/* ===== CSS Variables ===== */
:root {
    /* Branding: Schloss-Schule Ilvesheim (Light Mode Default) */
    --primary: #D64F5F;           /* Logo Red */
    --primary-hover: #BF4453;
    --primary-light: #E68A94;
    --primary-dim: rgba(214, 79, 95, 0.05);
    
    --header-bg: #F8FAFC;
    --header-text: #D64F5F;
    
    --secondary: #64748B;
    --secondary-hover: #475569;
    
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
    
    --bg: #F1F5F9;
    --bg-card: #FFFFFF;
    --bg-input: #FFFFFF;
    --bg-hover: #F8FAFC;
    
    --log-bg: #FFFFFF;
    --log-text: #334155;
    
    --text: #1E293B;
    --text-muted: #64748B;
    --text-dim: #94A3B8;
    
    --border: #E2E8F0;
    --border-focus: #D64F5F;
    
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0F172A;
        --bg-card: #1E293B;
        --bg-input: #1E293B;
        --bg-hover: #334155;
        --header-bg: #1E293B;
        --log-bg: #0F172A;
        --log-text: #E2E8F0;
        --text: #F8FAFC;
        --text-muted: #94A3B8;
        --text-dim: #64748B;
        --border: #334155;
        --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3);
        --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.4);
    }
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden; /* Avoid horizontal scrolling */
}

.app {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
    align-items: flex-start;
    transition: grid-template-columns 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.app.sidebar-collapsed .dashboard-grid {
    grid-template-columns: 0px 1fr;
    gap: 0;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s, width 0.4s;
    width: 380px;
    position: sticky;
    top: var(--space-6);
    height: calc(100vh - 48px);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: var(--space-2); /* Space for scrollbar */
    z-index: 100;
    scrollbar-width: thin;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: var(--radius-full);
}

/* Ensure config panels inside sidebar always show full content */
.sidebar .config-panel {
    flex-shrink: 0;      /* Never shrink — sidebar scrolls instead */
    overflow: visible;   /* Never clip content */
}

.sidebar .config-panel .panel-body {
    overflow: visible;   /* Ensure all form fields are fully visible */
}

.app.sidebar-collapsed .sidebar {
    transform: translateX(-404px);
    opacity: 0;
    pointer-events: none;
    width: 0;
    margin-right: -380px;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
    min-width: 0; /* Prevent overflow */
}

/* ===== Header ===== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.header-main {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    font-family: inherit;
    line-height: 1;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(1);
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--border);
    border-color: var(--text-dim);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

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

.app:not(.sidebar-collapsed) #sidebarToggle {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-dim);
}

.sidebar-toggle-premium {
    position: relative;
    overflow: hidden;
    z-index: 1001;
}

.sidebar-toggle-premium::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, var(--primary-light), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-toggle-premium:hover::after {
    opacity: 0.1;
}

.btn-text {
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 500;
    padding: var(--space-1) var(--space-2);
    font-size: 0.85rem;
}

.btn-text:hover {
    text-decoration: underline;
    color: var(--primary-hover);
}

.logo {
    display: flex;
    align-items: center;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    margin: 0;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.version-badge {
    background: var(--primary);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    letter-spacing: 0.02em;
    line-height: 1;
}

/* ===== Config Panel ===== */
/* ===== Config Panel & Common Card Pattern ===== */
.config-panel, .pipeline, .activity-log, .console-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    flex-shrink: 1; /* Allow panels to shrink on narrow screens */
    min-width: 0;   /* Prevent flex items from overflowing */
}

.panel-header, .pipeline-title {
    padding: var(--space-2) var(--space-4);
    background: var(--header-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 48px;
    cursor: pointer;
    user-select: none;
}

.panel-header:hover {
    background: var(--bg-hover);
}

.collapse-icon {
    font-size: 0.6rem;
    transition: transform 0.3s ease;
    color: var(--text-dim);
}

.config-panel.collapsed .collapse-icon,
.activity-log.collapsed .collapse-icon,
.console-panel.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.config-panel.collapsed .panel-body,
.activity-log.collapsed .panel-body,
.console-panel.collapsed .panel-body {
    display: none;
}

.config-panel.collapsed {
    border-bottom: 1px solid var(--border);
}

.panel-header h2, .pipeline-title h2 {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--header-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-close-sidebar {
    background: var(--bg-hover);
    border: 1px solid var(--border);
    color: var(--text-muted);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-close-sidebar:hover {
    background: var(--error);
    color: white;
    border-color: var(--error);
}

