/**
 * Skeleton Loader System - Rex & Rich Hotel
 * Wave animation style with dark mode support
 * Matches exact component dimensions
 */

/* ==========================================
   BASE SKELETON STYLES
   ========================================== */

.skeleton {
    position: relative;
    overflow: hidden;
    background: #e2e5e9;
    border-radius: 4px;
}

.skeleton::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.6) 50%,
        transparent 100%
    );
    animation: skeleton-wave 1.5s ease-in-out infinite;
}

@keyframes skeleton-wave {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* ==========================================
   DARK MODE SKELETON STYLES
   ========================================== */

[data-theme="dark"] .skeleton,
.dark-mode .skeleton {
    background: #333;
}

[data-theme="dark"] .skeleton::after,
.dark-mode .skeleton::after {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.08) 50%,
        transparent 100%
    );
}

/* ==========================================
   TEXT SKELETON
   ========================================== */

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-text.skeleton-title {
    height: 1.5em;
    width: 60%;
    margin-bottom: 0.75em;
}

.skeleton-text.skeleton-subtitle {
    height: 1em;
    width: 40%;
}

.skeleton-text.skeleton-line {
    width: 100%;
}

.skeleton-text.skeleton-line-short {
    width: 70%;
}

.skeleton-text.skeleton-line-xs {
    width: 40%;
}

/* ==========================================
   SKELETON CONTAINERS
   ========================================== */

.skeleton-container {
    padding: 20px;
}

.skeleton-flex {
    display: flex;
    gap: 15px;
    align-items: center;
}

.skeleton-grid {
    display: grid;
    gap: 20px;
}

.skeleton-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.skeleton-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.skeleton-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {
    .skeleton-grid-3,
    .skeleton-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .skeleton-grid-2,
    .skeleton-grid-3,
    .skeleton-grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   ROOM CARD SKELETON - BOOKING PAGE
   Matches .room-card dimensions
   ========================================== */

.skeleton-room-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #e8e8e8;
    padding: 0;
}

[data-theme="dark"] .skeleton-room-card,
.dark-mode .skeleton-room-card {
    background: #1e1e1e;
    border-color: #333;
}

.skeleton-room-card .skeleton-image {
    width: 100%;
    height: 180px;
    border-radius: 0;
}

.skeleton-room-card .skeleton-content {
    padding: 20px;
}

.skeleton-room-card .skeleton-badge {
    width: 80px;
    height: 24px;
    border-radius: 12px;
    margin-bottom: 12px;
}

.skeleton-room-card .skeleton-room-title {
    height: 24px;
    width: 70%;
    margin-bottom: 8px;
}

.skeleton-room-card .skeleton-room-subtitle {
    height: 16px;
    width: 50%;
    margin-bottom: 16px;
}

.skeleton-room-card .skeleton-amenities {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.skeleton-room-card .skeleton-amenity {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.skeleton-room-card .skeleton-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid #f0f0f0;
}

[data-theme="dark"] .skeleton-room-card .skeleton-price-row,
.dark-mode .skeleton-room-card .skeleton-price-row {
    border-color: #333;
}

.skeleton-room-card .skeleton-price {
    width: 100px;
    height: 28px;
}

.skeleton-room-card .skeleton-button {
    width: 100px;
    height: 40px;
    border-radius: 8px;
}

/* ==========================================
   AVAILABILITY ROOM CARD SKELETON - INDEX PAGE
   Matches .room-availability-card dimensions
   ========================================== */

.skeleton-availability-card {
    background: #fff;
    border-radius: 12px;
    padding: 16px;
    border: 1px solid #e8e8e8;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

[data-theme="dark"] .skeleton-availability-card,
.dark-mode .skeleton-availability-card {
    background: #2a2a2a;
    border-color: #444;
}

.skeleton-availability-card .skeleton-room-type {
    height: 20px;
    width: 60%;
}

.skeleton-availability-card .skeleton-room-price {
    height: 24px;
    width: 40%;
}

.skeleton-availability-card .skeleton-room-status {
    height: 32px;
    width: 100%;
    border-radius: 6px;
}

/* ==========================================
   MENU ITEM SKELETON
   Matches menu item card dimensions
   ========================================== */

.skeleton-menu-item {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #e8e8e8;
}

[data-theme="dark"] .skeleton-menu-item,
.dark-mode .skeleton-menu-item {
    background: #1e1e1e;
    border-color: #333;
}

.skeleton-menu-item .skeleton-menu-image {
    width: 100%;
    height: 200px;
}

.skeleton-menu-item .skeleton-menu-content {
    padding: 16px;
}

.skeleton-menu-item .skeleton-menu-title {
    height: 20px;
    width: 70%;
    margin-bottom: 8px;
}

.skeleton-menu-item .skeleton-menu-desc {
    height: 14px;
    width: 100%;
    margin-bottom: 4px;
}

