/* ============================================================================
   TikZ Draw – Clean Minimal CSS
   Inspired by Texpile's airy aesthetic: white panels, subtle borders, dot grid
   canvas, pill buttons, light blue accent active states.
   ============================================================================ */

/* ── Workspace Container ──────────────────────────────────────────────────── */
.tikz-draw-workspace {
    font-family: var(--font-sans);
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid #e3e3e6;
    background: #fff;
    color: #111113;
    height: calc(100vh - 280px);
    min-height: 520px;
}
[data-theme="dark"] .tikz-draw-workspace {
    background: #1a1a1e;
    border-color: #2e2e32;
    color: #e4e4e7;
}

/* ── Action Bar (top) ─────────────────────────────────────────────────────── */
.tikz-draw-workspace .header {
    background: #fff;
    border-bottom: 1px solid #e3e3e6;
    padding: 6px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    min-height: 44px;
}
[data-theme="dark"] .tikz-draw-workspace .header {
    background: #1a1a1e;
    border-color: #2e2e32;
}

.tikz-draw-workspace .header-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

/* Buttons — outlined pill style */
.tikz-draw-workspace .btn {
    background: #fff;
    border: 1px solid #e3e3e6;
    color: #6b6b74;
    padding: 5px 14px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    font-family: var(--font-sans);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.15s ease;
    white-space: nowrap;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.tikz-draw-workspace .btn:hover {
    border-color: #3478f6;
    color: #3478f6;
    background: #f0f5ff;
}
[data-theme="dark"] .tikz-draw-workspace .btn {
    background: #252528;
    border-color: #3a3a3e;
    color: #a1a1aa;
}
[data-theme="dark"] .tikz-draw-workspace .btn:hover {
    border-color: #5b9bf7;
    color: #5b9bf7;
    background: rgba(52,120,246,0.1);
}

.tikz-draw-workspace .btn-primary {
    background: #3478f6;
    border-color: #3478f6;
    color: #fff;
    box-shadow: 0 1px 3px rgba(52,120,246,0.25);
}
.tikz-draw-workspace .btn-primary:hover {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
}

.tikz-draw-workspace .btn-danger {
    background: #ef4444;
    border-color: #ef4444;
    color: #fff;
}
.tikz-draw-workspace .btn-danger:hover {
    background: #dc2626;
    border-color: #dc2626;
}

.tikz-draw-workspace button[disabled] {
    pointer-events: none;
    opacity: 0.35;
}

.tikz-draw-workspace .header-separator {
    width: 1px;
    height: 20px;
    background: #e3e3e6;
    margin: 0 2px;
    flex-shrink: 0;
}
[data-theme="dark"] .tikz-draw-workspace .header-separator {
    background: #3a3a3e;
}

/* ── Main Layout ──────────────────────────────────────────────────────────── */
.tikz-draw-workspace .main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ── Left Toolbar ─────────────────────────────────────────────────────────── */
.tikz-draw-workspace .toolbar {
    width: 52px;
    background: #fff;
    border-right: 1px solid #e3e3e6;
    padding: 6px 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex-shrink: 0;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: none;
}
.tikz-draw-workspace .toolbar::-webkit-scrollbar { display: none; }
[data-theme="dark"] .tikz-draw-workspace .toolbar {
    background: #1a1a1e;
    border-color: #2e2e32;
}

.tikz-draw-workspace .tool {
    width: 44px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #6b6b74;
    font-size: 9px;
    gap: 1px;
    transition: all 0.15s ease;
}
.tikz-draw-workspace .tool:hover {
    background: #f4f4f5;
    color: #111113;
}
[data-theme="dark"] .tikz-draw-workspace .tool:hover {
    background: #2a2a2e;
    color: #e4e4e7;
}

.tikz-draw-workspace .tool.active {
    background: #eef3ff;
    color: #3478f6;
}
[data-theme="dark"] .tikz-draw-workspace .tool.active {
    background: rgba(52,120,246,0.15);
    color: #5b9bf7;
}