.panel-body {
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition);
    appearance: none;
    -webkit-appearance: none;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select {
    height: 42px;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.5;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 14px;
    padding-right: 36px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-dim);
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 8px 12px;
    margin-bottom: 2px;
}

.checkbox-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

.checkbox-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    flex: 1;
    line-height: 1.2;
}



.checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* ===== Pipeline ===== */
.pipeline {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.pipeline-title {
    padding: 16px 24px;
    background: var(--header-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    transition: padding 0.3s ease;
}

@media (max-width: 600px) {
    .pipeline-title {
        padding: 12px 16px;
    }
}

.pipeline-title h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.progress-summary span {
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-input);
    padding: 4px 12px;
    border-radius: 20px;
}

/* ===== Compact Stats ===== */
.pipeline-stats-compact {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.stat-divider {
    color: var(--border);
    font-weight: normal;
}

.stat-item strong {
    color: var(--text);
    margin-right: 4px;
}

.stat-item span {
    color: var(--primary);
    font-weight: 700;
}

/* ===== Progress Bar ===== */
.progress-container {
    padding: 16px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.progress-bar-wrapper {
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    width: 0%;
    transition: width 0.3s ease;
}

.progress-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.pipeline-step {
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.pipeline-step:last-child {
    border-bottom: none;
}

.pipeline-step.active {
    background: var(--bg-hover);
}

.pipeline-step.active .step-number {
    background: var(--primary);
    color: white;
    animation: pulse 2s infinite;
}

.pipeline-step.completed {
    border-left: 3px solid var(--success);
}

.pipeline-step.completed .step-number {
    background: var(--success);
    color: white;
}

.pipeline-step.error {
    border-left: 3px solid var(--error);
    background: rgba(239, 68, 68, 0.05);
}

.pipeline-step.error .step-number {
    background: var(--error);
    color: white;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.step-header {
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
}

.step-header:hover {
    background: rgba(255, 255, 255, 0.02);
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-input);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.step-info {
    flex: 1;
}

.step-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.step-status {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.step-icon {
    color: var(--text-dim);
    flex-shrink: 0;
}

.step-header:hover .step-icon {
    color: var(--text-muted);
}

/* ===== Step Bodies ===== */
.step-body {
    padding: 0 24px 20px;
}

/* ===== Drop Zone ===== */
.drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-input);
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--primary);
    background: rgba(214, 79, 95, 0.1);
}

.drop-zone svg {
    margin-bottom: 16px;
}

.drop-text {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.browse-link {
    color: var(--primary-light);
    text-decoration: underline;
    cursor: pointer;
}

.drop-hint {
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* ===== File Info ===== */
.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: rgba(214, 79, 95, 0.1);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(214, 79, 95, 0.3);
}

/* ===== Common Log Component ===== */
.step-log {
    background: var(--log-bg);
    color: var(--log-text);
    padding: var(--space-4);
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    transition: var(--transition);
}

.log-entry {
    line-height: 1.5;
    word-break: break-all;
    animation: fadeIn 0.3s ease;
    padding: 2px 0;
}

.log-entry.success { color: var(--success); }
.log-entry.error { color: var(--error); font-weight: 600; }
.log-entry.info { color: var(--primary); }
.log-entry.debug { color: var(--text-dim); font-size: 0.8rem; }

.file-icon {
    font-size: 2rem;
}

.file-details {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.file-name {
    font-weight: 500;
    font-size: 0.95rem;
}

.file-size {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.btn-remove {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 1.1rem;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-remove:hover {
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

/* ===== Stats Cards ===== */
.conversion-stats {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

/* ===== Unified Stat Cards ===== */
.stat-card {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: var(--space-4);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    font-weight: 600;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

  /* ===== Activity Log (Consolidated) ===== */
.activity-log {
    margin-top: var(--space-4);
    width: 100%;
}

.log-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1px;
    background: var(--border);
    width: 100%;
}

.log-column {
    background: var(--bg-card);
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    min-height: 250px;
    max-height: 400px;
}

.log-column h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    margin-bottom: var(--space-3);
    font-weight: 700;
}

.activity-log .step-log {
    flex: 1;
    border-radius: var(--radius-sm);
    background: var(--log-bg);
    overflow-y: auto;
}

/* ===== Progress Bar ===== */
.describe-progress {
    margin-bottom: 16px;
}

.progress-bar {
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== Markdown Actions ===== */
.markdown-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}



.md-rendered img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    margin: 12px 0;
    box-shadow: var(--shadow);
}

