/* ===== EDITOR LAYOUT ===== */
.editor-page {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    background: var(--color-bg-secondary);
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
    gap: 16px;
}

.editor-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
}

.editor-header-right {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.back-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: auto;
    min-width: 44px;
    height: 44px;
    padding: 0 14px;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-fast);
}

.back-button [data-lucide] {
    width: 20px;
    height: 20px;
}

.back-button:hover {
    background: var(--color-primary-hover);
    color: white;
}

/* ===== MODULE SELECTOR ===== */
.module-selector {
    position: relative;
}

.module-selector-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    transition: var(--transition-fast);
}

.module-selector-btn:hover {
    border-color: var(--color-primary);
}

.module-selector-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    min-width: 220px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    max-height: 300px;
    overflow-y: auto;
}

.module-selector-dropdown.active {
    display: block;
}

.module-selector-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    cursor: pointer;
    font-size: 14px;
    color: var(--color-text);
    transition: var(--transition-fast);
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
}

.module-selector-item:hover {
    background: var(--color-bg-secondary);
}

.module-selector-item.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.module-selector-divider {
    height: 1px;
    background: var(--color-border);
    margin: 4px 0;
}

/* ===== MODULE META ===== */
.module-meta {
    display: flex;
    align-items: center;
    gap: 10px;
}

.module-name-input {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    min-width: 200px;
    background: var(--color-bg);
    color: var(--color-text);
}

.module-name-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.module-icon-select {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
}

/* ===== MAIN LAYOUT (3 columns) ===== */
.editor-main {
    display: grid;
    grid-template-columns: 260px 1fr 320px;
    flex: 1;
    overflow: hidden;
}

/* ===== PALETTE ===== */
.editor-palette {
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    padding: 16px;
    overflow-y: auto;
}

.editor-palette h3 {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 16px 0;
    color: var(--color-text);
}

.palette-section {
    margin-bottom: 20px;
}

.palette-section h4 {
    font-size: 11px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.palette-items {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.palette-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: grab;
    font-size: 13px;
    color: var(--color-text);
    transition: var(--transition-fast);
}

.palette-item:hover {
    border-color: var(--color-primary);
    transform: translateX(2px);
}

.palette-item:active {
    cursor: grabbing;
}

.palette-item.dragging {
    opacity: 0.5;
}

.palette-item.palette-block {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    font-weight: 500;
}

.palette-item [data-lucide] {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ===== CANVAS ===== */
.editor-canvas {
    background: var(--color-bg-secondary);
    padding: 24px;
    overflow-y: auto;
}

.canvas-content {
    max-width: 800px;
    margin: 0 auto;
}

.canvas-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-muted);
    text-align: center;
    transition: var(--transition-fast);
}

.canvas-placeholder.drag-over {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.canvas-placeholder [data-lucide] {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.canvas-placeholder p {
    margin: 0 0 16px 0;
    font-size: 16px;
}

/* ===== CANVAS BLOCKS ===== */
.canvas-block {
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    transition: var(--transition-fast);
}

.canvas-block.drag-over {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.canvas-block.selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.block-header {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    cursor: move;
    gap: 12px;
}

.block-icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.block-title {
    flex: 1;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.block-actions {
    display: flex;
    gap: 4px;
}

.block-actions button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.block-actions button:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.block-actions .block-delete-btn:hover {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.block-content {
    padding: 16px;
}

.canvas-instruction {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 14px;
    margin-bottom: 12px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--color-text-secondary);
    font-style: italic;
    line-height: 1.5;
}

/* ===== CANVAS FIELDS ===== */
.canvas-field {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    margin-bottom: 8px;
    background: var(--color-bg-secondary);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    gap: 10px;
}

.canvas-field:hover {
    background: var(--color-bg-tertiary);
}

.canvas-field.selected {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.field-drag-handle {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
    cursor: grab;
    flex-shrink: 0;
}

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

.field-info {
    flex: 1;
    min-width: 0;
}

.field-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.field-type {
    font-size: 11px;
    color: var(--color-text-muted);
}

.field-delete-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--color-text-muted);
    opacity: 0;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.canvas-field:hover .field-delete-btn {
    opacity: 1;
}

.field-delete-btn:hover {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

/* ===== FIELD REORDER INDICATORS ===== */
.canvas-field.field-drop-above {
    border-top: 2px solid var(--color-primary);
}

.canvas-field.field-drop-below {
    border-bottom: 2px solid var(--color-primary);
}

/* ===== ADD FIELD ZONE ===== */
.add-field-zone {
    padding: 14px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-sm);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition-fast);
    margin-top: 8px;
}

