/* Document Editor Blocks Styles */

/* Base Block */
.document-block {
    position: absolute;
    min-width: 50px;
    min-height: 24px;
    cursor: move;
    user-select: none;
    box-sizing: border-box;
    transition: box-shadow 0.15s;
}

.document-block:hover {
    outline: 2px solid var(--primary-color, #2196f3);
    outline-offset: -2px;
}

.document-block.selected {
    outline: 2px solid var(--primary-color, #2196f3);
    outline-offset: -2px;
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.2);
}

.document-block.editing {
    cursor: text;
    outline: 2px solid var(--primary-color, #2196f3);
    z-index: 10;
}

.document-block.locked {
    cursor: not-allowed;
}

.document-block.locked::after {
    content: '';
    position: absolute;
    top: 4px;
    right: 4px;
    width: 12px;
    height: 12px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Crect x='3' y='11' width='18' height='11' rx='2' ry='2'/%3E%3Cpath d='M7 11V7a5 5 0 0 1 10 0v4'/%3E%3C/svg%3E")
        center/contain no-repeat;
    opacity: 0.5;
}

/* Resize Handles */
.resize-handle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary-color, #2196f3);
    border: 1px solid white;
    border-radius: 2px;
    z-index: 11;
    display: none;
}

.document-block.selected .resize-handle,
.document-block:hover .resize-handle {
    display: block;
}

.resize-handle.nw {
    top: -4px;
    left: -4px;
    cursor: nw-resize;
}
.resize-handle.n {
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    cursor: n-resize;
}
.resize-handle.ne {
    top: -4px;
    right: -4px;
    cursor: ne-resize;
}
.resize-handle.e {
    top: 50%;
    right: -4px;
    transform: translateY(-50%);
    cursor: e-resize;
}
.resize-handle.se {
    bottom: -4px;
    right: -4px;
    cursor: se-resize;
}
.resize-handle.s {
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    cursor: s-resize;
}
.resize-handle.sw {
    bottom: -4px;
    left: -4px;
    cursor: sw-resize;
}
.resize-handle.w {
    top: 50%;
    left: -4px;
    transform: translateY(-50%);
    cursor: w-resize;
}

/* Block Content */
.block-content {
    width: 100%;
    height: 100%;
    overflow: hidden;
    padding: inherit;
    box-sizing: border-box;
}

/* Text Block */
.document-block.text-block .block-content,
.document-block.heading-block .block-content {
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.document-block.text-block.editing .block-content,
.document-block.heading-block.editing .block-content {
    outline: none;
    visibility: hidden;
}

/* Heading Block */
.document-block.heading-block {
    font-weight: bold;
}

.document-block.heading-block[data-level='1'] {
    font-size: 32px;
}
.document-block.heading-block[data-level='2'] {
    font-size: 24px;
}
.document-block.heading-block[data-level='3'] {
    font-size: 20px;
}
.document-block.heading-block[data-level='4'] {
    font-size: 16px;
}
.document-block.heading-block[data-level='5'] {
    font-size: 14px;
}
.document-block.heading-block[data-level='6'] {
    font-size: 12px;
}

/* Image Block */
.document-block.image-block {
    overflow: hidden;
}

.document-block.image-block img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
}

.document-block.image-block .image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-height: 100px;
    background: var(--bg-secondary, #f5f5f5);
    border: 2px dashed var(--border-color, #ddd);
    border-radius: 4px;
    color: var(--text-secondary, #666);
    cursor: pointer;
}

.document-block.image-block .image-placeholder svg {
    width: 32px;
    height: 32px;
    margin-bottom: 8px;
    opacity: 0.5;
}

.document-block.image-block .image-placeholder span {
    font-size: 12px;
}

/* Table Block */
.document-block.table-block {
    background: white;
    padding: 0;
}

.document-block.table-block .table-wrapper {
    width: 100%;
    height: 100%;
    overflow: auto;
}

.document-block.table-block .document-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.document-block.table-block .table-cell {
    border: 1px solid var(--border-color, #ddd);
    padding: 0;
    min-width: 60px;
    vertical-align: top;
}

