@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-hover: #252535;
    --bg-card: rgba(18, 18, 26, 0.6);
    
    --text-primary: #ffffff;
    --text-secondary: #b4b4c8;
    --text-muted: #7a7a8e;
    
    --sakura-primary: #ff4d7d;
    --sakura-secondary: #ff6b9d;
    --sakura-accent: #ff8fab;
    --sakura-light: #ffb3d1;
    --sakura-glow: rgba(255, 77, 125, 0.5);
    
    --accent-blue: #00d4ff;
    --accent-purple: #9945ff;
    --accent-green: #14f195;
    --accent-yellow: #ffd01e;
    
    --border-primary: rgba(255, 255, 255, 0.08);
    --border-secondary: rgba(255, 255, 255, 0.05);
    --border-glow: rgba(255, 77, 125, 0.3);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 24px 96px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(255, 77, 125, 0.3);
    
    --blur-sm: blur(8px);
    --blur-md: blur(16px);
    --blur-lg: blur(24px);
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    --success: #14f195;
    --warning: #ffd01e;
    --danger: #ff4757;
}

/* Admin Container & Layout */
.admin-container {
    display: flex;
    min-height: 100vh;
    background: var(--bg-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background */
.admin-container::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, var(--sakura-glow) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(153, 69, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    z-index: 0;
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-20px, -20px) scale(1.1); }
    66% { transform: translate(20px, -10px) scale(0.95); }
}

/* Modern Sidebar */
.admin-sidebar {
    width: 280px;
    background: rgba(18, 18, 26, 0.8);
    backdrop-filter: var(--blur-md);
    padding: 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    border-right: 1px solid var(--border-primary);
    box-shadow: var(--shadow-lg);
    z-index: 10;
    transition: all var(--transition-normal);
}

.admin-logo {
    padding: 32px;
    border-bottom: 1px solid var(--border-primary);
    text-align: center;
    background: rgba(26, 26, 37, 0.5);
    position: relative;
    overflow: hidden;
}

.admin-logo::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--sakura-glow) 0%, transparent 70%);
    opacity: 0.2;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.admin-logo h2 {
    margin: 0;
    font-size: 28px;
    font-weight: 800;
    font-family: 'Space Grotesk', sans-serif;
    background: linear-gradient(135deg, var(--sakura-primary), var(--sakura-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

/* Modern Navigation */
.admin-nav ul {
    list-style: none;
    padding: 16px;
    margin: 0;
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
    border-radius: 12px;
    font-weight: 500;
    margin-bottom: 4px;
    position: relative;
    overflow: hidden;
}

.admin-nav a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(135deg, var(--sakura-primary), var(--sakura-accent));
    transform: scaleY(0);
    transition: transform var(--transition-normal);
}

.admin-nav a::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--sakura-primary), var(--sakura-secondary));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.admin-nav a:hover {
    color: var(--text-primary);
    background: rgba(255, 77, 125, 0.1);
    transform: translateX(4px);
}

.admin-nav a:hover::before {
    transform: scaleY(1);
}

.admin-nav a.active {
    color: white;
    background: rgba(255, 77, 125, 0.15);
}

.admin-nav a.active::before {
    transform: scaleY(1);
}

.admin-nav a.active::after {
    opacity: 0.1;
}

.admin-nav a i {
    font-size: 18px;
    width: 24px;
    text-align: center;
    position: relative;
    z-index: 1;
}

/* Modern Main Content */
.admin-main {
    flex: 1;
    margin-left: 280px;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    position: relative;
    z-index: 1;
}

/* Modern Header */
.admin-header {
    background: rgba(18, 18, 26, 0.8);
    backdrop-filter: var(--blur-sm);
    padding: 20px 32px;
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 9;
}

.admin-header h1 {
    margin: 0;
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 700;
    font-family: 'Space Grotesk', sans-serif;
}

.admin-user-info {
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.admin-content {
    padding: 32px;
    flex: 1;
}