.tikz-draw-workspace .tool-icon {
    font-size: 16px;
    line-height: 1;
}

.tikz-draw-workspace .tool-divider {
    height: 1px;
    background: #e3e3e6;
    margin: 4px 6px;
}
[data-theme="dark"] .tikz-draw-workspace .tool-divider {
    background: #2e2e32;
}

/* ── Canvas (light with dot grid) ──────────────────────────────────────────── */
.tikz-draw-workspace .canvas-container {
    flex: 1;
    background: #eeeef0;
    position: relative;
    overflow: hidden;
    touch-action: none; /* prevent browser gestures on canvas */
}
[data-theme="dark"] .tikz-draw-workspace .canvas-container {
    background: #141418;
}

.tikz-draw-workspace #canvas {
    position: absolute;
    top: 0;
    left: 0;
}

/* ── Right Panel (Objects) ────────────────────────────────────────────────── */
.tikz-draw-workspace .right-panel {
    width: 320px;
    background: #fff;
    border-left: 1px solid #e3e3e6;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}
[data-theme="dark"] .tikz-draw-workspace .right-panel {
    background: #1a1a1e;
    border-color: #2e2e32;
}

.tikz-draw-workspace .panel-section {
    border-bottom: 1px solid #e3e3e6;
}
[data-theme="dark"] .tikz-draw-workspace .panel-section {
    border-color: #2e2e32;
}

.tikz-draw-workspace .panel-header {
    padding: 8px 12px;
    background: #fafafa;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: #6b6b74;
    letter-spacing: 0.5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #e3e3e6;
}
[data-theme="dark"] .tikz-draw-workspace .panel-header {
    background: #1e1e22;
    color: #a1a1aa;
    border-color: #2e2e32;
}

.tikz-draw-workspace .panel-content {
    padding: 12px;
}

/* ── Property Rows ────────────────────────────────────────────────────────── */
.tikz-draw-workspace .property-row {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}
.tikz-draw-workspace .property-row:last-child { margin-bottom: 0; }

.tikz-draw-workspace .property-label {
    width: 72px;
    font-size: 11px;
    color: #6b6b74;
    flex-shrink: 0;
    font-weight: 500;
}
[data-theme="dark"] .tikz-draw-workspace .property-label { color: #a1a1aa; }

.tikz-draw-workspace .property-input { flex: 1; }

.tikz-draw-workspace .property-input input,
.tikz-draw-workspace .property-input select,
.tikz-draw-workspace .property-input textarea {
    width: 100%;
    background: #fff;
    border: 1px solid #e3e3e6;
    color: #111113;
    padding: 5px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-family: var(--font-sans);
    transition: border-color 0.15s ease;
}
[data-theme="dark"] .tikz-draw-workspace .property-input input,
[data-theme="dark"] .tikz-draw-workspace .property-input select,
[data-theme="dark"] .tikz-draw-workspace .property-input textarea {
    background: #252528;
    border-color: #3a3a3e;
    color: #e4e4e7;
}

.tikz-draw-workspace .property-input textarea {
    font-family: var(--font-mono);
    resize: vertical;
    min-height: 28px;
}

.tikz-draw-workspace .property-input input:focus,
.tikz-draw-workspace .property-input select:focus,
.tikz-draw-workspace .property-input textarea:focus {
    outline: none;
    border-color: #3478f6;
    box-shadow: 0 0 0 2px rgba(52, 120, 246, 0.12);
}

/* ── Color Picker inline ──────────────────────────────────────────────────── */
.tikz-draw-workspace .color-row {
    display: flex;
    align-items: center;
    gap: 4px;
}

.tikz-draw-workspace .color-swatch {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    border: 1px solid #e3e3e6;
    flex-shrink: 0;
}

.tikz-draw-workspace .color-row select { flex: 1; }

.tikz-draw-workspace .btn-small {
    background: #fff;
    border: 1px solid #e3e3e6;
    color: #6b6b74;
    width: 22px;
    height: 22px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    transition: all 0.15s ease;
}
.tikz-draw-workspace .btn-small:hover {
    background: #3478f6;
    color: #fff;
    border-color: #3478f6;
}
[data-theme="dark"] .tikz-draw-workspace .btn-small {
    background: #252528;
    border-color: #3a3a3e;
    color: #a1a1aa;
}