.document-block.table-block .cell-content {
    padding: 6px 8px;
    min-height: 24px;
    outline: none;
    cursor: text;
    user-select: text;
}

.document-block.table-block .table-cell.editing {
    outline: 2px solid var(--primary-color, #2196f3);
    outline-offset: -2px;
}

.document-block.table-block .header-row .table-cell {
    background: var(--bg-secondary, #f5f5f5);
    font-weight: 600;
}

.document-block.table-block .header-column {
    background: var(--bg-secondary, #f5f5f5);
    font-weight: 600;
}

/* List Block */
.document-block.list-block {
    background: white;
    padding: 8px 12px;
}

.document-block.list-block .bullet-list,
.document-block.list-block .numbered-list {
    margin: 0;
    padding-left: 24px;
    font-size: 13px;
}

.document-block.list-block .list-item {
    margin: 4px 0;
    line-height: 1.5;
}

.document-block.list-block .nested-list {
    margin-top: 4px;
    padding-left: 20px;
}

.document-block.list-block .checklist {
    padding: 0;
}

.document-block.list-block .checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 4px 0;
}

.document-block.list-block .checklist-item.checked .checklist-label {
    text-decoration: line-through;
    color: var(--text-secondary, #888);
}

.document-block.list-block .checklist-checkbox {
    margin-top: 3px;
    cursor: pointer;
}

.document-block.list-block .checklist-label {
    flex: 1;
    line-height: 1.5;
}

/* Shape Block */
.document-block.shape-block {
    background: transparent;
    padding: 0;
}

.document-block.shape-block .shape-content {
    width: 100%;
    height: 100%;
}

.document-block.shape-block .shape-svg {
    display: block;
}

.document-block.shape-block .shape-element {
    vector-effect: non-scaling-stroke;
}

/* Drawing Block */
.document-block.drawing-block {
    background: white;
    padding: 6px;
    cursor: grab;
}

.document-block.drawing-block:active {
    cursor: grabbing;
}

.document-block.drawing-block .drawing-content {
    width: 100%;
    height: 100%;
    position: relative;
}

.document-block.drawing-block .drawing-svg {
    display: block;
    cursor: crosshair;
}

.document-block.drawing-block .drawing-path {
    cursor: pointer;
}

.document-block.drawing-block .drawing-path.drawing {
    cursor: crosshair;
}

.document-block.drawing-block .drawing-toolbar {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: var(--bg-primary, white);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transition: opacity 0.15s;
}

.document-block.drawing-block:hover .drawing-toolbar,
.document-block.drawing-block.selected .drawing-toolbar {
    opacity: 1;
}

.document-block.drawing-block .drawing-tool,
.document-block.drawing-block .drawing-action {
    position: relative; /* Required for data-tooltip CSS */
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-primary, #333);
}

.document-block.drawing-block .drawing-tool:hover,
.document-block.drawing-block .drawing-action:hover:not(:disabled) {
    background: var(--bg-hover, #f0f0f0);
}

.document-block.drawing-block .drawing-tool.active {
    background: var(--primary-light, #e3f2fd);
    color: var(--primary-color, #2196f3);
}

.document-block.drawing-block .drawing-action:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.document-block.drawing-block .drawing-divider {
    width: 1px;
    height: 20px;
    background: var(--border-color, #e0e0e0);
    margin: 0 4px;
}

.document-block.drawing-block .drawing-color {
    width: 24px;
    height: 24px;
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 4px;
    padding: 0;
    cursor: pointer;
}

.document-block.drawing-block .drawing-stroke-width {
    height: 24px;
    padding: 0 4px;
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 4px;
    font-size: 11px;
    background: var(--bg-primary, white);
}

/* Code Block */
.document-block.code-block {
    background: #1e1e1e;
    border-radius: 6px;
    overflow: hidden;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

.document-block.code-block .code-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    background: #2d2d2d;
    border-bottom: 1px solid #3d3d3d;
}