/* Modern Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: rgba(18, 18, 26, 0.6);
    backdrop-filter: var(--blur-sm);
    padding: 32px;
    border-radius: 20px;
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--sakura-glow) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-glow);
}

.stat-card:hover::before {
    opacity: 0.1;
}

.stat-number {
    font-size: 42px;
    font-weight: 800;
    color: var(--sakura-primary);
    margin-bottom: 8px;
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    animation: countUp 1s ease-out;
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Modern Sections */
.admin-sections {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.admin-section {
    background: rgba(18, 18, 26, 0.6);
    backdrop-filter: var(--blur-sm);
    padding: 32px;
    border-radius: 20px;
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.admin-section:hover {
    box-shadow: var(--shadow-lg);
}

.admin-section h2 {
    margin: 0 0 24px 0;
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 700;
    font-family: 'Space Grotesk', sans-serif;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-secondary);
}

.admin-section h2 i {
    color: var(--sakura-primary);
    font-size: 20px;
}

/* Modern Category Stats */
.category-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.category-stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: rgba(26, 26, 37, 0.4);
    border-radius: 12px;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.category-stat-item:hover {
    background: rgba(255, 77, 125, 0.1);
    border-color: var(--border-glow);
    transform: translateX(4px);
}

.category-name {
    font-weight: 600;
    color: var(--text-primary);
}

.category-count {
    color: var(--text-muted);
    font-size: 14px;
    background: rgba(255, 77, 125, 0.1);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border-glow);
    font-weight: 600;
}

/* Modern Recent Pages */
.recent-pages {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.recent-page-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: rgba(26, 26, 37, 0.4);
    border-radius: 12px;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.recent-page-item:hover {
    background: rgba(255, 77, 125, 0.05);
    border-color: var(--border-glow);
    transform: translateY(-2px);
}

.page-info h4 {
    margin: 0 0 8px 0;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
}

.page-info h4 a {
    color: var(--sakura-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.page-info h4 a:hover {
    color: var(--sakura-accent);
    text-decoration: underline;
}

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

/* Modern Forms */
.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: rgba(26, 26, 37, 0.6);
    backdrop-filter: var(--blur-sm);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 15px;
    transition: all var(--transition-normal);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--sakura-primary);
    box-shadow: 0 0 0 3px var(--sakura-glow);
    background: rgba(26, 26, 37, 0.8);
}

.form-control.large {
    min-height: 400px;
    resize: vertical;
}

.form-control small {
    display: block;
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 13px;
}

/* Modern Editor Container */
.editor-container {
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    overflow: hidden;
    background: rgba(26, 26, 37, 0.6);
    box-shadow: var(--shadow-md);
}

/* Modern Alerts */
.alert {
    padding: 18px 24px;
    border-radius: 12px;
    margin-bottom: 24px;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 500;
    backdrop-filter: var(--blur-sm);
    animation: slideIn var(--transition-normal) ease-out;
}

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

.alert::before {
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 18px;
}

.alert-success {
    background: linear-gradient(135deg, rgba(20, 241, 149, 0.15), rgba(20, 241, 149, 0.05));
    border-color: var(--success);
    color: var(--success);
}

.alert-success::before {
    content: '\f00c';
}

.alert-error {
    background: linear-gradient(135deg, rgba(255, 71, 87, 0.15), rgba(255, 71, 87, 0.05));
    border-color: var(--danger);
    color: var(--danger);
}

.alert-error::before {
    content: '\f071';
}

/* Modern Table */
.page-table {
    width: 100%;
    background: rgba(18, 18, 26, 0.6);
    backdrop-filter: var(--blur-sm);
    border-radius: 20px;
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

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

.page-table th,
.page-table td {
    padding: 18px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border-secondary);
}

.page-table th {
    background: rgba(255, 77, 125, 0.1);
    font-weight: 700;
    color: var(--sakura-primary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.page-table td {
    color: var(--text-secondary);
}

.page-table tr {
    transition: all var(--transition-fast);
}

.page-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.page-table strong {
    color: var(--text-primary);
}

