:root {
    --bg-dark: #0a0c10;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(15px);
    --primary: #4f46e5;
    --primary-glow: rgba(79, 70, 229, 0.4);
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --accent-cyan: #06b6d4;
    --accent-purple: #a855f7;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    --sidebar-width: 260px;
    --spacing: 20px;
    --radius: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* Background Blobs */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.2;
}

.blob-1 { width: 400px; height: 400px; background: var(--primary); top: -100px; left: -100px; }
.blob-2 { width: 300px; height: 300px; background: var(--accent-cyan); bottom: 10%; right: 10%; }
.blob-3 { width: 250px; height: 250px; background: var(--accent-purple); top: 20%; right: 20%; }

/* Lightning background */
.lightning-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Layout */
.app-container {
    display: flex;
    padding: var(--spacing);
    gap: var(--spacing);
    height: 100vh;
    width: 100vw;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.sidebar-header {
    padding: 30px;
    text-align: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
}

.logo i {
    font-size: 1.5rem;
    color: var(--primary);
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

.sidebar-nav {
    flex: 1;
    padding: 0 15px;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 8px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s ease;
}

.sidebar-nav a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
}

.sidebar-nav li.active a {
    background: rgba(79, 70, 229, 0.15);
    color: white;
    border-left: 3px solid var(--primary);
    box-shadow: 0 0 15px rgba(79, 70, 229, 0.2);
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--glass-border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--glass-border);
}

.user-details .name {
    font-size: 0.9rem;
    font-weight: 600;
}

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

/* Main Content Area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
    overflow: hidden;
}

.topbar {
    height: 70px;
    padding: 0 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.search-bar {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 15px;
    border-radius: 10px;
    width: 300px;
}

.search-bar i { color: var(--text-muted); }
.search-bar input {
    background: none;
    border: none;
    color: var(--text-main);
    padding-left: 10px;
    width: 100%;
    outline: none;
}

.topbar-actions {
    display: flex;
    gap: 10px;
}

.glass-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    padding: 2px 5px;
    border-radius: 10px;
}

.notification-trigger { position: relative; }

.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding-right: 5px;
}

/* Scrollable content (dashboard, edit pages) */
.content-scrollable {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

/* Table list pages — fixed block, table scrolls inside */
.table-list-page {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

.table-list-page .table-scroll {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.table-list-page .pagination {
    flex-shrink: 0;
    border-top: 1px solid var(--glass-border);
    padding-top: 15px;
}

/* Table Filters */
.table-filter-select {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
    transition: border-color 0.2s;
}

.table-filter-select:focus {
    border-color: var(--primary);
}

/* Custom Scrollbar */
.content-scrollable::-webkit-scrollbar,
.table-list-page .table-scroll::-webkit-scrollbar { width: 6px; }
.content-scrollable::-webkit-scrollbar-track,
.table-list-page .table-scroll::-webkit-scrollbar-track { background: transparent; }
.content-scrollable::-webkit-scrollbar-thumb,
.table-list-page .table-scroll::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 10px;
}

/* Cards & Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing);
    margin-bottom: var(--spacing);
}

.stat-card {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

.stat-card .icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.stat-card .value { font-size: 1.8rem; font-weight: 700; }
.stat-card .label { color: var(--text-muted); font-size: 0.9rem; }
.stat-card .trend { font-size: 0.8rem; }
.trend.up { color: var(--success); }
.trend.down { color: var(--danger); }

/* Forms */
.glass-input {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-main);
    outline: none;
    transition: all 0.2s;
}

.glass-input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-size: 0.9rem; color: var(--text-muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { filter: brightness(1.2); transform: translateY(-1px); }
.btn-danger { background: var(--danger); color: white; }
.btn-secondary { background: rgba(255, 255, 255, 0.1); color: var(--text-main); border: 1px solid var(--glass-border); }

/* Tables */
.glass-table {
    width: 100%;
    border-collapse: collapse;
}

.glass-table th {
    text-align: left;
    padding: 15px;
    color: var(--text-muted);
    font-weight: 500;
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    background: rgba(10, 12, 16, 0.95);
    backdrop-filter: var(--glass-blur);
    z-index: 1;
}

.glass-table td {
    padding: 15px;
    border-bottom: 1px solid var(--glass-border);
}

