/* ============================================
   Markdown Editor Styles
   UPDATED: Added Audiobook Maker Panel (fixed)
   UPDATED: Added starting-block highlight
   UPDATED: Added Sidebar Outline & Section Dividers
============================================= */

/* ============================================
   Audiobook Maker Panel (Fixed at top of editor)
============================================= */

.audiobook-maker-panel {
    position: sticky;
    top: 0;
    z-index: 200;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #3730a3 100%);
    border-radius: var(--border-radius);
    padding: 16px 24px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    box-shadow: 0 4px 20px rgba(30, 27, 75, 0.35);
    color: white;
}

.amp-left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.amp-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.amp-label {
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: rgba(255,255,255,0.7);
    white-space: nowrap;
}

.amp-voice-select {
    min-width: 200px;
    padding: 8px 12px;
    border: 2px solid rgba(255,255,255,0.25);
    border-radius: 8px;
    background: rgba(255,255,255,0.1);
    color: white;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.2s;
}

.amp-voice-select:focus {
    outline: none;
    border-color: rgba(255,255,255,0.6);
    background: rgba(255,255,255,0.15);
}

.amp-voice-select option {
    background: #1e1b4b;
    color: white;
}

/* Block count input group */
.amp-block-count-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.amp-block-count-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(255,255,255,0.7);
    white-space: nowrap;
}

.amp-block-count-input {
    width: 72px;
    padding: 8px 10px;
    border: 2px solid rgba(255,255,255,0.25);
    border-radius: 8px;
    background: rgba(255,255,255,0.1);
    color: white;
    font-size: 0.95rem;
    font-weight: 700;
    text-align: center;
    transition: border-color 0.2s;
    -moz-appearance: textfield;
}

.amp-block-count-input::-webkit-outer-spin-button,
.amp-block-count-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.amp-block-count-input:focus {
    outline: none;
    border-color: rgba(255,255,255,0.6);
    background: rgba(255,255,255,0.15);
}

.amp-count-arrows {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.amp-count-arrow {
    width: 24px;
    height: 18px;
    border: none;
    background: rgba(255,255,255,0.12);
    color: white;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    transition: background 0.2s;
    padding: 0;
}

.amp-count-arrow:hover {
    background: rgba(255,255,255,0.25);
}

/* Starting block indicator */
.amp-start-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(255,255,255,0.1);
    border: 1.5px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s;
}

.amp-start-indicator:hover {
    background: rgba(255,255,255,0.18);
    border-color: rgba(255,255,255,0.4);
}

.amp-start-indicator .start-block-num {
    background: #fbbf24;
    color: #1e1b4b;
    font-weight: 800;
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 24px;
    text-align: center;
}

.amp-start-indicator.pick-mode {
    background: rgba(251, 191, 36, 0.2);
    border-color: #fbbf24;
    color: #fbbf24;
    animation: pickPulse 1.5s ease-in-out infinite;
}

@keyframes pickPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(251, 191, 36, 0.3); }
    50% { box-shadow: 0 0 0 6px rgba(251, 191, 36, 0); }
}

/* Generate button on panel */
.amp-generate-btn {
    padding: 10px 24px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
}

.amp-generate-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
}

.amp-generate-btn:active {
    transform: translateY(0);
}

.amp-generate-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Stats/info line */
.amp-info {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 8px;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 4px;
}

.amp-stat {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.5);
    display: flex;
    align-items: center;
    gap: 4px;
}

.amp-stat strong {
    color: rgba(255,255,255,0.8);
}

/* ============================================
   Layout for Sidebar and Editor
============================================= */

.editor-layout {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.document-outline {
    width: 250px;
    flex-shrink: 0;
    position: sticky;
    top: 120px;
    background: white;
    border-radius: var(--border-radius);
    padding: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.outline-title {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.outline-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.outline-list li {
    padding: 8px 12px;
    font-size: 0.85rem;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.outline-list li:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

.editor-container {
    flex: 1;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    min-height: 500px;
    padding: 24px 48px;
    position: relative;
}

/* ============================================
   Section Dividers (Automated Chapter Markers)
============================================= */

.section-divider {
    display: flex;
    align-items: center;
    margin: 32px 0;
    position: relative;
}

.divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, #cbd5e1, transparent);
}

.divider-content {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    position: relative;
}

.section-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 12px;
    background: #f8fafc;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    outline: none;
    transition: all 0.2s;
}

.section-title:focus {
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 2px rgba(79,70,229,0.1);
}

.btn-merge-section {
    opacity: 0;
    background: #fee2e2;
    color: #dc2626;
    border: none;
    border-radius: 6px;
    font-size: 0.7rem;
    padding: 4px 8px;
    cursor: pointer;
    transition: opacity 0.2s;
    position: absolute;
    left: 100%;
    white-space: nowrap;
}

.section-divider:hover .btn-merge-section {
    opacity: 1;
}

/* ============================================
   Starting Block Highlight
============================================= */

.md-block.starting-block {
    border-left: 4px solid #fbbf24 !important;
    background: rgba(251, 191, 36, 0.06);
}

.md-block.starting-block::before {
    content: 'START';
    position: absolute;
    top: -1px;
    left: -4px;
    background: #fbbf24;
    color: #1e1b4b;
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    padding: 1px 8px;
    border-radius: 0 0 6px 0;
    z-index: 5;
}

