/* Admin Panel Styles - Hotel Digital Menu - Enhanced Beautiful Design */

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

:root {
    --admin-primary: #0f172a;
    --admin-secondary: #1e293b;
    --admin-accent: #334155;
    --admin-text: #f1f5f9;
    --admin-text-muted: #94a3b8;
    --admin-border: #334155;
    --admin-success: #10b981;
    --admin-error: #ef4444;
    --admin-warning: #f59e0b;
    --admin-info: #3b82f6;
    --admin-purple: #8b5cf6;
    --admin-sidebar-width: 260px;
    --admin-gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --admin-gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --admin-gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--admin-primary);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.1) 0px, transparent 50%);
    color: var(--admin-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(50px, 50px) rotate(360deg); }
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.login-box {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 45px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 35px;
}

.login-header h1 {
    font-size: 32px;
    margin-bottom: 10px;
    color: var(--admin-text);
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-header p {
    color: var(--admin-text-muted);
    font-size: 15px;
    font-weight: 400;
}

.login-footer {
    margin-top: 25px;
    text-align: center;
    color: var(--admin-text-muted);
    font-size: 12px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Admin Header */
.admin-header {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 18px 35px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.admin-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1600px;
    margin: 0 auto;
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 22px;
    font-weight: 700;
    background: var(--admin-gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-icon {
    font-size: 32px;
    filter: drop-shadow(0 2px 4px rgba(102, 126, 234, 0.5));
}

.admin-header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.admin-user {
    color: var(--admin-text-muted);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 15px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Admin Container */
.admin-container {
    display: flex;
    min-height: calc(100vh - 70px);
}

/* Sidebar */
.admin-sidebar {
    width: var(--admin-sidebar-width);
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 0;
    position: sticky;
    top: 70px;
    height: calc(100vh - 70px);
    overflow-y: auto;
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.2);
}

.admin-sidebar::-webkit-scrollbar {
    width: 6px;
}

.admin-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.admin-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.sidebar-menu {
    list-style: none;
    padding: 0 15px;
}

.sidebar-menu li {
    margin: 8px 0;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 14px 18px;
    color: var(--admin-text-muted);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 12px;
    position: relative;
    font-weight: 500;
    font-size: 15px;
}

.sidebar-menu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: var(--admin-gradient-1);
    border-radius: 0 4px 4px 0;
    transition: height 0.3s ease;
}

.sidebar-menu a:hover {
    background: rgba(59, 130, 246, 0.15);
    color: var(--admin-text);
    transform: translateX(5px);
}

.sidebar-menu a:hover::before {
    height: 60%;
}

.sidebar-menu a.active {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    color: var(--admin-text);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.sidebar-menu a.active::before {
    height: 80%;
}

.sidebar-menu .icon {
    font-size: 20px;
    width: 28px;
    text-align: center;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Main Content */
.admin-main {
    flex: 1;
    padding: 40px;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
    background: transparent;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 35px;
    gap: 20px;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, #f1f5f9 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    color: var(--admin-text-muted);
    margin-top: 8px;
    font-size: 16px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.stat-card {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--admin-gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    border-color: rgba(102, 126, 234, 0.5);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-icon {
    font-size: 40px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.stat-content h3 {
    font-size: 32px;
    margin-bottom: 5px;
    font-weight: 700;
    background: var(--admin-gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-content p {
    color: var(--admin-text-muted);
    font-size: 14px;
    font-weight: 500;
}

/* Tables */
.table-container {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 25px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

.data-table thead {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3) 0%, rgba(118, 75, 162, 0.3) 100%);
    backdrop-filter: blur(10px);
}

.data-table th {
    padding: 18px 20px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--admin-text);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.data-table td {
    padding: 18px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    transition: background 0.2s ease;
}

.data-table tbody tr {
    transition: all 0.2s ease;
}

.data-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: scale(1.01);
}

.table-thumbnail {
    width: 55px;
    height: 55px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.table-thumbnail-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 55px;
    height: 55px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 8px;
    font-size: 11px;
    color: var(--admin-text-muted);
    border: 2px dashed rgba(255, 255, 255, 0.2);
}

.text-center {
    text-align: center;
}

/* Forms */
.form-container {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    max-width: 900px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--admin-text);
    font-size: 14px;
    letter-spacing: 0.3px;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="url"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.8);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--admin-text);
    font-size: 15px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(102, 126, 234, 0.6);
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group small {
    display: block;
    margin-top: 8px;
    color: var(--admin-text-muted);
    font-size: 12px;
    font-style: italic;
}

.form-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 10px;
    cursor: pointer;
    accent-color: #667eea;
}

/* File Upload */
.file-upload-area {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.file-preview {
    margin-top: 15px;
}

.file-preview img,
.file-preview video {
    max-width: 250px;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--admin-gradient-1);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.6);
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--admin-text);
}

.btn-outline:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(102, 126, 234, 0.6);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 25px;
    border-left: 4px solid;
    animation: slideIn 0.3s ease-out;
    backdrop-filter: blur(10px);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--admin-error);
    color: #fca5a5;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--admin-success);
    color: #6ee7b7;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: var(--admin-warning);
    color: #fcd34d;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-secondary {
    background: rgba(160, 160, 160, 0.2);
    color: var(--admin-text-muted);
    border: 1px solid rgba(160, 160, 160, 0.3);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 30px;
    padding: 20px;
    background: rgba(30, 41, 59, 0.5);
    border-radius: 12px;
}

.pagination span {
    color: var(--admin-text-muted);
    font-weight: 500;
}

/* Dashboard Section */
.dashboard-section {
    margin-top: 40px;
}

.dashboard-section h2 {
    font-size: 28px;
    margin-bottom: 25px;
    font-weight: 700;
    color: var(--admin-text);
}

/* Responsive */
@media (max-width: 768px) {
    .admin-container {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
        position: relative;
        top: 0;
        height: auto;
        max-height: none;
    }
    
    .sidebar-menu {
        display: flex;
        overflow-x: auto;
        padding: 10px;
    }
    
    .sidebar-menu li {
        flex-shrink: 0;
    }
    
    .admin-main {
        padding: 25px 20px;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .page-header h1 {
        font-size: 28px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-container {
        padding: 25px;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn-block {
        width: 100%;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
}

::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.5);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.7);
}