.status-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
}

.status-badge.active { background: rgba(34, 197, 94, 0.2); color: var(--success); }
.status-badge.pending { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.status-badge.danger { background: rgba(245, 158, 11, 0.2); color: var(--danger); }

.icon-btn-sm {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    transition: color 0.2s;
}

.icon-btn-sm:hover { color: var(--text-main); }
.icon-btn-sm.text-danger:hover { color: var(--danger); }

/* Chat */
.chat-container {
    display: flex;
    height: 100%;
    overflow: hidden;
}

.chat-sidebar {
    width: 300px;
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
}

.chat-search { padding: 20px; }
.contact-list { flex: 1; overflow-y: auto; }
.contact {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    cursor: pointer;
    transition: background 0.2s;
}

.contact:hover, .contact.active { background: rgba(255, 255, 255, 0.05); }
.contact img { width: 40px; height: 40px; border-radius: 50%; }
.contact-info p { font-size: 0.9rem; font-weight: 600; }
.contact-info small { color: var(--text-muted); }

.chat-main { flex: 1; display: flex; flex-direction: column; }
.chat-header { padding: 15px 25px; border-bottom: 1px solid var(--glass-border); }
.chat-messages { flex: 1; padding: 25px; overflow-y: auto; display: flex; flex-direction: column; gap: 15px; }
.message {
    max-width: 70%;
    padding: 12px 18px;
    border-radius: 15px;
    font-size: 0.95rem;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
}


.page-link {
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    text-decoration: none;
    transition: all 0.2s;
}

.page-link.active, .page-link:hover {
    background: var(--primary);
    color: white;
}

.message.incoming { background: rgba(255, 255, 255, 0.05); align-self: flex-start; border-bottom-left-radius: 2px; }
.message.outgoing { background: var(--primary); align-self: flex-end; border-bottom-right-radius: 2px; }
.chat-input-area { padding: 20px; display: flex; gap: 10px; border-top: 1px solid var(--glass-border); }

/* Alerts */
#alert-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.alert {
    width: 350px;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.alert-icon { font-size: 1.5rem; }
.alert-body strong { display: block; font-size: 0.95rem; }
.alert-body p { font-size: 0.85rem; color: var(--text-muted); }
.alert-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1.2rem; margin-left: auto; }

.alert-success .alert-icon { color: var(--success); }
.alert-danger .alert-icon { color: var(--danger); }
.alert-warning .alert-icon { color: var(--warning); }
.alert-info .alert-icon { color: var(--primary); }

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal-content {
    width: 500px;
    max-width: 90%;
    padding: 30px;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

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

/* Content edit page — fixed block, content scrolls inside */
.content-edit-page {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

.content-edit-page .content-edit-scroll-wrap {
    flex: 1;
    position: relative;
    overflow: hidden;
    min-height: 0;
}

.content-edit-page .content-edit-scroll {
    height: 100%;
    overflow-y: auto;
    padding: 4px;
    padding-right: 18px;
}

.content-edit-page .content-edit-scroll::-webkit-scrollbar { width: 6px; }
.content-edit-page .content-edit-scroll::-webkit-scrollbar-track { background: transparent; }
.content-edit-page .content-edit-scroll::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 10px;
}

/* Scroll color markers */
.scroll-markers {
    position: absolute;
    top: 0;
    right: 0;
    width: 6px;
    height: 100%;
    pointer-events: none;
    z-index: 3;
}

.scroll-marker {
    position: absolute;
    right: 0;
    width: 6px;
    min-height: 4px;
    border-radius: 3px;
    opacity: 0.85;
    pointer-events: auto;
    cursor: pointer;
    transition: opacity 0.2s;
}

.scroll-marker:hover {
    opacity: 1;
}

/* Block creation button flash */
@keyframes btnFlash {
    0%   { background: var(--primary); border-color: var(--primary); color: white; transform: scale(1); }
    50%  { transform: scale(0.95); }
    100% { background: rgba(255, 255, 255, 0.1); border-color: var(--glass-border); color: var(--text-main); transform: scale(1); }
}

.btn-click-flash {
    animation: btnFlash 0.35s ease-out;
}

/* New block slide-in */
@keyframes blockAppear {
    0%   { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

.block-appear {
    animation: blockAppear 0.3s ease-out;
}

/* Content Block Editor */
.block {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
    transition: opacity 0.2s ease;
}

