0;
}

.floor-plan {
  background: var(--color-gray-50);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: relative;
  overflow-x: auto;
}

.floor-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  color: var(--color-gray-800);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.floor-grid {
  display: grid;
  /* Adjust based on the max mapX. Our building has max 5 rooms horizontally */
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: var(--space-3);
  position: relative;
  /* Add corridor space at the bottom */
  padding-bottom: 60px;
  padding-top: 0;
}

.floor-corridor {
  position: absolute;
  bottom: 0px;
  top: auto;
  left: 0;
  right: 0;
  height: 48px;
  background: var(--color-gray-200);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.map-room {
  background: var(--color-white);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  min-height: 100px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  grid-column: span var(--map-w, 1);
  grid-row: span var(--map-h, 1);
  /* The layout logic: CSS grid places items automatically. 
     If we want exact placement, we use grid-column-start/grid-row-start.
     For our simple 1-row layout, auto placement works fine. */
}

.map-room:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.map-room-number {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-1);
}

.map-room-info {
  font-size: var(--text-xs);
  color: var(--color-gray-600);
  text-align: center;
}

/* Map Status Colors */
.map-room.status-VACANT {
  border-color: var(--color-success);
  background: var(--color-success-light);
}
.map-room.status-VACANT:hover {
  background: #d1fae5;
}

.map-room.status-OCCUPIED {
  border-color: var(--color-gray-400);
  background: var(--color-gray-100);
  opacity: 0.8;
}

.map-room.status-DEPOSITED {
  border-color: var(--color-accent-500);
  background: var(--color-accent-50);
}

/* Map specific icon */
.map-room-icon {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  font-size: 1.25rem;
}

.map-room.status-VACANT .map-room-icon::after { content: '✨'; }
.map-room.status-OCCUPIED .map-room-icon::after { content: '👤'; }
.map-room.status-DEPOSITED .map-room-icon::after { content: '🔒'; }

/* Minimap */
.minimap-wrapper {
  background: var(--color-gray-50);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  margin-bottom: var(--space-4);
}
.minimap-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  padding-bottom: 16px;
  padding-top: 0;
  position: relative;
}
.minimap-corridor {
  position: absolute;
  bottom: 0;
  top: auto;
  left: 0;
  right: 0;
  height: 12px;
  background: var(--color-gray-300);
  border-radius: 2px;
}
.minimap-room {
  height: 30px;
  background: var(--color-gray-200);
  border-radius: 2px;
  position: relative;
}
.minimap-room.active {
  background: var(--color-primary-500);
}
.minimap-marker {
  width: 8px;
  height: 8px;
  background: var(--color-danger);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.4);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  70% { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* --- Zalo Progress Widget --- */
.zalo-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 330px;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  z-index: 1500;
  overflow: hidden;
  animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

@keyframes slideUp {
  from { transform: translateY(100%) scale(0.9); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.zalo-widget-header {
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(90deg, #2563eb, #1d4ed8);
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
}

.zalo-widget-header button {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: background 0.2s;
}

.zalo-widget-header button:hover { background: rgba(255, 255, 255, 0.3); }

.zalo-widget-body { padding: var(--space-4); }

.zalo-widget-progress-container {
  height: 10px;
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
  overflow: hidden;
}

.zalo-widget-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #2563eb, #3b82f6);
  width: 0%;
  transition: width 0.5s ease;
}

.zalo-widget-stats {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  margin-bottom: var(--space-2);
  font-weight: var(--font-medium);
}

.zalo-widget-status {
  font-size: 11px;
  color: var(--color-gray-500);
  text-align: center;
  font-style: italic;
  margin-top: 4px;
}

.zalo-widget-errors {
  max-height: 120px;
  overflow-y: auto;
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--border-color);
  font-size: 11px;
}

.zalo-widget-error-item {
  color: var(--color-danger);
  margin-bottom: 4px;
  display: flex;
  gap: 6px;
  line-height: 1.4;
}

.zalo-widget-error-item span:first-child { flex-shrink: 0; opacity: 0.8; }