/* ── Input helpers ────────────────────────────────────────────────────────── */
.tikz-draw-workspace .radio-group { display: flex; gap: 12px; }
.tikz-draw-workspace .radio-option {
    display: flex; align-items: center; gap: 4px;
    font-size: 11px; cursor: pointer;
}
.tikz-draw-workspace .radio-option input,
.tikz-draw-workspace .checkbox-row input { accent-color: #3478f6; }

.tikz-draw-workspace .coord-inputs { display: flex; gap: 4px; }
.tikz-draw-workspace .coord-inputs input { width: 50%; }

.tikz-draw-workspace .checkbox-row {
    display: flex; align-items: center; gap: 8px;
}

.tikz-draw-workspace .latex-preview {
    background: #f4f4f5;
    border: 1px solid #e3e3e6;
    border-radius: 6px;
    padding: 6px 8px;
    min-height: 32px;
    display: flex;
    align-items: center;
    color: #6b6b74;
    font-size: 11px;
}
[data-theme="dark"] .tikz-draw-workspace .latex-preview {
    background: #252528;
    border-color: #3a3a3e;
    color: #a1a1aa;
}

/* ── Object List ──────────────────────────────────────────────────────────── */
.tikz-draw-workspace .object-list-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.tikz-draw-workspace .object-list {
    flex: 1;
    overflow-y: auto;
    padding: 2px 0;
}

.tikz-draw-workspace .object-item {
    padding: 4px 8px 4px 4px;
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 3px;
    user-select: none;
    border: 1px solid transparent;
    border-radius: 6px;
    margin: 0 4px;
    transition: background 0.12s ease;
}
.tikz-draw-workspace .object-item:hover {
    background: #f4f4f5;
}
[data-theme="dark"] .tikz-draw-workspace .object-item:hover {
    background: #252528;
}

.tikz-draw-workspace .object-item.selected {
    background: #eef3ff;
    border-color: #d0dfff;
    color: #2563eb;
}
[data-theme="dark"] .tikz-draw-workspace .object-item.selected {
    background: rgba(52,120,246,0.12);
    border-color: rgba(52,120,246,0.25);
    color: #5b9bf7;
}

.tikz-draw-workspace .object-item.drag-over {
    border-top: 2px solid #3478f6;
}
.tikz-draw-workspace .object-item.dragging { opacity: 0.35; }

.tikz-draw-workspace .drag-handle {
    color: #c4c4cc;
    cursor: grab;
    font-size: 10px;
    padding: 2px;
}
.tikz-draw-workspace .drag-handle:hover { color: #6b6b74; }
[data-theme="dark"] .tikz-draw-workspace .drag-handle { color: #52525b; }

.tikz-draw-workspace .lock-btn {
    color: #c4c4cc;
    cursor: pointer;
    font-size: 11px;
    padding: 2px;
    opacity: 0.5;
    transition: opacity 0.12s ease;
}
.tikz-draw-workspace .lock-btn:hover { opacity: 1; }
.tikz-draw-workspace .lock-btn.locked { color: #f59e0b; opacity: 1; }
.tikz-draw-workspace .object-item.locked { opacity: 0.5; }
.tikz-draw-workspace .object-item.locked .obj-name { font-style: italic; }

.tikz-draw-workspace .expand-btn {
    width: 16px;
    font-size: 10px;
    color: #c4c4cc;
    cursor: pointer;
    text-align: center;
}
.tikz-draw-workspace .expand-btn:hover { color: #111113; }
[data-theme="dark"] .tikz-draw-workspace .expand-btn:hover { color: #e4e4e7; }

.tikz-draw-workspace .obj-icon {
    width: 18px;
    text-align: center;
    flex-shrink: 0;
    color: #a1a1aa;
}

