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

:root {
    --bg-primary: #0f0c29;
    --bg-secondary: #302b63;
    --bg-accent: #24243e;
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-hover: rgba(255, 255, 255, 0.12);
    --text-primary: #f0f0f0;
    --text-secondary: rgba(255, 255, 255, 0.65);
    --text-muted: rgba(255, 255, 255, 0.4);
    --accent: #6c63ff;
    --accent-hover: #7b73ff;
    --accent-glow: rgba(108, 99, 255, 0.4);
    --danger: #ff6b6b;
    --danger-hover: #ff5252;
    --success: #4ecdc4;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --sidebar-width: 240px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary), var(--bg-accent));
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.4), transparent);
    top: -10%;
    left: -5%;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.3), transparent);
    bottom: -5%;
    right: -5%;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(78, 205, 196, 0.3), transparent);
    top: 40%;
    left: 50%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(40px, 30px) scale(1.02); }
}

.admin-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: rgba(15, 12, 41, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--glass-border);
}

.sidebar-header i {
    font-size: 24px;
    color: var(--accent);
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.sidebar-header span {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, #fff, #c8b6ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
}

.nav-item:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(108, 99, 255, 0.2);
    color: var(--accent);
    font-weight: 600;
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.main-area {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 28px;
    background: rgba(15, 12, 41, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.menu-toggle {
    display: none;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
}

.menu-toggle:hover {
    background: var(--glass-hover);
}

.topbar h2 {
    font-size: 20px;
    font-weight: 600;
    flex: 1;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
}

.admin-badge i {
    color: var(--accent);
}

.content {
    flex: 1;
    padding: 28px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 18px;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.stat-card:hover {
    border-color: rgba(108, 99, 255, 0.3);
    transform: translateY(-2px);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
    flex-shrink: 0;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

.panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-header h3 {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.panel-header h3 i {
    color: var(--accent);
}

.panel-body {
    padding: 20px 24px;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 3px 10px;
    background: rgba(108, 99, 255, 0.2);
    color: var(--accent);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge-sm {
    padding: 2px 8px;
    font-size: 11px;
    background: rgba(108, 99, 255, 0.15);
}

.badge-private {
    padding: 3px 10px;
    font-size: 11px;
    background: rgba(255, 159, 67, 0.2);
    color: #ff9f43;
    border: 1px solid rgba(255, 159, 67, 0.3);
}

.badge-private i {
    margin-right: 3px;
}

.badge-public {
    padding: 3px 10px;
    font-size: 11px;
    background: rgba(78, 205, 196, 0.15);
    color: #4ecdc4;
    border: 1px solid rgba(78, 205, 196, 0.25);
}

.badge-public i {
    margin-right: 3px;
}

.table-responsive {
    overflow-x: auto;
}

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

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
    white-space: nowrap;
}

.data-table th {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    font-size: 14px;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: var(--glass-hover);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.table-icon {
    font-size: 18px;
    color: var(--accent);
}

.url-cell {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}

.url-cell:hover {
    color: var(--accent);
}

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

.category-overview {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.overview-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.overview-item:hover {
    border-color: rgba(108, 99, 255, 0.3);
}

.overview-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: rgba(108, 99, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--accent);
    flex-shrink: 0;
}

.overview-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.overview-name {
    font-weight: 600;
    font-size: 15px;
}

.overview-count {
    font-size: 13px;
    color: var(--text-muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    color: #fff;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover), #9b6ff7);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.btn-outline:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
    border-color: var(--accent);
}

.btn-danger {
    background: rgba(255, 107, 107, 0.15);
    color: var(--danger);
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.btn-danger:hover {
    background: rgba(255, 107, 107, 0.25);
    color: var(--danger-hover);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
    border-radius: 8px;
}

.btn-block {
    width: 100%;
}

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

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

.form-group label.toggle-label {
    display: flex !important;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
    margin-bottom: 0 !important;
}

.form-group label i {
    color: var(--accent);
    margin-right: 6px;
}

.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: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.form-select {
    padding: 8px 36px 8px 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    outline: none;
    transition: var(--transition);
}

.form-select:focus {
    border-color: var(--accent);
}

.form-hint {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

.form-hint a {
    color: var(--accent);
    text-decoration: none;
}

.form-hint a:hover {
    text-decoration: underline;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.toggle-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 13px;
    transition: var(--transition);
    flex-shrink: 0;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: var(--transition);
}

.toggle-label input:checked + .toggle-switch {
    background: rgba(255, 159, 67, 0.3);
    border-color: rgba(255, 159, 67, 0.5);
}

.toggle-label input:checked + .toggle-switch::after {
    transform: translateX(22px);
    background: #ff9f43;
    box-shadow: 0 0 8px rgba(255, 159, 67, 0.5);
}

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

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal {
    background: rgba(30, 27, 60, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-lg {
    max-width: 640px;
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 24px 28px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 600;
}

.modal-close {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.modal form {
    padding: 24px 28px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 8px;
}

.alert {
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.alert-error {
    background: rgba(255, 107, 107, 0.15);
    border: 1px solid rgba(255, 107, 107, 0.3);
    color: var(--danger);
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 42px;
    margin-bottom: 14px;
    display: block;
}

.empty-state p {
    font-size: 15px;
}

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: rgba(30, 27, 60, 0.85);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
    margin: 0 auto 18px;
    box-shadow: 0 8px 25px var(--accent-glow);
}

.login-header h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 6px;
    background: linear-gradient(135deg, #fff, #c8b6ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.login-card .form-group input {
    padding: 14px 16px;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.login-footer a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}

.login-footer a:hover {
    color: var(--accent);
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar.open + .sidebar-overlay {
        display: block;
    }

    .main-area {
        margin-left: 0;
    }

    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .topbar {
        padding: 12px 16px;
    }

    .content {
        padding: 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .data-table th,
    .data-table td {
        padding: 10px 12px;
        font-size: 13px;
    }

    .topbar-right {
        gap: 8px;
    }

    .admin-badge {
        display: none;
    }

    .login-card {
        padding: 30px 24px;
    }

    .table-responsive .data-table {
        display: none;
    }

    .mobile-cards {
        display: flex !important;
    }
}

.mobile-cards {
    display: none;
    flex-direction: column;
    gap: 12px;
}

.mobile-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 16px;
    transition: var(--transition);
}

.mobile-card:hover {
    border-color: rgba(108, 99, 255, 0.3);
}

.mobile-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.mobile-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(108, 99, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--accent);
    flex-shrink: 0;
}

.mobile-card-title {
    flex: 1;
    font-size: 15px;
    font-weight: 600;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mobile-card-body {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.mobile-card-body .card-meta {
    display: flex;
    align-items: center;
    gap: 4px;
}

.mobile-card-body .card-meta i {
    font-size: 12px;
    color: var(--text-muted);
}

.mobile-card-url {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 12px;
    padding: 8px 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
}

.mobile-card-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding-top: 10px;
    border-top: 1px solid var(--glass-border);
}

@media (min-width: 769px) and (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

select option {
    background: #1e1b3c;
    color: var(--text-primary);
}