.add-field-zone:hover,
.add-field-zone.drag-over {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* ===== SUBSECTION ===== */
.canvas-subsection {
    margin-bottom: 16px;
    padding: 12px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
}

.subsection-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== TEST GROUP ===== */
.canvas-test-group {
    margin-bottom: 16px;
    padding: 12px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-primary);
}

.test-group-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 10px;
}

/* ===== PROPERTIES PANEL ===== */
.editor-properties {
    background: var(--color-bg);
    border-left: 1px solid var(--color-border);
    padding: 16px;
    overflow-y: auto;
}

.editor-properties h3 {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 16px 0;
    color: var(--color-text);
}

.properties-placeholder {
    color: var(--color-text-muted);
    font-size: 13px;
    text-align: center;
    padding: 40px 20px;
}

.properties-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.properties-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.properties-group label {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.properties-group input,
.properties-group select,
.properties-group textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    background: var(--color-bg);
    color: var(--color-text);
}

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

.properties-group textarea {
    min-height: 80px;
    resize: vertical;
}

.properties-checkbox {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.properties-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.properties-checkbox label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    margin: 0;
}

/* ===== OPTIONS EDITOR ===== */
.options-editor {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.option-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.option-row input {
    flex: 1;
}

.option-row button {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.option-row button:hover {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.add-option-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    border: 1px dashed var(--color-border);
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.add-option-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ===== MODALS ===== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
}

.modal-content.modal-large {
    max-width: 800px;
}

.modal-content.modal-fullscreen {
    max-width: 95vw;
    max-height: 95vh;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.close-modal {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--color-text-muted);
}

.close-modal:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

.modal-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.modal-actions {
    display: flex;
    gap: 8px;
    padding: 16px 20px;
    border-top: 1px solid var(--color-border);
    justify-content: flex-end;
}

/* ===== JSON TEXTAREA ===== */
.json-textarea {
    width: 100%;
    min-height: 400px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 12px;
    line-height: 1.5;
    padding: 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-secondary);
    color: var(--color-text);
    resize: vertical;
}

/* ===== PREVIEW FORM ===== */
.preview-form {
    max-width: 700px;
    margin: 0 auto;
}

.preview-form .form-block {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 16px;
}

.preview-form .form-block h3 {
    margin: 0 0 16px 0;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ===== TOAST ===== */
.editor-toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    background: var(--color-text);
    color: var(--color-bg);
    border-radius: var(--radius-md);
    z-index: 10000;
    font-size: 14px;
    font-weight: 500;
    animation: toast-in 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.editor-toast.success {
    background: var(--color-success);
    color: white;
}

.editor-toast.error {
    background: var(--color-danger);
    color: white;
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.btn-primary:hover {
    background: var(--color-primary-hover);
}

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

.btn-secondary:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border-hover);
}

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

.btn-danger:hover {
    background: #DC2626;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
    .editor-main {
        grid-template-columns: 220px 1fr 280px;
    }
}

/* ===== MOBILE PANEL TOGGLE ===== */
.mobile-panel-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    gap: 8px;
    background: var(--color-bg);
    padding: 8px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.mobile-panel-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
}

.mobile-panel-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.mobile-panel-btn [data-lucide] {
    width: 16px;
    height: 16px;
}

/* ===== MOBILE SLIDE PANELS ===== */
.editor-palette.mobile-visible,
.editor-properties.mobile-visible {
    display: block;
    position: fixed;
    top: 0;
    bottom: 0;
    z-index: 150;
    width: 300px;
    box-shadow: var(--shadow-xl);
}

.editor-palette.mobile-visible {
    left: 0;
}

.editor-properties.mobile-visible {
    right: 0;
}

.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 140;
}

.mobile-overlay.active {
    display: block;
}

@media (max-width: 900px) {
    .editor-main {
        grid-template-columns: 1fr;
    }

    .editor-palette,
    .editor-properties {
        display: none;
    }

    .mobile-panel-toggle {
        display: flex;
    }

    .editor-header {
        flex-wrap: wrap;
        gap: 12px;
    }

    .editor-header-left {
        flex: 1 1 100%;
    }

    .module-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }
    .module-meta .module-name-input {
        min-width: 120px;
        font-size: 13px;
        padding: 6px 8px;
    }
    .module-meta .module-icon-select {
        font-size: 13px;
        padding: 6px 8px;
    }

    .editor-canvas {
        padding-bottom: 80px;
    }
}

@media (max-width: 600px) {
    .editor-header-right .btn span {
        display: none;
    }

    .editor-header-right .btn {
        padding: 8px 12px;
    }

    .back-button span {
        display: none;
    }

    .back-button {
        padding: 0;
        width: 44px;
    }
}