.skeleton-menu-item .skeleton-menu-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
}

.skeleton-menu-item .skeleton-menu-price {
    height: 24px;
    width: 80px;
}

.skeleton-menu-item .skeleton-menu-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

/* ==========================================
   TABLE SKELETON - ADMIN TABLES
   Matches admin table row dimensions
   ========================================== */

.skeleton-table {
    width: 100%;
    border-collapse: collapse;
}

.skeleton-table-row {
    display: flex;
    align-items: center;
    padding: 16px 12px;
    border-bottom: 1px solid #e8e8e8;
    gap: 16px;
}

[data-theme="dark"] .skeleton-table-row,
.dark-mode .skeleton-table-row {
    border-color: #333;
}

.skeleton-table-row:last-child {
    border-bottom: none;
}

.skeleton-table-cell {
    height: 18px;
}

.skeleton-table-cell.cell-sm {
    width: 60px;
}

.skeleton-table-cell.cell-md {
    width: 120px;
}

.skeleton-table-cell.cell-lg {
    width: 180px;
}

.skeleton-table-cell.cell-xl {
    width: 240px;
}

.skeleton-table-cell.cell-flex {
    flex: 1;
}

.skeleton-table-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
}

.skeleton-table-badge {
    width: 80px;
    height: 24px;
    border-radius: 12px;
}

.skeleton-table-actions {
    display: flex;
    gap: 8px;
}

.skeleton-table-action-btn {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}

/* ==========================================
   ADMIN DASHBOARD KPI CARD SKELETON
   ========================================== */

.skeleton-kpi-card {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid #e8e8e8;
}

[data-theme="dark"] .skeleton-kpi-card,
.dark-mode .skeleton-kpi-card {
    background: #1e1e1e;
    border-color: #333;
}

.skeleton-kpi-card .skeleton-kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    margin-bottom: 16px;
}

.skeleton-kpi-card .skeleton-kpi-value {
    height: 32px;
    width: 60%;
    margin-bottom: 8px;
}

.skeleton-kpi-card .skeleton-kpi-label {
    height: 14px;
    width: 80%;
}

/* ==========================================
   ADMIN ROOM STATUS SKELETON
   ========================================== */

.skeleton-room-status {
    background: #fff;
    border-radius: 12px;
    padding: 16px;
    border: 1px solid #e8e8e8;
}

[data-theme="dark"] .skeleton-room-status,
.dark-mode .skeleton-room-status {
    background: #1e1e1e;
    border-color: #333;
}

.skeleton-room-status .skeleton-status-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.skeleton-room-status .skeleton-status-title {
    height: 20px;
    width: 40%;
}

.skeleton-room-status .skeleton-status-badge {
    width: 60px;
    height: 24px;
    border-radius: 12px;
}

.skeleton-room-status .skeleton-status-bar {
    height: 8px;
    width: 100%;
    border-radius: 4px;
}

/* ==========================================
   BOOKING TABLE SKELETON - ADMIN
   Matches admin/bookings.php table
   ========================================== */

.skeleton-booking-row {
    display: grid;
    grid-template-columns: 80px 1fr 120px 120px 100px 100px 120px;
    align-items: center;
    padding: 14px 16px;
    border-bottom: 1px solid #e8e8e8;
    gap: 12px;
}

[data-theme="dark"] .skeleton-booking-row,
.dark-mode .skeleton-booking-row {
    border-color: #333;
}

@media (max-width: 1200px) {
    .skeleton-booking-row {
        grid-template-columns: 60px 1fr 100px 100px 80px;
    }
    .skeleton-booking-row .skeleton-cell:nth-child(n+6) {
        display: none;
    }
}

@media (max-width: 768px) {
    .skeleton-booking-row {
        grid-template-columns: 1fr 100px 80px;
    }
    .skeleton-booking-row .skeleton-cell:nth-child(n+4) {
        display: none;
    }
}

.skeleton-booking-row .skeleton-cell {
    height: 16px;
}

.skeleton-booking-row .skeleton-cell-id {
    width: 50px;
}

.skeleton-booking-row .skeleton-cell-guest {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.skeleton-booking-row .skeleton-cell-guest .skeleton-name {
    height: 16px;
    width: 80%;
}

.skeleton-booking-row .skeleton-cell-guest .skeleton-email {
    height: 12px;
    width: 60%;
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

.skeleton-hidden {
    display: none !important;
}

.skeleton-fade-out {
    animation: skeleton-fade 0.3s ease-out forwards;
}

@keyframes skeleton-fade {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
        visibility: hidden;
    }
}

/* Preserve space while loading */
.skeleton-placeholder {
    min-height: 200px;
}

/* Circle skeleton */
.skeleton-circle {
    border-radius: 50%;
}

/* Rounded skeleton */
.skeleton-rounded {
    border-radius: 8px;
}

/* Pill skeleton */
.skeleton-pill {
    border-radius: 50px;
}