.tikz-draw-workspace .obj-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tikz-draw-workspace .subobject {
    padding-left: 28px;
    font-size: 11px;
    color: #a1a1aa;
}
.tikz-draw-workspace .subobject:hover { color: #6b6b74; }
.tikz-draw-workspace .subobject.selected {
    background: #eef3ff;
    color: #2563eb;
}
[data-theme="dark"] .tikz-draw-workspace .subobject.selected {
    background: rgba(52,120,246,0.1);
    color: #5b9bf7;
}

/* ── Status Bar (subtle, not heavy) ──────────────────────────────────────── */
.tikz-draw-workspace .status-bar {
    background: #fafafa;
    border-top: 1px solid #e3e3e6;
    color: #6b6b74;
    padding: 3px 12px;
    font-size: 11px;
    display: flex;
    gap: 16px;
    flex-shrink: 0;
    font-weight: 400;
}
[data-theme="dark"] .tikz-draw-workspace .status-bar {
    background: #1e1e22;
    border-color: #2e2e32;
    color: #71717a;
}

.tikz-draw-workspace .status-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ── No selection ─────────────────────────────────────────────────────────── */
.tikz-draw-workspace .no-selection {
    color: #a1a1aa;
    font-style: italic;
    text-align: center;
    padding: 24px;
    font-size: 13px;
}

/* ── Properties Float (inside canvas) ─────────────────────────────────────── */
.canvas-properties {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 260px;
    max-height: calc(100% - 24px);
    background: #fff;
    border: 1px solid #e3e3e6;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    z-index: 10;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: propSlideIn 0.15s ease-out;
}
@keyframes propSlideIn {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}
[data-theme="dark"] .canvas-properties {
    background: #1e1e22;
    border-color: #2e2e32;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.canvas-properties-header {
    padding: 8px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    font-weight: 600;
    color: #111113;
    border-bottom: 1px solid #e3e3e6;
    flex-shrink: 0;
    cursor: move;
    user-select: none;
}
[data-theme="dark"] .canvas-properties-header {
    color: #e4e4e7;
    border-color: #2e2e32;
}

.canvas-properties-body {
    padding: 10px;
    overflow-y: auto;
    flex: 1;
}

.tikz-draw-workspace .panel-close-btn {
    background: none;
    border: none;
    color: #a1a1aa;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    padding: 2px 4px;
    border-radius: 4px;
    transition: all 0.12s ease;
}
.tikz-draw-workspace .panel-close-btn:hover {
    color: #111113;
    background: rgba(0,0,0,0.06);
}
[data-theme="dark"] .tikz-draw-workspace .panel-close-btn:hover {
    color: #e4e4e7;
    background: rgba(255,255,255,0.06);
}

/* Properties form fields inside canvas float */
.canvas-properties .property-row {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
}
.canvas-properties .property-row:last-child { margin-bottom: 0; }

.canvas-properties .property-label {
    width: 64px;
    font-size: 11px;
    color: #6b6b74;
    flex-shrink: 0;
    font-weight: 500;
}
[data-theme="dark"] .canvas-properties .property-label { color: #a1a1aa; }
.canvas-properties .property-input { flex: 1; }

.canvas-properties .property-input input,
.canvas-properties .property-input select,
.canvas-properties .property-input textarea {
    width: 100%;
    background: #fafafa;
    border: 1px solid #e3e3e6;
    color: #111113;
    padding: 4px 6px;
    border-radius: 5px;
    font-size: 11px;
    font-family: var(--font-sans);
    transition: border-color 0.15s ease;
}
[data-theme="dark"] .canvas-properties .property-input input,
[data-theme="dark"] .canvas-properties .property-input select,
[data-theme="dark"] .canvas-properties .property-input textarea {
    background: #252528;
    border-color: #3a3a3e;
    color: #e4e4e7;
}
.canvas-properties .property-input input:focus,
.canvas-properties .property-input select:focus,
.canvas-properties .property-input textarea:focus {
    outline: none;
    border-color: #3478f6;
    box-shadow: 0 0 0 2px rgba(52, 120, 246, 0.12);
}

