/* Admin Panel CSS */
:root {
    --admin-primary: #3b82f6;
    --admin-primary-dark: #2563eb;
    --admin-secondary: #64748b;
    --admin-success: #10b981;
    --admin-danger: #ef4444;
    --admin-warning: #f59e0b;
    --admin-info: #0ea5e9;
    --admin-light: #f8fafc;
    --admin-dark: #0f172a;
    --admin-sidebar-bg: #0f172a;
    --admin-sidebar-hover: rgba(255, 255, 255, 0.05);
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: #f1f5f9;
    font-size: 14px;
    color: #1e293b;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Sidebar */
.admin-sidebar {
    background-color: var(--admin-sidebar-bg);
    height: 100vh;
    height: 100dvh;
    width: 270px;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 1px 0 0 0 rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
}

.admin-sidebar .sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(30, 41, 59, 0.5);
}

.admin-sidebar .sidebar-header h4 {
    color: #ffffff;
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
}

.admin-sidebar .sidebar-header h4 i {
    font-size: 1.3rem;
    margin-right: 12px;
    color: var(--admin-primary);
}

/* Scrollable area */
.admin-sidebar .sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px 12px;
    scrollbar-width: none; /* Hide for Firefox */
}

.admin-sidebar .sidebar-content::-webkit-scrollbar {
    display: none; /* Hide for Chrome/Safari */
}

.admin-sidebar .nav-item {
    margin-bottom: 4px;
}

.admin-sidebar .nav-link {
    color: #94a3b8;
    padding: 10px 16px;
    border: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    font-weight: 500;
    font-size: 0.925rem;
    white-space: nowrap;
    text-decoration: none;
}

.admin-sidebar .nav-link span {
    display: flex;
    align-items: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.admin-sidebar .nav-link:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.03);
}

.admin-sidebar .nav-link.active {
    color: #ffffff;
    background-color: rgba(59, 130, 246, 0.1);
    box-shadow: none;
}

.admin-sidebar .nav-link.active i:first-child {
    color: var(--admin-primary);
}

.admin-sidebar .nav-link i:first-child {
    margin-right: 12px;
    font-size: 1.25rem;
    width: 24px;
    min-width: 24px; /* Prevent shrinking */
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    flex-shrink: 0;
}

.admin-sidebar .nav-link.active i:first-child {
    opacity: 1;
}

/* Submenu Styles */
.admin-sidebar .submenu {
    list-style: none;
    padding: 4px 0 8px 0;
    margin: 0;
}

.admin-sidebar .submenu .nav-item {
    margin: 0 0 2px 36px;
}

.admin-sidebar .submenu .nav-link {
    padding: 8px 12px;
    font-size: 0.875rem;
    color: #64748b;
    border-radius: 6px;
}

.admin-sidebar .submenu .nav-link:hover {
    color: #ffffff;
    background-color: transparent;
}

.admin-sidebar .submenu .nav-link.active {
    color: var(--admin-primary);
    background-color: transparent;
}

.admin-sidebar .submenu .nav-link i {
    font-size: 0.8rem;
    margin-right: 10px;
    opacity: 0.5;
}

.admin-sidebar .submenu .nav-link.active i {
    opacity: 1;
}

.admin-sidebar .transition-icon {
    transition: transform 0.3s ease;
    font-size: 0.7rem;
    margin-left: auto;
    opacity: 0.4;
}

.admin-sidebar .nav-link:not(.collapsed) .transition-icon {
    transform: rotate(180deg);
    opacity: 0.8;
}

/* Parent menu active style */
.admin-sidebar .nav-item:has(.submenu .active) > .nav-link {
    color: #ffffff;
}

/* Bottom Actions Area */
.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(15, 23, 42, 0.8);
}

.sidebar-footer .nav-link {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.sidebar-footer .nav-link.text-danger {
    color: #fca5a5 !important;
}

.sidebar-footer .nav-link.text-danger:hover {
    background-color: rgba(239, 68, 68, 0.1);
    color: #f87171 !important;
}

/* Hamburger Menu */
.hamburger-btn {
    background: var(--admin-sidebar-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    display: inline-block;
    transition: all 0.2s ease;
    height: 38px;
    min-width: 44px;
}

.hamburger-btn:hover {
    background: #1e293b;
    border-color: var(--admin-primary);
    color: white;
}

.hamburger-btn:active {
    transform: scale(0.98);
    background: #004080;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

/* Main Content */
.admin-main {
    margin-left: 280px;
    min-height: 100vh;
    background-color: var(--admin-light);
    transition: all 0.3s ease;
}

.admin-header {
    background: white;
    border-bottom: 1px solid #DEE2E6;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-content {
    padding: 30px;
}

/* Cards */
.admin-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border: none;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.active,
    .admin-sidebar.show {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .hamburger-btn {
        display: inline-block !important;
    }
    
    .sidebar-overlay.active,
    .sidebar-overlay.show {
        display: block;
    }
    
    .admin-content {
        padding: 15px;
    }
    
    .admin-header {
        padding: 10px 15px;
    }

    .sidebar-footer {
        padding-bottom: calc(20px + env(safe-area-inset-bottom));
    }
}

.admin-card .card-header {
    background: none;
    border-bottom: 1px solid #DEE2E6;
    padding: 20px;
    font-weight: 600;
}

