/* Admin Panel Styles */

/* Login Screen */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.login-box {
    background: var(--glass-bg);
    backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 48px;
    width: 90%;
    max-width: 400px;
    text-align: center;
}

.login-logo {
    margin-bottom: 32px;
}

.login-logo .logo-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
}

.login-logo h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.login-box .form-group {
    text-align: left;
    margin-bottom: 20px;
}

.login-box .form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.login-box .form-group input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 15px;
    transition: all 0.3s;
}

.login-box .form-group input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.1);
}

.btn-block {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    margin-top: 8px;
}

.login-error {
    color: var(--apple-red);
    font-size: 13px;
    margin-top: 12px;
    min-height: 20px;
}

.back-link-login {
    display: inline-block;
    margin-top: 24px;
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

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

/* Admin Content */
.admin-content {
    min-height: 100vh;
}

.admin-content.hidden {
    display: none;
}

/* Header */
.admin-header {
    padding-bottom: 20px;
}

.header-actions {
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.logout-btn {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s;
}

.logout-btn:hover {
    background: rgba(255, 59, 48, 0.2);
    border-color: var(--apple-red);
    color: var(--apple-red);
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Main Content */
.admin-main {
    padding-top: 32px;
    padding-bottom: 60px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

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

/* Action Bar */
.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

.btn-primary span {
    font-size: 18px;
    line-height: 1;
}

.btn-secondary {
    padding: 10px 20px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-danger {
    padding: 10px 20px;
    background: var(--apple-red);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-danger:hover {
    background: #d63030;
}

.search-box {
    flex: 1;
    max-width: 400px;
}

.search-box input {
    width: 100%;
    padding: 12px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent);
}

.search-box input::placeholder {
    color: var(--text-tertiary);
}

/* Table */
.admin-table-container {
    background: var(--glass-bg);
    backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.admin-table th,
.admin-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.admin-table th {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-table tbody tr {
    transition: background 0.3s;
}

.admin-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.admin-table td {
    color: var(--text-primary);
}

.category-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.category-badge.llm {
    background: rgba(0, 122, 255, 0.2);
    color: var(--apple-blue);
}

.category-badge.image {
    background: rgba(175, 82, 222, 0.2);
    color: var(--apple-purple);
}

.category-badge.video {
    background: rgba(255, 45, 85, 0.2);
    color: var(--apple-pink);
}

.category-badge.embedding {
    background: rgba(52, 199, 89, 0.2);
    color: var(--apple-green);
}

.action-btns {
    display: flex;
    gap: 8px;
}

.btn-edit,
.btn-delete {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-edit {
    background: rgba(0, 122, 255, 0.2);
    color: var(--apple-blue);
}

.btn-edit:hover {
    background: var(--apple-blue);
    color: white;
}

.btn-delete {
    background: rgba(255, 59, 48, 0.2);
    color: var(--apple-red);
}

.btn-delete:hover {
    background: var(--apple-red);
    color: white;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.3s;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-small {
    max-width: 400px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--glass-border);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--glass-border);
}

/* Form */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group .required {
    color: var(--apple-red);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

/* Delete Modal */
.confirm-text {
    font-size: 15px;
    color: var(--text-secondary);
    text-align: center;
    padding: 20px 0;
}

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

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 14px 28px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    z-index: 2000;
    opacity: 0;
    transition: all 0.3s;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.success {
    border-color: var(--apple-green);
    background: rgba(52, 199, 89, 0.2);
}

.toast.error {
    border-color: var(--apple-red);
    background: rgba(255, 59, 48, 0.2);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .back-link {
        position: static;
        transform: none;
        display: inline-block;
        margin-top: 12px;
    }
    
    .admin-header .container {
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .action-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        max-width: none;
    }
    
    .admin-table-container {
        overflow-x: auto;
    }
    
    .admin-table {
        min-width: 800px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal {
        width: 95%;
        max-height: 95vh;
    }
    
    .modal-body {
        padding: 16px;
    }
}