/* Admin Dashboard Styles - Glassmorphism Theme */

:root {
    --primary-color: #60a5fa;
    --primary-dark: #3b82f6;
    --secondary-color: #a78bfa;
    --success-color: #34d399;
    --danger-color: #f87171;
    --warning-color: #fbbf24;
    
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Glassmorphism Effect */
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 28px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.login-form {
    margin-bottom: 20px;
}

.login-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.back-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.back-link:hover {
    color: var(--secondary-color);
}

/* Admin Header */
.admin-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 24px;
    margin: 16px;
    margin-right: 16px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left h2 {
    font-size: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.user-info {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Admin Container */
.admin-container {
    display: flex;
    margin-top: 90px;
    padding: 0 16px 16px;
    gap: 20px;
}

/* Sidebar */
.admin-sidebar {
    width: 250px;
    padding: 24px;
    position: sticky;
    top: 106px;
    height: fit-content;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    transform: translateX(4px);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.2), rgba(167, 139, 250, 0.2));
    color: var(--text-primary);
    border-left: 3px solid var(--primary-color);
}

.nav-icon {
    font-size: 20px;
}

/* Main Content */
.admin-content {
    flex: 1;
    max-width: 1200px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 32px;
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(52, 211, 153, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background: rgba(248, 113, 113, 0.1);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    padding: 24px;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.stat-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.stat-info h3 {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.stat-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.stat-link:hover {
    color: var(--secondary-color);
}

/* Quick Actions */
.quick-actions {
    margin-top: 40px;
}

.quick-actions h2 {
    margin-bottom: 20px;
    font-size: 24px;
}

.action-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(96, 165, 250, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-logout {
    background: rgba(248, 113, 113, 0.2);
    color: var(--danger-color);
}

.btn-logout:hover {
    background: rgba(248, 113, 113, 0.3);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-edit {
    background: rgba(96, 165, 250, 0.2);
    color: var(--primary-color);
}

.btn-delete {
    background: rgba(248, 113, 113, 0.2);
    color: var(--danger-color);
}

/* Forms */
.form-container {
    padding: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

.form-group input[type="range"] {
    padding: 0;
    cursor: pointer;
}

.form-group output {
    display: inline-block;
    margin-left: 10px;
    color: var(--primary-color);
    font-weight: 600;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

/* Tables */
.table-container {
    padding: 0;
    overflow-x: auto;
}

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

.data-table thead {
    background: rgba(255, 255, 255, 0.03);
}

.data-table th {
    padding: 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--glass-border);
}

.data-table td {
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-frontend {
    background: rgba(96, 165, 250, 0.2);
    color: var(--primary-color);
}

.badge-backend {
    background: rgba(167, 139, 250, 0.2);
    color: var(--secondary-color);
}

.badge-mobile {
    background: rgba(52, 211, 153, 0.2);
    color: var(--success-color);
}

.badge-cloud,
.badge-database,
.badge-devops,
.badge-tools,
.badge-other {
    background: rgba(251, 191, 36, 0.2);
    color: var(--warning-color);
}

/* Proficiency Bar */
.proficiency-bar {
    position: relative;
    width: 150px;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.proficiency-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 0.3s;
}

.proficiency-text {
    position: absolute;
    top: -20px;
    right: 0;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Current Image Preview */
.current-image {
    margin-top: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
}

.current-image p {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.current-image img {
    box-shadow: var(--shadow-md);
}

/* Responsive */
@media (max-width: 768px) {
    .admin-container {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
        position: static;
    }
    
    .sidebar-nav {
        flex-direction: row;
        overflow-x: auto;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Smooth transitions */
* {
    transition: background 0.3s ease, border-color 0.3s ease;
}