.block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--glass-border);
}

.block-type-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent-cyan);
    letter-spacing: 0.5px;
    cursor: pointer;
    user-select: none;
    transition: color 0.2s;
}

.block-type-label:hover {
    color: var(--primary);
}

.block.block-active {
    --block-color: 6, 182, 212;
    border-color: transparent;
    box-shadow: 0 0 1px 2px rgb(var(--block-color)), 0 0 15px rgba(var(--block-color), 0.3);
}

/* Block color picker */
.block-color-picker {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 6px;
    display: flex;
    gap: 6px;
    padding: 8px 10px;
    background: rgba(15, 17, 23, 0.95);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    z-index: 10;
    backdrop-filter: var(--glass-blur);
}

.color-dot {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.15s, border-color 0.15s;
}

.color-dot:hover {
    transform: scale(1.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.block-version-selectors {
    display: flex;
    gap: 6px;
    margin-left: auto;
    margin-right: 12px;
}

.glass-input-sm {
    padding: 4px 8px !important;
    font-size: 0.75rem !important;
    min-width: 100px;
    height: 28px;
}

.block-actions {
    display: flex;
    gap: 5px;
}

.btn-icon {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s;
}

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

.btn-icon-danger:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.code-textarea {
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    tab-size: 4;
    resize: vertical;
    white-space: pre-wrap;
}

/* WYSIWYG editor */
.wysiwyg-editor {
    min-height: 120px;
    max-height: 400px;
    overflow-y: auto;
    padding: 12px 15px;
    line-height: 1.6;
    font-size: 0.9rem;
    white-space: pre-wrap;
    word-wrap: break-word;
    outline: none;
    border-radius: 0 0 10px 10px;
}

.wysiwyg-editor:empty::before {
    content: attr(data-placeholder);
    color: var(--text-muted);
    pointer-events: none;
}

.wysiwyg-editor code {
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: inherit;
    color: var(--accent-cyan);
}

.wysiwyg-editor ul, .wysiwyg-editor ol {
    padding-left: 24px;
    margin: 8px 0;
}

.wysiwyg-editor li {
    margin-bottom: 4px;
}

.wysiwyg-editor a {
    color: var(--primary);
    text-decoration: underline;
}

.wysiwyg-editor mark {
    background: rgba(250, 204, 21, 0.3);
    color: inherit;
    padding: 1px 3px;
    border-radius: 2px;
}

.block-code-settings {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.block-heading-settings {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Table mini toolbar */
.table-mini-toolbar {
    display: flex;
    gap: 4px;
    padding: 6px 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-bottom: none;
    border-radius: 10px 10px 0 0;
    margin-bottom: -1px;
}

.table-mini-toolbar .btn-icon {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
    border-radius: 5px;
}

.table-mini-toolbar + .table-editor {
    border: 1px solid var(--glass-border);
    border-radius: 0 0 10px 10px;
}

.table-cell {
    min-height: 24px;
    padding: 6px 8px;
    outline: none;
    font-size: 0.85rem;
    line-height: 1.4;
}

.table-cell:focus {
    background: rgba(255, 255, 255, 0.03);
}

.table-cell code {
    background: rgba(255, 255, 255, 0.08);
    padding: 1px 4px;
    border-radius: 3px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: inherit;
    color: var(--accent-cyan);
}

.table-cell a {
    color: var(--primary);
    text-decoration: underline;
}

/* Content block table editor — override global .glass-table */
.table-editor {
    overflow: hidden;
}

.table-editor table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.table-editor th:not(.table-add-col),
.table-editor td:not(.table-remove-cell) {
    overflow: hidden;
    word-break: break-word;
    overflow-wrap: break-word;
}

.table-editor .table-add-col,
.table-editor .table-remove-cell {
    width: 28px;
}

.table-editor th,
.table-editor td {
    padding: 0;
    position: relative;
    border: 1px solid var(--glass-border);
}

/* Reset global .glass-table sticky header inside editor */
.table-editor .glass-table th {
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: none;
    padding: 0;
    z-index: auto;
}

/* Utility columns — fixed narrow width, no border */
.table-editor .table-remove-cell,
.table-editor .table-add-col {
    width: 28px;
    min-width: 28px;
    max-width: 28px;
    border: none !important;
    padding: 0;
    background: none;
    vertical-align: middle;
    text-align: center;
}