/* Blocks in generation range */
.md-block.in-gen-range {
    border-left: 4px solid #a78bfa !important;
    background: rgba(167, 139, 250, 0.04);
}

/* Pick mode: blocks glow on hover */
.editor-pick-mode .md-block:not(.editing):hover {
    border-color: #fbbf24 !important;
    background: rgba(251, 191, 36, 0.08);
    cursor: crosshair;
}

/* ============================================
   Markdown Block
============================================= */

.md-block {
    position: relative;
    margin: 8px 0;
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    border: 2px solid transparent;
    transition: all 0.2s;
    min-height: 48px;
}

.md-block:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.md-block.editing {
    background: #eff6ff;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Block Content */
.md-block-content {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.md-block-content h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    padding-bottom: 8px;
}

.md-block-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.md-block-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.md-block-content p {
    margin: 0;
}

.md-block-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 16px;
    margin: 0;
    font-style: italic;
    color: var(--text-secondary);
}

.md-block-content ul,
.md-block-content ol {
    margin: 0;
    padding-left: 24px;
}

.md-block-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    margin: 8px auto;
    display: block;
}

.md-block-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0;
}

.md-block-content th,
.md-block-content td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: left;
}

.md-block-content th {
    background: var(--bg-tertiary);
    font-weight: 600;
}

/* Block Edit Mode */
.md-block-edit {
    display: none;
}

.md-block.editing .md-block-content {
    display: none;
}

.md-block.editing .md-block-edit {
    display: block;
}

.md-block-textarea {
    width: 100%;
    min-height: 100px;
    padding: 12px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    line-height: 1.6;
    resize: vertical;
    background: white;
}

.md-block-textarea:focus {
    outline: none;
}

/* Block Toolbar */
.md-block-toolbar {
    display: none;
    position: absolute;
    top: -45px; /* Adjust top for new buttons */
    left: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 4px;
    box-shadow: var(--shadow-md);
    z-index: 100;
    gap: 4px;
}

.md-block.editing .md-block-toolbar {
    display: flex;
}

.toolbar-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s;
}

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

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

.toolbar-divider {
    width: 1px;
    background: var(--border-color);
    margin: 4px;
}

.action-btn-text {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0 6px;
    width: auto;
}

/* Empty Block Placeholder */
.md-block-placeholder {
    color: var(--text-muted);
    font-style: italic;
}

/* ============================================
   New Block Line
============================================= */

.new-block-line {
    height: 24px;
    position: relative;
    cursor: text;
}

.new-block-line:hover::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 2px;
    background: var(--primary-color);
    opacity: 0.3;
}

.new-block-line:hover .add-line-buttons {
    display: flex;
}

.add-line-buttons {
    display: none;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    gap: 8px;
    z-index: 50;
}

.add-line-btn {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: all 0.2s;
}

.add-line-btn:hover {
    transform: scale(1.1);
}

/* Image add button - teal */
.add-line-btn.image-btn {
    background: #06b6d4;
}

.add-line-btn.image-btn:hover {
    background: #0891b2;
}

.add-line-btn.image-btn:hover {
    background: #0891b2;
}

/* Section add button - purple */
.add-line-btn.section-btn {
    background: #8b5cf6;
}

.add-line-btn.section-btn:hover {
    background: #7c3aed;
}

/* ============================================
   Image Block - Centered
============================================= */

.image-block {
    text-align: center;
    padding: 24px;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    cursor: pointer;
    transition: all 0.2s;
}

.image-block:hover {
    border-color: var(--primary-color);
    background: rgba(79, 70, 229, 0.05);
}

.image-block img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    margin: 0 auto;
    display: block;
}

.image-upload-placeholder {
    color: var(--text-muted);
}

.image-upload-placeholder i {
    font-size: 2rem;
    margin-bottom: 8px;
    display: block;
}

/* ============================================
   Audio Indicator
============================================= */

.audio-indicator {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.audio-indicator.has-audio {
    background: var(--success-color);
    color: white;
}

.audio-indicator.no-audio {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

/* ============================================
   Block Actions Indicator (Edit + Delete)
============================================= */

.block-actions-indicator {
    position: absolute;
    top: 8px;
    right: 40px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 10;
}

.md-block:hover .block-actions-indicator {
    opacity: 1;
}

.action-indicator-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s;
    padding: 0;
}

.action-indicator-btn.edit-block-btn:hover {
    background: var(--primary-color);
    color: white;
}

.action-indicator-btn.delete-block-btn:hover {
    background: var(--danger-color);
    color: white;
}

/* Hide the old block-edit-indicator since we replaced it */
.block-edit-indicator {
    display: none !important;
}

/* ============================================
   Responsive
============================================= */

@media (max-width: 768px) {
    .audiobook-maker-panel {
        flex-direction: column;
        align-items: stretch;
        padding: 14px 16px;
    }
    
    .amp-left {
        flex-direction: column;
        gap: 10px;
    }
    
    .amp-right {
        justify-content: center;
    }
    
    .amp-voice-select {
        min-width: 100%;
    }
    
    .amp-info {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .editor-layout {
        flex-direction: column;
    }
    
    .document-outline {
        width: 100%;
        position: relative;
        top: 0;
        max-height: 200px;
    }
}