.md-rendered h1, .md-rendered h2, .md-rendered h3, 
.md-rendered h4, .md-rendered h5, .md-rendered h6 {
    margin: 24px 0 12px;
    color: var(--primary);
    font-weight: 700;
    line-height: 1.25;
}

.md-rendered h1 { font-size: 1.75rem; border-bottom: 2px solid var(--primary-dim); padding-bottom: 4px; }
.md-rendered h2 { font-size: 1.5rem; border-bottom: 1px solid var(--border); padding-bottom: 4px; }
.md-rendered h3 { font-size: 1.25rem; }
.md-rendered h4 { font-size: 1.1rem; }
.md-rendered h5 { font-size: 1rem; }
.md-rendered h6 { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }

.md-rendered p {
    margin: 12px 0;
    line-height: 1.6;
    color: var(--text);
}

.md-rendered ul, .md-rendered ol {
    margin: 12px 0 12px 24px;
    color: var(--text);
}

.md-rendered li {
    margin-bottom: 4px;
}

.md-rendered strong {
    color: var(--text);
    font-weight: 600;
}

.md-rendered em {
    font-style: italic;
}

.md-rendered table {
    border-collapse: collapse;
    width: 100%;
    margin: 16px 0;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.md-rendered td, .md-rendered th {
    border: 1px solid var(--border);
    padding: 10px 14px;
    font-size: 0.9rem;
}

.md-rendered th {
    background: var(--bg-hover);
    font-weight: 700;
    text-align: left;
}

.md-rendered blockquote {
    border-left: 4px solid var(--primary-light);
    background: var(--primary-dim);
    padding: 12px 20px;
    margin: 16px 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-muted);
    font-style: italic;
}

.md-rendered code {
    background: var(--bg-hover);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: 'JetBrains Mono', monospace;
}

.md-rendered hr {
    border: none;
    border-top: 2px solid var(--border);
    margin: 24px 0;
}

/* Page Marker Styling */
.md-page-marker {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 40px 0 24px 0;
    padding: 16px 0;
    border-top: 1px dashed var(--text-dim);
    position: relative;
    user-select: none;
}

.md-page-marker-text {
    background: var(--bg-card);
    padding: 0 20px;
    color: var(--text-dim);
    font-size: 0.85rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
}

/* ===== Upload Summary ===== */
.upload-summary {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.upload-stat {
    flex: 1;
    padding: 16px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    text-align: center;
}

.upload-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--success);
}

.upload-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: 4px;
}

.upload-path {
    padding: 12px 16px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--success-light);
    word-break: break-all;
}

/* ===== Logs ===== */
.step-log {
    margin-top: 12px;
    padding: 12px 16px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    max-height: 200px;
    overflow-y: auto;
    font-size: 0.8rem;
    font-family: 'JetBrains Mono', monospace;
    line-height: 1.8;
    color: var(--text-dim);
    border: 1px solid var(--border);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Console Panel ===== */
.console-panel {
    background: var(--log-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-top: 24px;
    overflow: hidden;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.console-panel .panel-header {
    background: var(--header-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.panel-actions .btn-text {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 0.75rem;
    cursor: pointer;
}

.panel-actions .btn-text:hover {
    color: var(--text);
}

/* ===== Console Panel (Simplified) ===== */
.console-panel {
    margin-top: var(--space-4);
    width: 100%;
}

.console-body {
    padding: var(--space-3) var(--space-4);
    height: 180px;
    overflow-y: auto;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--log-text);
    background: var(--log-bg);
}

.console-entry {
    margin-bottom: 4px;
    padding-left: 12px;
    position: relative;
}

.console-entry::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--text-dim);
}

.console-entry.info { color: var(--primary); }
.console-entry.success { color: var(--success); }
.console-entry.error { color: var(--error); font-weight: 700; }
.console-entry.warn { color: var(--primary-light); }
.console-entry.debug { color: var(--text-muted); }



/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    z-index: 2000;
}

.toast {
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
    font-size: 0.9rem;
    font-weight: 500;
    min-width: 280px;
    max-width: 400px;
    animation: slideInRight 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--error); }
.toast.info { border-left-color: var(--primary); }

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ===== Loading Overlay (Subtle) ===== */
.loading-overlay {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: auto;
    height: auto;
    background: transparent;
    backdrop-filter: none;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    animation: fadeIn 0.4s ease;
    pointer-events: none;
}

.loading-spinner {
    background: var(--bg-card);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-3);
    pointer-events: auto;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.loading-spinner p {
    font-weight: 600;
    color: var(--text);
    font-size: 0.95rem;
    margin: 0;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
}

