:root {
    --cpb-primary: #2563eb;
    --cpb-primary-light: #dbeafe;
    --cpb-purple: #7c3aed;
    --cpb-green: #16a34a;
    --cpb-red: #dc2626;
    --cpb-border: #e2e8f0;
    --cpb-bg: #f8fafc;
    --cpb-sidebar-w: 260px;
    --cpb-config-w: 300px;
}

.cpb-layout {
    display: flex;
    height: calc(100vh - 56px);
    overflow: hidden;
    font-family: 'Inter', sans-serif;
}

.cpb-palette {
    width: var(--cpb-sidebar-w);
    background: white;
    border-right: 1px solid var(--cpb-border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    flex-shrink: 0;
}

.cpb-palette-header {
    padding: 1rem;
    border-bottom: 1px solid var(--cpb-border);
    font-weight: 700;
    font-size: 0.85rem;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cpb-palette-section {
    padding: 0.5rem;
}

.cpb-palette-section-title {
    font-size: 0.7rem;
    font-weight: 600;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem;
    margin-top: 0.25rem;
}

.cpb-component-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    cursor: grab;
    transition: all 0.15s;
    font-size: 0.85rem;
    color: #334155;
    border: 1px solid transparent;
}

.cpb-component-item:hover {
    background: var(--cpb-primary-light);
    border-color: var(--cpb-primary);
    color: var(--cpb-primary);
}

.cpb-component-item:active {
    cursor: grabbing;
}

.cpb-component-item i {
    width: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: #64748b;
}

.cpb-component-item:hover i {
    color: var(--cpb-primary);
}

.cpb-canvas-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--cpb-bg);
}

.cpb-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: white;
    border-bottom: 1px solid var(--cpb-border);
    flex-shrink: 0;
}

.cpb-toolbar-title {
    flex: 1;
}

.cpb-toolbar-title input {
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: #1e293b;
    background: transparent;
    width: 100%;
    outline: none;
    padding: 0.25rem 0;
}

.cpb-toolbar-title input:focus {
    border-bottom: 2px solid var(--cpb-primary);
}

.cpb-toolbar-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.cpb-btn {
    padding: 0.375rem 0.875rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--cpb-border);
    background: white;
    color: #475569;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

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

.cpb-btn-primary {
    background: var(--cpb-primary);
    color: white;
    border-color: var(--cpb-primary);
}

.cpb-btn-primary:hover {
    background: #1d4ed8;
}

.cpb-btn-green {
    background: var(--cpb-green);
    color: white;
    border-color: var(--cpb-green);
}

.cpb-btn-green:hover {
    background: #15803d;
}

.cpb-btn-danger {
    color: var(--cpb-red);
    border-color: #fecaca;
}

.cpb-btn-danger:hover {
    background: #fef2f2;
}

.cpb-canvas {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

.cpb-canvas-inner {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    min-height: 400px;
    padding: 1.5rem;
    position: relative;
}

.cpb-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    color: #94a3b8;
    gap: 0.75rem;
}

.cpb-empty-state i {
    font-size: 2.5rem;
    color: #cbd5e1;
}

.cpb-empty-state p {
    font-size: 0.9rem;
}

.cpb-block {
    position: relative;
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    transition: all 0.15s;
    cursor: pointer;
}

.cpb-block:hover {
    border-color: var(--cpb-primary-light);
}

.cpb-block.selected {
    border-color: var(--cpb-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.cpb-block-controls {
    position: absolute;
    top: -12px;
    right: 8px;
    display: none;
    gap: 0.25rem;
    background: white;
    border-radius: 6px;
    padding: 0.125rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    z-index: 10;
}

.cpb-block:hover .cpb-block-controls,
.cpb-block.selected .cpb-block-controls {
    display: flex;
}

.cpb-block-ctrl-btn {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.7rem;
    color: #64748b;
}

.cpb-block-ctrl-btn:hover {
    background: #f1f5f9;
    color: #1e293b;
}

.cpb-block-ctrl-btn.delete:hover {
    background: #fef2f2;
    color: var(--cpb-red);
}

.cpb-drag-handle {
    cursor: grab;
    color: #cbd5e1;
}

.cpb-drag-handle:active {
    cursor: grabbing;
}

.cpb-drop-zone {
    border: 2px dashed #cbd5e1;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    color: #94a3b8;
    font-size: 0.8rem;
    transition: all 0.2s;
    margin-bottom: 0.75rem;
}

.cpb-drop-zone.active {
    border-color: var(--cpb-primary);
    background: var(--cpb-primary-light);
    color: var(--cpb-primary);
}