.canvas-properties .property-input textarea {
    font-family: var(--font-mono);
    resize: vertical;
    min-height: 24px;
}

.canvas-properties .color-row { display: flex; align-items: center; gap: 4px; }
.canvas-properties .color-swatch {
    width: 20px; height: 20px;
    border-radius: 5px;
    border: 1px solid #e3e3e6;
    flex-shrink: 0;
}
.canvas-properties .color-row select { flex: 1; }

.canvas-properties .btn-small {
    background: #fff;
    border: 1px solid #e3e3e6;
    color: #6b6b74;
    width: 20px; height: 20px;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
    transition: all 0.15s ease;
}
.canvas-properties .btn-small:hover {
    background: #3478f6;
    color: #fff;
    border-color: #3478f6;
}
[data-theme="dark"] .canvas-properties .btn-small {
    background: #252528;
    border-color: #3a3a3e;
    color: #a1a1aa;
}

.canvas-properties .coord-inputs { display: flex; gap: 4px; }
.canvas-properties .coord-inputs input { width: 50%; }
.canvas-properties .checkbox-row { display: flex; align-items: center; gap: 6px; }
.canvas-properties .checkbox-row input { accent-color: #3478f6; }
.canvas-properties .radio-group { display: flex; gap: 10px; }
.canvas-properties .radio-option {
    display: flex; align-items: center; gap: 3px;
    font-size: 11px; cursor: pointer;
}
.canvas-properties .radio-option input { accent-color: #3478f6; }

.canvas-properties .latex-preview {
    background: #f4f4f5;
    border: 1px solid #e3e3e6;
    border-radius: 5px;
    padding: 4px 6px;
    min-height: 28px;
    display: flex;
    align-items: center;
    color: #6b6b74;
    font-size: 11px;
}
[data-theme="dark"] .canvas-properties .latex-preview {
    background: #252528;
    border-color: #3a3a3e;
    color: #a1a1aa;
}

/* ── Code Section (inline in right panel) ────────────────────────────────── */
.tikz-draw-workspace .code-section {
    border-top: 1px solid #e3e3e6;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}
.tikz-draw-workspace .code-section.collapsed {
    display: none;
}
[data-theme="dark"] .tikz-draw-workspace .code-section {
    border-color: #2e2e32;
}

.tikz-draw-workspace .code-output {
    padding: 10px 12px;
    margin: 0;
    font-family: 'JetBrains Mono', var(--font-mono, monospace);
    font-size: 11px;
    line-height: 1.5;
    color: #111113;
    background: #fafafa;
    overflow: auto;
    max-height: 200px;
    white-space: pre-wrap;
    word-break: break-all;
}
[data-theme="dark"] .tikz-draw-workspace .code-output {
    background: #141418;
    color: #e2e8f0;
}

.tikz-draw-workspace .panel-copy-btn {
    background: none;
    border: 1px solid #e3e3e6;
    color: #6b6b74;
    padding: 1px 8px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 10px;
    font-weight: 500;
    transition: all 0.15s ease;
}
.tikz-draw-workspace .panel-copy-btn:hover {
    border-color: #3478f6;
    color: #3478f6;
}
[data-theme="dark"] .tikz-draw-workspace .panel-copy-btn {
    border-color: #3a3a3e;
    color: #a1a1aa;
}
[data-theme="dark"] .tikz-draw-workspace .panel-copy-btn:hover {
    border-color: #5b9bf7;
    color: #5b9bf7;
}

/* ============================================================================
   Modals — outside .tikz-draw-workspace scope
   ============================================================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal, 1050);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.modal-overlay.visible { display: flex; }

.modal-overlay .modal {
    background: #fff;
    border: 1px solid #e3e3e6;
    border-radius: 12px;
    padding: 20px;
    width: 320px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    animation: tikzModalIn 0.18s ease-out;
}
[data-theme="dark"] .modal-overlay .modal {
    background: #1a1a1e;
    border-color: #2e2e32;
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