/* ===== Accessibility & Shortcuts ===== */
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

[title] {
    position: relative;
}

.md-preview-container.preview-minimized {
    flex: 0 0 44px !important;
    min-width: 44px !important;
    overflow: hidden;
}

.md-preview-container.preview-minimized .md-preview,
.md-preview-container.preview-minimized .toolbar-btn:not(.btn-toggle-preview) {
    display: none;
}

.md-preview-container.preview-minimized .md-preview-toolbar {
    flex-direction: column;
    height: 100%;
    border-bottom: none;
    align-items: center;
    padding: 0;
}

.preview-label-minimized {
    display: none;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    white-space: nowrap;
    padding: 12px 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    order: 2;
}

.preview-minimized .preview-label-minimized {
    display: block;
}

.btn-toggle-preview {
    margin-left: auto;
    border-left: 1px solid var(--border);
    order: 3;
}

.preview-minimized .btn-toggle-preview {
    margin-left: 0;
    border-left: none;
    border-bottom: 1px solid var(--border);
    margin-top: 0;
    order: 1;
    width: 100%;
}

/* ===== Unified Results Layout ===== */
.compare-view {
    margin: 16px 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    width: 100%;
}

.compare-layout {
    display: flex;
    flex-direction: row; /* Desktop default */
    gap: 0;
    min-height: 500px;
    align-items: stretch;
}

@media (max-width: 1200px) {
    .compare-layout {
        flex-direction: column;
    }
}

.compare-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex: 1;
    transition: flex 0.4s cubic-bezier(0.4, 0, 0.2, 1), min-width 0.4s;
    min-width: 0;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
}

.compare-panel:last-child {
    border-right: none;
}

.compare-panel.panel-minimized {
    flex: 0 0 44px;
    min-width: 44px;
    cursor: pointer;
    border-right: 1px solid var(--border);
}

.compare-panel.panel-minimized .compare-panel-content,
.compare-panel.panel-minimized .compare-panel-toolbar {
    display: none;
}

.compare-panel-label {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    min-height: 44px;
}

.compare-panel-toolbar {
    display: flex;
    gap: 0;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-left: auto;
}

.compare-panel-toolbar .toolbar-btn {
    padding: 4px 10px;
    font-size: 0.75rem;
    height: 28px;
    border-radius: 0;
    border: none;
    border-right: 1px solid var(--border);
    background: none;
    color: var(--text-dim);
    cursor: pointer;
    transition: var(--transition);
}

.toolbar-btn:hover {
    color: var(--text);
    background: rgba(255,255,255,0.03);
}

.toolbar-btn.active {
    color: var(--primary-light);
    background: rgba(214, 79, 95, 0.1);
}

.toolbar-btn.mathjax-toggle {
    font-size: 1rem;
    font-weight: bold;
    padding: 4px 8px;
    min-width: 32px;
}

.toolbar-btn.mathjax-toggle.active {
    color: var(--accent);
    background: rgba(79, 214, 162, 0.15);
}

.panel-toggle-icon {
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-left: auto;
}

.compare-panel-toolbar + .panel-toggle-icon {
    margin-left: 12px;
}

/* ===== Responsive ===== */
/* ===== Responsive Improvements ===== */
@media (max-width: 1024px) {
    .dashboard-grid,
    .app.sidebar-collapsed .dashboard-grid {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100dvh;
        width: 100%;
        max-width: 350px;
        background: var(--bg-card); /* Use card background for overlay */
        padding: var(--space-5);
        padding-bottom: 80px;
        box-shadow: 20px 0 50px rgba(0,0,0,0.3);
        z-index: 2100; /* Above backdrop */
        transform: translateX(-100%);
        opacity: 1;
        margin-right: 0;
        overflow-y: auto;
        overscroll-behavior: contain;
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .app:not(.sidebar-collapsed) .sidebar {
        transform: translateX(0);
        pointer-events: auto;
    }

    .app.sidebar-collapsed .sidebar {
        transform: translateX(-100%);
        pointer-events: none;
        width: 100% !important; /* Override desktop width: 0 */
        max-width: 350px;
        margin-right: 0 !important; /* Override desktop negative margin */
        opacity: 0; /* Hidden off-screen, but explicit */
    }

    /* Sidebar Backdrop */
    .sidebar-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.4);
        backdrop-filter: blur(4px);
        z-index: 2050;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.4s ease;
    }