/* Add row — full-width, no border */
.table-editor .table-add-row td {
    border: none;
    padding: 6px 4px 0 4px;
}

/* Remove column button */
.table-remove-col {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.15);
    border: none;
    color: var(--danger);
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
}
.table-editor th:hover .table-remove-col { opacity: 1; }
.table-remove-col:hover { background: rgba(239, 68, 68, 0.4); }

/* Remove row button */
.table-remove-row {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.15);
    border: none;
    color: var(--danger);
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
}
tr:hover .table-remove-row { opacity: 1; }
.table-remove-row:hover { background: rgba(239, 68, 68, 0.4); }

/* Add button (row & col) */
.table-add-btn {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(34, 197, 94, 0.15);
    border: none;
    color: var(--success);
    font-size: 0.85rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s, background 0.2s;
}
.table-editor:hover .table-add-btn { opacity: 1; }
.table-add-btn:hover { background: rgba(34, 197, 94, 0.35); }

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.block-toolbar {
    display: flex;
    gap: 8px;
}

/* Text Editor Toolbar */
.text-toolbar {
    display: flex;
    gap: 4px;
    padding: 6px 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-bottom: none;
    border-radius: 10px 10px 0 0;
    margin-bottom: -1px;
}

.text-toolbar + .code-textarea,
.text-toolbar + .wysiwyg-editor {
    border-radius: 0 0 10px 10px;
}

.text-toolbar .btn-icon {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
    border-radius: 5px;
}

/* ===== Preview Mode ===== */
.preview-area {
    --p-bg: #0f172a;
    --p-bg2: #1e293b;
    --p-primary: #0ea5e9;
    --p-primary-light: #38bdf8;
    --p-text: #f1f5f9;
    --p-text2: #94a3b8;
    --p-text-muted: #64748b;
    --p-border: rgba(255,255,255,0.1);
    --p-glass: rgba(30,41,59,0.7);
    --p-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --p-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    background: var(--p-bg);
    border-radius: 12px;
    padding: 2rem 3rem;
    font-family: var(--p-font);
    color: var(--p-text2);
    line-height: 1.7;
    font-size: 16px;
}

.preview-area .pv-heading {
    margin-top: 2rem;
}

.preview-area .pv-heading h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--p-text);
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1rem;
}

.preview-area .pv-heading h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.25em;
    bottom: 0.25em;
    width: 4px;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    border-radius: 4px;
}

.preview-area .pv-heading h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--p-text);
    margin: 1.5rem 0 1rem;
}

.preview-area .pv-heading h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--p-text);
    margin: 1.25rem 0 0.75rem;
}

.preview-area .pv-text {
    background: var(--p-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--p-border);
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1rem;
}

.preview-area .pv-text p {
    margin-bottom: 1rem;
}

.preview-area .pv-text p:last-child {
    margin-bottom: 0;
}

.preview-area .pv-text code {
    background: rgba(14, 165, 233, 0.15);
    color: var(--p-primary-light);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: var(--p-mono);
    font-size: 0.9em;
}

.preview-area .pv-text a {
    color: var(--p-primary);
    text-decoration: none;
}

.preview-area .pv-text ul,
.preview-area .pv-text ol {
    padding-left: 24px;
    margin: 8px 0;
}

.preview-area .pv-code {
    margin-bottom: 1rem;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--p-border);
}

.preview-area .pv-code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 10px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.preview-area .pv-code-lang {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--p-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.preview-area .pv-code-filename {
    font-size: 0.8rem;
    color: var(--p-text-muted);
    font-family: var(--p-mono);
    margin-bottom: 0.25rem;
}

.preview-area .pv-code pre {
    margin: 0;
    padding: 1.25rem 1.5rem;
    overflow-x: auto;
    background: rgba(0, 0, 0, 0.2);
}

.preview-area .pv-code pre code {
    font-family: var(--p-mono);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--p-text);
}

.preview-area .pv-table {
    overflow-x: auto;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.preview-area .pv-table table {
    width: 100%;
    border-collapse: collapse;
}

.preview-area .pv-table th {
    background: rgba(14, 165, 233, 0.1);
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    color: var(--p-text);
    border: 1px solid var(--p-border);
}

.preview-area .pv-table td {
    padding: 0.75rem;
    border: 1px solid var(--p-border);
    color: var(--p-text2);
}

.preview-area .pv-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}