@keyframes tikzModalIn {
    from { opacity: 0; transform: scale(0.97) translateY(6px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-overlay .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.modal-overlay .modal-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: #111113;
}
[data-theme="dark"] .modal-overlay .modal-header h3 { color: #e4e4e7; }

.modal-overlay .modal-close {
    background: none;
    border: none;
    color: #a1a1aa;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    padding: 4px;
    border-radius: 6px;
    transition: all 0.12s ease;
}
.modal-overlay .modal-close:hover {
    color: #111113;
    background: #f4f4f5;
}
[data-theme="dark"] .modal-overlay .modal-close:hover {
    color: #e4e4e7;
    background: #2a2a2e;
}

.modal-overlay .modal-buttons {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 16px;
}

/* Modal buttons — same pill style */
.modal-overlay .btn {
    background: #fff;
    border: 1px solid #e3e3e6;
    color: #6b6b74;
    padding: 5px 14px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    font-family: var(--font-sans);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.15s ease;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.modal-overlay .btn:hover {
    border-color: #3478f6;
    color: #3478f6;
}
[data-theme="dark"] .modal-overlay .btn {
    background: #252528;
    border-color: #3a3a3e;
    color: #a1a1aa;
}
.modal-overlay .btn-primary {
    background: #3478f6;
    border-color: #3478f6;
    color: #fff;
}
.modal-overlay .btn-primary:hover {
    background: #2563eb;
    border-color: #2563eb;
}
.modal-overlay .btn-danger {
    background: #ef4444;
    border-color: #ef4444;
    color: #fff;
}
.modal-overlay .btn-danger:hover {
    background: #dc2626;
}

/* Modal form fields */
.modal-overlay .property-row {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}
.modal-overlay .property-row:last-child { margin-bottom: 0; }

.modal-overlay .property-label {
    width: 72px;
    font-size: 11px;
    color: #6b6b74;
    flex-shrink: 0;
    font-weight: 500;
}
[data-theme="dark"] .modal-overlay .property-label { color: #a1a1aa; }
.modal-overlay .property-input { flex: 1; }

.modal-overlay .property-input input,
.modal-overlay .property-input select,
.modal-overlay .property-input textarea {
    width: 100%;
    background: #fafafa;
    border: 1px solid #e3e3e6;
    color: #111113;
    padding: 5px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-family: var(--font-sans);
    transition: border-color 0.15s ease;
}
[data-theme="dark"] .modal-overlay .property-input input,
[data-theme="dark"] .modal-overlay .property-input select,
[data-theme="dark"] .modal-overlay .property-input textarea {
    background: #252528;
    border-color: #3a3a3e;
    color: #e4e4e7;
}
.modal-overlay .property-input input:focus,
.modal-overlay .property-input select:focus,
.modal-overlay .property-input textarea:focus {
    outline: none;
    border-color: #3478f6;
    box-shadow: 0 0 0 2px rgba(52, 120, 246, 0.12);
}

.modal-overlay .panel-content { padding: 12px; }

.modal-overlay .latex-preview {
    background: #f4f4f5;
    border: 1px solid #e3e3e6;
    border-radius: 6px;
    padding: 6px 8px;
    min-height: 32px;
    display: flex;
    align-items: center;
    color: #6b6b74;
    font-size: 11px;
}
[data-theme="dark"] .modal-overlay .latex-preview {
    background: #252528;
    border-color: #3a3a3e;
}

/* (Properties modal removed — now inline in right panel) */

/* ── Color Picker Modal ───────────────────────────────────────────────────── */
.color-picker-area {
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, #000, transparent),
                linear-gradient(to right, #fff, #f00);
    border-radius: 8px;
    margin-bottom: 12px;
    position: relative;
    cursor: crosshair;
}

.color-picker-cursor {
    width: 14px;
    height: 14px;
    border: 2px solid #fff;
    border-radius: 50%;
    position: absolute;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
    pointer-events: none;
}