.cpb-config-panel {
    width: var(--cpb-config-w);
    background: white;
    border-left: 1px solid var(--cpb-border);
    overflow-y: auto;
    flex-shrink: 0;
    display: none;
}

.cpb-config-panel.open {
    display: flex;
    flex-direction: column;
}

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

.cpb-config-header h3 {
    font-size: 0.85rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
}

.cpb-config-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    color: #64748b;
    padding: 0.25rem;
}

.cpb-config-body {
    padding: 1rem;
    flex: 1;
}

.cpb-config-field {
    margin-bottom: 1rem;
}

.cpb-config-field label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #475569;
    margin-bottom: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.cpb-config-field input,
.cpb-config-field textarea,
.cpb-config-field select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--cpb-border);
    border-radius: 6px;
    font-size: 0.85rem;
    font-family: 'Inter', sans-serif;
    color: #1e293b;
    outline: none;
    transition: border-color 0.15s;
    box-sizing: border-box;
}

.cpb-config-field input:focus,
.cpb-config-field textarea:focus,
.cpb-config-field select:focus {
    border-color: var(--cpb-primary);
}

.cpb-config-field textarea {
    min-height: 80px;
    resize: vertical;
}

.cpb-block-text h1 { font-size: 1.75rem; font-weight: 700; color: #1e293b; margin: 0; }
.cpb-block-text h2 { font-size: 1.35rem; font-weight: 700; color: #1e293b; margin: 0; }
.cpb-block-text h3 { font-size: 1.1rem; font-weight: 600; color: #334155; margin: 0; }
.cpb-block-text p { font-size: 0.9rem; color: #475569; line-height: 1.6; margin: 0; }

.cpb-block-kpi {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.cpb-kpi-card {
    flex: 1;
    min-width: 140px;
    background: var(--cpb-bg);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.cpb-kpi-card .kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--cpb-primary);
}

.cpb-kpi-card .kpi-label {
    font-size: 0.75rem;
    color: #64748b;
    margin-top: 0.25rem;
}

.cpb-block-divider {
    border-top: 1px solid var(--cpb-border);
    margin: 0.5rem 0;
}

.cpb-block-spacer {
    height: 2rem;
}

.cpb-block-image img {
    max-width: 100%;
    border-radius: 8px;
}

.cpb-block-image .placeholder-img {
    background: var(--cpb-bg);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    color: #94a3b8;
}

.cpb-block-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.cpb-block-table th {
    background: var(--cpb-bg);
    font-weight: 600;
    color: #475569;
    text-align: left;
    padding: 0.5rem 0.75rem;
    border-bottom: 2px solid var(--cpb-border);
}

.cpb-block-table td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--cpb-border);
    color: #334155;
}

.cpb-block-chart canvas {
    max-height: 250px;
}

.cpb-block-form .form-field-preview {
    margin-bottom: 0.75rem;
}

.cpb-block-form .form-field-preview label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: #475569;
    margin-bottom: 0.25rem;
}

.cpb-block-form .form-field-preview input,
.cpb-block-form .form-field-preview textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--cpb-border);
    border-radius: 6px;
    font-size: 0.85rem;
    background: var(--cpb-bg);
    box-sizing: border-box;
}

.cpb-pages-list {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cpb-pages-modal {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.cpb-pages-modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--cpb-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cpb-pages-modal-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    color: #1e293b;
}

.cpb-pages-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.cpb-page-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--cpb-border);
    border-radius: 8px;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: all 0.15s;
}

.cpb-page-card:hover {
    border-color: var(--cpb-primary);
    background: #fafbff;
}

.cpb-page-card-icon {
    width: 40px;
    height: 40px;
    background: var(--cpb-primary-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cpb-primary);
    flex-shrink: 0;
}

.cpb-page-card-info {
    flex: 1;
    min-width: 0;
}

.cpb-page-card-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 0.15rem;
}

.cpb-page-card-info p {
    font-size: 0.75rem;
    color: #64748b;
    margin: 0;
}

.cpb-page-card-actions {
    display: flex;
    gap: 0.35rem;
}

.cpb-badge {
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.cpb-badge-published {
    background: #dcfce7;
    color: #15803d;
}

.cpb-badge-draft {
    background: #fef3c7;
    color: #92400e;
}

.cpb-toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background: #1e293b;
    color: white;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-size: 0.85rem;
    z-index: 9999;
    animation: cpbSlideUp 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

@keyframes cpbSlideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 768px) {
    .cpb-palette { display: none; }
    .cpb-config-panel { position: fixed; right: 0; top: 0; bottom: 0; z-index: 100; }
    .cpb-canvas { padding: 1rem; }
}