/* Admin Styling System */
:root {
    --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #e2e8f0 100%);
    --panel-bg: rgba(255, 255, 255, 0.85);
    --panel-border: rgba(15, 23, 42, 0.08);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent-blue: #0284c7;
    --accent-indigo: #4f46e5;
    --accent-purple: #7c3aed;
    --accent-pink: #db2777;
    --accent-green: #059669;
    --card-bg: #ffffff;
    --card-border: rgba(15, 23, 42, 0.06);
    --shadow: none;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-gradient);
    background-attachment: fixed;
    background-size: cover;
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Authentication Page Styles */
.login-body {
    align-items: center;
    justify-content: center;
}

.login-container {
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--panel-border);
    border-radius: 20px;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow);
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.login-header {
    margin-bottom: 2rem;
}

.login-header .logo-symbol {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
    box-shadow: none;
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-danger {
    background: rgba(244, 114, 182, 0.15);
    border: 1px solid rgba(244, 114, 182, 0.2);
    color: var(--accent-pink);
}

.alert-success {
    background: rgba(52, 211, 153, 0.15);
    border: 1px solid rgba(52, 211, 153, 0.2);
    color: var(--accent-green);
}

/* Nav & Panel */
.admin-header {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--panel-border);
    padding: 1rem 2rem;
    box-shadow: var(--shadow);
}

.admin-nav {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-logo {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.admin-nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.admin-nav-links a:hover {
    color: var(--text-primary);
}

.admin-nav-links a.btn-logout {
    padding: 0.4rem 0.8rem;
    border: 1px solid rgba(244, 114, 182, 0.3);
    border-radius: 6px;
    color: var(--accent-pink);
}

.admin-nav-links a.btn-logout:hover {
    background: rgba(244, 114, 182, 0.1);
    color: var(--accent-pink);
}

/* Dashboard Container */
.admin-container {
    max-width: 1400px;
    width: 100%;
    margin: 2rem auto;
    padding: 0 2rem;
    flex: 1;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.dashboard-header h2 {
    font-size: 1.75rem;
    font-weight: 800;
}

/* Buttons */
.btn {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
    color: white;
    box-shadow: none;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: none;
    filter: brightness(1.1);
}

.btn-secondary {
    background: #ffffff;
    border: 1px solid var(--panel-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #f1f5f9;
}

.btn-danger {
    background: rgba(244, 114, 182, 0.15);
    border: 1px solid rgba(244, 114, 182, 0.2);
    color: var(--accent-pink);
}

.btn-danger:hover {
    background: var(--accent-pink);
    color: white;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    border-radius: 6px;
}

/* Glassmorphic Table */
.table-responsive {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    background: rgba(15, 23, 42, 0.04);
    padding: 1rem 1.5rem;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--panel-border);
}

td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    font-size: 0.95rem;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(15, 23, 42, 0.02);
}

/* Badges */
.badge {
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
}

.badge-published {
    background: rgba(52, 211, 153, 0.15);
    color: var(--accent-green);
}

.badge-draft {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-secondary);
}

/* Table action buttons */
.table-actions {
    display: flex;
    gap: 0.5rem;
}

/* Admin forms and layouts */
.admin-card {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent-blue);
    outline: none;
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.form-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

@media (max-width: 1024px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

.seo-card-header {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--panel-border);
    font-weight: 700;
    font-size: 1rem;
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Sidebar Layout System */
.admin-layout {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

.admin-sidebar {
    width: 260px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-right: 1px solid var(--panel-border);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
    flex-shrink: 0;
    z-index: 10;
    box-shadow: none;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 3rem;
    padding-left: 0.5rem;
}

.sidebar-logo .logo-symbol {
    width: 2.2rem;
    height: 2.2rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    box-shadow: none;
}

.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.sidebar-menu-item a {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.8rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 10px;
    transition: var(--transition);
}

.sidebar-menu-item a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-menu-item.active a {
    color: var(--accent-blue);
    background: rgba(2, 132, 199, 0.08);
    border: 1px solid rgba(2, 132, 199, 0.15);
}

.sidebar-menu-item a i {
    width: 1.25rem;
    font-size: 1.1rem;
    text-align: center;
}

.sidebar-menu-item.active a i {
    color: var(--accent-blue);
}

.sidebar-footer {
    border-top: 1px solid var(--panel-border);
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar-user-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-left: 0.5rem;
}

.sidebar-user-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
}

.sidebar-user-role {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.sidebar-footer .btn-logout {
    width: 100%;
    justify-content: center;
    border: 1px solid rgba(244, 114, 182, 0.25);
    background: rgba(244, 114, 182, 0.05);
    color: var(--accent-pink);
}

.sidebar-footer .btn-logout:hover {
    background: var(--accent-pink);
    color: white;
}

/* Main Workspace */
.admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0; /* Prevents flex items from breaking layout overflow */
}

.admin-main-header {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--panel-border);
    padding: 1.25rem 2.5rem;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 1.5rem;
    box-shadow: none;
}

.admin-main-header a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-main-header a:hover {
    color: var(--text-primary);
}

.admin-main-body {
    padding: 2.5rem;
    flex: 1;
    overflow-y: auto;
}

/* Custom Scrollbar for Main Body */
.admin-main-body::-webkit-scrollbar {
    width: 8px;
}
.admin-main-body::-webkit-scrollbar-track {
    background: transparent;
}
.admin-main-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
}
.admin-main-body::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Mobile Responsive Sidebar */
@media (max-width: 768px) {
    .admin-layout {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 1.5rem;
        border-right: none;
        border-bottom: 1px solid var(--panel-border);
    }
    
    .sidebar-logo {
        margin-bottom: 1.5rem;
    }
    
    .sidebar-menu {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 1.5rem;
    }
    
    .sidebar-menu-item a {
        padding: 0.6rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .sidebar-footer {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        border-top: 1px solid var(--panel-border);
        padding-top: 1rem;
    }
    
    .sidebar-user-info {
        padding-left: 0;
    }
    
    .sidebar-footer .btn-logout {
        width: auto;
        padding: 0.5rem 1rem;
    }
    
    .admin-main-header {
        padding: 1rem 1.5rem;
    }
    
    .admin-main-body {
        padding: 1.5rem;
    }
}