.hue-slider {
    width: 100%;
    height: 12px;
    background: linear-gradient(to right, #f00, #ff0, #0f0, #0ff, #00f, #f0f, #f00);
    border-radius: 999px;
    margin-bottom: 16px;
    cursor: pointer;
    position: relative;
}

.hue-cursor {
    width: 6px;
    height: 16px;
    background: #fff;
    border-radius: 3px;
    position: absolute;
    top: -2px;
    transform: translateX(-50%);
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.35);
    pointer-events: none;
}

.color-inputs-row {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.color-input-group { flex: 1; }

.color-input-group label {
    display: block;
    font-size: 10px;
    color: #a1a1aa;
    margin-bottom: 3px;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.color-input-group input {
    width: 100%;
    background: #fafafa;
    border: 1px solid #e3e3e6;
    color: #111113;
    padding: 4px 6px;
    border-radius: 6px;
    font-size: 11px;
}
[data-theme="dark"] .color-input-group input {
    background: #252528;
    border-color: #3a3a3e;
    color: #e4e4e7;
}

.color-preview-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 16px 0;
}

.color-preview-swatch {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    border: 1px solid #e3e3e6;
}

/* ── Export Modal ──────────────────────────────────────────────────────────── */
.modal-overlay .export-textarea {
    width: 100%;
    height: 400px;
    background: #fafafa;
    border: 1px solid #e3e3e6;
    color: #111113;
    font-family: 'JetBrains Mono', var(--font-mono);
    font-size: 12px;
    padding: 12px;
    border-radius: 8px;
    resize: none;
    line-height: 1.6;
}
[data-theme="dark"] .modal-overlay .export-textarea {
    background: #141418;
    border-color: #2e2e32;
    color: #e2e8f0;
}

.modal-overlay .modal.large {
    width: 600px;
    max-width: 90vw;
}

/* ── Toast Notifications ──────────────────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    color: #111113;
    padding: 10px 20px;
    border-radius: 999px;
    border: 1px solid #e3e3e6;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    font-size: 13px;
    font-weight: 500;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}
[data-theme="dark"] .toast {
    background: #1a1a1e;
    border-color: #2e2e32;
    color: #e4e4e7;
    box-shadow: 0 4px 16px rgba(0,0,0,0.35);
}
.toast.show { opacity: 1; }
.toast.success { border-color: #22c55e; }
.toast.error   { border-color: #ef4444; }
.toast.info    { border-color: #3478f6; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 992px) {
    .tikz-draw-workspace .right-panel { width: 220px; }
}

@media (max-width: 768px) {
    .tikz-draw-workspace {
        height: calc(100vh - 200px);
        min-height: 400px;
        border-radius: 8px;
    }

    .tikz-draw-workspace .toolbar {
        width: auto;
        flex-direction: row;
        overflow-x: auto;
        border-right: none;
        border-bottom: 1px solid #e3e3e6;
        padding: 4px 8px;
    }
    [data-theme="dark"] .tikz-draw-workspace .toolbar {
        border-color: #2e2e32;
    }

    .tikz-draw-workspace .tool {
        width: 36px;
        height: 36px;
        flex-shrink: 0;
    }
    .tikz-draw-workspace .tool-divider {
        width: 1px;
        height: auto;
        margin: 0 4px;
    }

    .tikz-draw-workspace .main {
        flex-direction: column;
    }

    .tikz-draw-workspace .right-panel {
        width: 100%;
        max-height: 180px;
        border-left: none;
        border-top: 1px solid #e3e3e6;
    }
    [data-theme="dark"] .tikz-draw-workspace .right-panel {
        border-color: #2e2e32;
    }

    .canvas-properties {
        width: 220px;
        font-size: 10px;
    }

    .tikz-draw-workspace .header-buttons { gap: 4px; }
    .tikz-draw-workspace .btn {
        padding: 4px 10px;
        font-size: 11px;
    }

    .modal-overlay .modal {
        width: calc(100vw - 2rem);
        max-height: 80vh;
        overflow-y: auto;
    }
    .modal-overlay .modal.large {
        width: calc(100vw - 2rem);
    }
}