.admin-card .card-body {
    padding: 20px;
}

/* Stats Cards */
.stats-card {
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-primary-dark));
    color: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.stats-card.success {
    background: linear-gradient(135deg, var(--admin-success), #157347);
}

.stats-card.warning {
    background: linear-gradient(135deg, var(--admin-warning), #E0A800);
}

.stats-card.info {
    background: linear-gradient(135deg, var(--admin-info), #087990);
}

.stats-card .stats-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

.stats-card .stats-number {
    font-size: 2rem;
    font-weight: bold;
    margin: 10px 0;
}

/* Tables */
.admin-table {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.admin-table th {
    background-color: var(--admin-light);
    font-weight: 600;
    border: none;
    padding: 15px;
}

.admin-table td {
    padding: 15px;
    border-top: 1px solid #DEE2E6;
    vertical-align: middle;
}

.admin-table .btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* Forms */
.admin-form .form-label {
    font-weight: 600;
    color: var(--admin-dark);
    margin-bottom: 8px;
}

.admin-form .form-control,
.admin-form .form-select {
    border: 1px solid #DEE2E6;
    border-radius: 6px;
    padding: 10px 15px;
    transition: all 0.2s ease;
}

.admin-form .form-control:focus,
.admin-form .form-select:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

/* Buttons */
.btn-admin-primary {
    background-color: var(--admin-primary);
    border-color: var(--admin-primary);
    color: white;
}

.btn-admin-primary:hover {
    background-color: var(--admin-primary-dark);
    border-color: var(--admin-primary-dark);
    color: white;
}

/* Badges */
.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.pending {
    background-color: #FFF3CD;
    color: #856404;
}

.status-badge.paid {
    background-color: #D1E7DD;
    color: #0F5132;
}

.status-badge.failed {
    background-color: #F8D7DA;
    color: #842029;
}

.status-badge.expired {
    background-color: #E2E3E5;
    color: #41464B;
}

/* Pagination */
.admin-pagination .page-link {
    color: var(--admin-primary);
    border: 1px solid #DEE2E6;
}

.admin-pagination .page-link:hover {
    background-color: var(--admin-primary);
    border-color: var(--admin-primary);
    color: white;
}

.admin-pagination .page-item.active .page-link {
    background-color: var(--admin-primary);
    border-color: var(--admin-primary);
}

/* Desktop Layout */
@media (min-width: 769px) {
    .admin-sidebar {
        transform: translateX(0);
        width: 280px;
    }
    
    .admin-main {
        margin-left: 280px;
    }
    
    /* Hide hamburger button on wide screens since sidebar is always visible */
    .hamburger-btn {
        display: none !important;
    }
}

/* Utilities */
.text-admin-primary {
    color: var(--admin-primary) !important;
}

.bg-admin-primary {
    background-color: var(--admin-primary) !important;
}

.border-admin-primary {
    border-color: var(--admin-primary) !important;
}

/* Image upload preview */
.image-preview {
    max-width: 200px;
    max-height: 200px;
    border: 2px dashed #DEE2E6;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px 0;
    padding: 20px;
    transition: all 0.3s ease;
}

.image-preview:hover {
    border-color: var(--admin-primary);
}

.image-preview img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 4px;
}

.image-preview .placeholder {
    color: #6C757D;
    text-align: center;
}

/* Charts */
.chart-container {
    position: relative;
    height: 300px;
    margin: 20px 0;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--admin-primary);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* Rich Text Editor Toolbar Styling */
.rich-text-toolbar {
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 4px 4px 0 0;
    padding: 8px;
    margin-bottom: 0;
}

.rich-text-toolbar .btn-group {
    margin-right: 8px;
}

.rich-text-toolbar .btn {
    margin: 0;
    border-color: #dee2e6;
}

.rich-text-toolbar .btn:hover {
    background-color: #e9ecef;
}

.rich-text-toolbar .btn.active {
    background-color: var(--admin-primary);
    border-color: var(--admin-primary);
    color: white;
}

.rich-text-toolbar .form-select {
    margin: 0 4px;
    min-width: 120px;
}

.rich-text-toolbar input[type="color"] {
    margin: 0 4px;
    cursor: pointer;
}

/* Rich Text Editor Content */
#editor {
    border: 1px solid #dee2e6;
    border-top: none;
    border-radius: 0 0 4px 4px;
    min-height: 200px;
    padding: 12px;
    font-size: 16px;
    line-height: 1.6;
    background-color: white;
    outline: none;
}

#editor:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

#editor p {
    margin: 0 0 8px 0;
}

#editor ul, #editor ol {
    margin: 8px 0;
    padding-left: 20px;
}

#editor li {
    margin: 4px 0;
}

/* File upload styling */
.file-upload-wrapper {
    position: relative;
    display: inline-block;
    cursor: pointer;
    width: 100%;
}

.file-upload-wrapper input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-upload-button {
    display: block;
    padding: 10px 15px;
    background-color: var(--admin-light);
    border: 2px dashed #DEE2E6;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.file-upload-button:hover {
    border-color: var(--admin-primary);
    background-color: rgba(0, 102, 204, 0.05);
}

/* Modal customizations */
.modal-header {
    background-color: var(--admin-primary);
    color: white;
}

.modal-header .btn-close {
    filter: invert(1);
}