.document-block.code-block .code-language {
    font-size: 11px;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.document-block.code-block .copy-code-btn {
    position: relative; /* Required for data-tooltip CSS */
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    color: #888;
}

.document-block.code-block .copy-code-btn:hover {
    background: #3d3d3d;
    color: #fff;
}

.document-block.code-block .copy-code-btn.copied {
    color: #4caf50;
}

.document-block.code-block .code-wrapper {
    display: flex;
    max-height: 300px;
    overflow: auto;
}

.document-block.code-block .line-numbers {
    display: flex;
    flex-direction: column;
    padding: 12px 0;
    padding-left: 12px;
    background: #252525;
    color: #555;
    font-size: 12px;
    line-height: 1.5;
    user-select: none;
    text-align: right;
    min-width: 32px;
}

.document-block.code-block .line-numbers span {
    padding-right: 12px;
}

.document-block.code-block .code-pre {
    flex: 1;
    margin: 0;
    padding: 12px;
    overflow-x: auto;
    font-size: 12px;
    line-height: 1.5;
}

.document-block.code-block code {
    color: #d4d4d4;
    font-family: inherit;
}

/* Comment Block (Phase 3) */
.document-block.comment-block {
    background: #fff9c4;
    border: 1px solid #fdd835;
    border-radius: 4px;
    padding: 8px;
    font-size: 12px;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

/* Divider Block */
.document-block.divider-block {
    height: 1px !important;
    min-height: 1px;
    background: var(--border-color, #ddd);
}

/* Spacer Block */
.document-block.spacer-block {
    background: transparent;
    border: 1px dashed var(--border-color, #ddd);
    opacity: 0.5;
}

.document-block.spacer-block:hover {
    opacity: 1;
}

/* Placeholder text */
.block-placeholder {
    color: var(--text-secondary, #999);
    font-style: italic;
    pointer-events: none;
}

/* Selection box (multi-select) */
.selection-box {
    position: absolute;
    border: 1px dashed var(--primary-color, #2196f3);
    background: rgba(33, 150, 243, 0.1);
    pointer-events: none;
    z-index: 99;
}

/* Alignment guides */
.alignment-guide {
    position: absolute;
    background: var(--primary-color, #2196f3);
    z-index: 98;
    pointer-events: none;
}

.alignment-guide.horizontal {
    height: 1px;
    width: 100%;
    left: 0;
}

.alignment-guide.vertical {
    width: 1px;
    height: 100%;
    top: 0;
}

/* Drag preview */
.block-drag-preview {
    position: fixed;
    pointer-events: none;
    opacity: 0.8;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Context menu */
.block-context-menu {
    position: fixed;
    min-width: 160px;
    background: var(--bg-primary, white);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1002;
    padding: 4px 0;
}

.context-menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary, #333);
    transition: background-color 0.15s;
}

.context-menu-item:hover {
    background: var(--bg-hover, #f0f0f0);
}

.context-menu-item.danger {
    color: var(--danger-color, #f44336);
}

.context-menu-divider {
    height: 1px;
    background: var(--border-color, #e0e0e0);
    margin: 4px 0;
}

/* Flow Block Delete Button */
.flow-block-delete-btn {
    position: static;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-tertiary, #999);
    transition:
        background-color 0.15s,
        color 0.15s;
}

.flow-block-delete-btn:hover {
    background-color: var(--bg-hover, #f0f0f0);
    color: var(--danger-color, #f44336);
}

.flow-block-delete-btn .material-icons {
    font-size: 16px;
}

/* Dark theme */
[data-theme='dark'] .document-block.image-block .image-placeholder {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme='dark'] .block-context-menu {
    background: var(--bg-primary);
    border-color: var(--border-color);
}

/* Dark theme: Document content (paper) - always black text */
[data-theme='dark'] .document-block .block-content {
    color: #333;
}

[data-theme='dark'] .document-block.text-block .block-content,
[data-theme='dark'] .document-block.heading-block .block-content {
    color: #333;
}

[data-theme='dark'] .document-block.list-block {
    color: #333;
}

[data-theme='dark'] .document-block.table-block .cell-content {
    color: #333;
}