.page-table code {
    background: rgba(153, 69, 255, 0.15);
    padding: 6px 12px;
    border-radius: 8px;
    font-family: 'Fira Code', monospace;
    font-size: 13px;
    color: var(--accent-purple);
    border: 1px solid rgba(153, 69, 255, 0.3);
}

/* Modern Badges */
.badge {
    background: linear-gradient(135deg, rgba(255, 77, 125, 0.15), rgba(255, 143, 171, 0.05));
    color: var(--sakura-primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--border-glow);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Modern Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--sakura-primary), var(--sakura-secondary));
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px var(--sakura-glow);
    position: relative;
    overflow: hidden;
}

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

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px var(--sakura-glow);
}

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

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

.btn-secondary {
    background: rgba(37, 37, 53, 0.6);
    backdrop-filter: var(--blur-sm);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: rgba(37, 37, 53, 0.8);
    border-color: var(--sakura-primary);
    box-shadow: 0 0 20px var(--sakura-glow);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #ff6b7a);
    box-shadow: 0 4px 20px rgba(255, 71, 87, 0.3);
}

.btn-danger:hover {
    box-shadow: 0 8px 28px rgba(255, 71, 87, 0.4);
}

/* Modern Login */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 20px;
    position: relative;
}

.login-container::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, var(--sakura-glow) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(153, 69, 255, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.login-box {
    background: rgba(18, 18, 26, 0.8);
    backdrop-filter: var(--blur-md);
    padding: 56px;
    border-radius: 24px;
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 1;
}

.login-logo {
    text-align: center;
    margin-bottom: 40px;
}

.login-logo h1 {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--sakura-primary), var(--sakura-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 12px 0;
    font-family: 'Space Grotesk', sans-serif;
}

.login-logo p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 15px;
}

.login-form .form-group {
    position: relative;
    margin-bottom: 24px;
}

.login-form .form-control {
    padding-left: 56px;
    height: 56px;
    font-size: 16px;
    border-radius: 100px;
}

.login-form .form-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 18px;
    z-index: 1;
    transition: color var(--transition-normal);
}

.login-form .form-control:focus ~ .form-icon {
    color: var(--sakura-primary);
}

.login-btn {
    width: 100%;
    height: 56px;
    font-size: 16px;
    font-weight: 700;
    margin-top: 16px;
    border-radius: 100px;
}

/* Modern Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: 16px;
    font-size: 28px;
    font-family: 'Space Grotesk', sans-serif;
}

.empty-state p {
    margin-bottom: 32px;
    font-size: 16px;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .admin-sections {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    .admin-sidebar {
        width: 100%;
        position: relative;
        height: auto;
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .admin-header {
        padding: 20px;
    }
    
    .admin-content {
        padding: 24px;
    }
    
    .recent-page-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .page-actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .login-box {
        padding: 40px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-content {
        padding: 16px;
    }
    
    .login-box {
        padding: 32px;
    }
    
    .stat-number {
        font-size: 32px;
    }
}

/* Special Effects */
.glow-text {
    text-shadow: 0 0 20px var(--sakura-glow);
}

.shimmer {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Notification Toast */
.notification {
    position: fixed;
    top: 80px;
    right: 32px;
    padding: 16px 24px;
    background: rgba(18, 18, 26, 0.95);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
    font-weight: 500;
    transform: translateX(400px);
    transition: transform var(--transition-normal);
    z-index: 1000;
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    border-color: var(--success);
    background: rgba(20, 241, 149, 0.1);
}

/* Custom Scrollbar for Admin */
.admin-sidebar::-webkit-scrollbar {
    width: 6px;
}

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

.admin-sidebar::-webkit-scrollbar-thumb {
    background: var(--sakura-primary);
    border-radius: 3px;
}

/* Hide main site header in admin */
.header,
.header-bg-overlay,
.header-logo-link,
.header-logo-img,
.header-gradient-overlay {
    display: none !important;
}