/* Admin Panel Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

/* Admin Header */
.admin-header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 60px;
}

.admin-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: 100%;
}

.admin-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.admin-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.admin-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
}

.admin-nav a:hover {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.logout-btn {
    background-color: var(--error-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s;
}

.logout-btn:hover {
    background-color: #dc2626;
}

/* Admin Sidebar */
.admin-sidebar {
    position: fixed;
    top: 60px;
    left: 0;
    width: 250px;
    height: calc(100vh - 60px);
    background-color: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
}

.sidebar-nav ul {
    list-style: none;
    padding: 1rem 0;
}

.sidebar-nav li {
    margin-bottom: 0.25rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-link:hover,
.sidebar-link.active {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.sidebar-link .icon {
    font-size: 1.25rem;
    width: 1.5rem;
    text-align: center;
}

/* Admin Main Content */
.admin-main {
    margin-left: 250px;
    margin-top: 60px;
    min-height: calc(100vh - 60px);
    padding: 2rem;
}

.admin-content {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 2rem;
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.form-btn:hover {
    background-color: var(--primary-dark);
}

.form-btn.secondary {
    background-color: var(--secondary-color);
}

.form-btn.secondary:hover {
    background-color: #475569;
}

.form-btn.danger {
    background-color: var(--error-color);
}

.form-btn.danger:hover {
    background-color: #dc2626;
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin-top: 1rem;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.admin-table th,
.admin-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    background-color: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

.admin-table tr:hover {
    background-color: var(--bg-secondary);
}

/* Cards */
.card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.alert-success {
    background-color: #ecfdf5;
    border-color: #a7f3d0;
    color: #065f46;
}

.alert-error {
    background-color: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

.alert-warning {
    background-color: #fffbeb;
    border-color: #fed7aa;
    color: #92400e;
}

.alert-info {
    background-color: #eff6ff;
    border-color: #bfdbfe;
    color: #1e40af;
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.tab {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.tab:hover {
    color: var(--primary-color);
}

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Word Counter */
.word-counter {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.word-count {
    font-weight: 600;
    color: var(--primary-color);
}

/* Log Display */
.log-entry {
    padding: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-time {
    color: var(--text-light);
    margin-right: 0.5rem;
}

.log-error {
    color: var(--error-color);
}

.log-warning {
    color: var(--warning-color);
}

.log-info {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .admin-header-content {
        padding: 0 1rem;
    }
    
    .admin-nav {
        display: none;
    }
}

@media (max-width: 768px) {
    .admin-main {
        padding: 1rem;
    }
    
    .admin-content {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .tabs {
        flex-wrap: wrap;
    }
    
    .tab {
        flex: 1;
        min-width: 120px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .admin-header-content {
        padding: 0 0.5rem;
    }
    
    .admin-main {
        padding: 0.5rem;
    }
    
    .admin-content {
        padding: 0.75rem;
    }
    
    .card {
        padding: 1rem;
    }
}