    .app:not(.sidebar-collapsed) .sidebar-backdrop {
        opacity: 1;
        pointer-events: auto;
    }

    .btn-close-sidebar {
        display: flex;
    }

    .main-content {
        width: 100%;
        min-width: 0;
        flex: none; /* Don't use flex:1 in column layout without fixed height — causes height collapse */
        display: flex;
        flex-direction: column;
        gap: 24px;
        min-height: 0; /* Ensure content is never hidden */
    }

    .pipeline {
        overflow: visible; /* Override overflow:hidden to prevent content clipping on mobile */
        flex-shrink: 0; /* Never shrink the pipeline section */
    }

    .activity-log,
    .console-panel {
        flex-shrink: 0; /* Never shrink these sections */
    }

    .pipeline-stats {
        flex-wrap: wrap;
        padding: 12px 16px;
    }

    .stat-card {
        min-width: 120px;
        padding: 10px;
    }
}

@media (max-width: 480px) {
    .sidebar {
        max-width: 100%;
    }
    .app:not(.sidebar-collapsed) .sidebar {
        width: 100%;
    }
    
    .app {
        padding: 12px;
        gap: 16px;
    }
    
    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 12px 0;
    }

    .header-main {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .logo img {
        height: 32px !important;
    }

    .subtitle {
        font-size: 0.85rem;
        width: 100%;
        margin-top: 4px;
    }
    
    .step-header {
        padding: 12px 16px;
    }
    
    .step-body {
        padding: 0 16px 16px;
    }
    
    .drop-zone {
        padding: 24px 16px;
    }
    
    .pipeline-stats {
        gap: 8px;
        padding: 12px;
    }
    
    .stat-card {
        padding: 8px;
        min-width: calc(50% - 4px);
    }

    .stat-value {
        font-size: 1rem;
    }

    .pipeline-title h2 {
        font-size: 1rem;
    }

    .progress-summary span {
        font-size: 0.75rem;
        padding: 2px 8px;
    }
}

/* ===== Image Editor ===== */
.editor-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.98);
    display: flex;
    flex-direction: column;
    z-index: 99999;
    animation: fadeIn 0.2s ease;
}

/* Prominent close button always visible */
.editor-close-x {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.3);
    background: rgba(239, 68, 68, 0.9);
    color: white;
    font-size: 1.4rem;
    font-weight: bold;
    cursor: pointer;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.editor-close-x:active {
    background: #dc2626;
    transform: scale(0.95);
}

.editor-toolbar {
    padding: 8px 12px;
    padding-right: 60px; /* space for close button */
    background: #1e293b;
    border-bottom: 1px solid #334155;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: #475569 #1e293b;
}

.editor-toolbar::-webkit-scrollbar {
    height: 6px;
}

.editor-toolbar::-webkit-scrollbar-track {
    background: #1e293b;
}

.editor-toolbar::-webkit-scrollbar-thumb {
    background: #475569;
    border-radius: 3px;
}

.editor-toolbar-scroll {
    display: flex;
    gap: 6px;
    align-items: center;
    min-width: max-content;
}

.tool-btn {
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid #475569;
    background: #334155;
    color: #e2e8f0;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: all 0.15s;
    white-space: nowrap;
    min-width: 40px;
    height: 40px;
}

.tool-btn:hover {
    background: #475569;
    border-color: #64748B;
}

.tool-btn.active {
    background: #4f46e5;
    border-color: #6366f1;
}

.tool-primary {
    background: #10b981;
    border-color: #059669;
    color: white;
}

.tool-primary:active {
    background: #059669;
}

.tool-danger {
    background: #ef4444;
    border-color: #dc2626;
    color: white;
}

.tool-danger:active {
    background: #dc2626;
}

.tool-cancel {
    background: transparent;
    border: 1px solid #475569;
    color: #94a3b8;
}

.tool-cancel:active {
    background: #374151;
    color: #e2e8f0;
}

.editor-size-val {
    color: #94a3b8;
    font-size: 0.8rem;
    min-width: 18px;
    text-align: center;
}

.editor-canvas-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: auto;
    padding: 12px;
    padding-top: 8px;
    background: #0f172a;
    position: relative;
}

.editor-canvas-container canvas {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    max-width: 100%;
    max-height: calc(100vh - 70px);
    cursor: crosshair;
}

.editor-label {
    color: #94a3b8;
    font-size: 0.8rem;
    margin-left: 4px;
}

#brushColor {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    padding: 0;
}

#brushSize {
    width: 80px;
    cursor: pointer;
}

#brushSizeVal {
    color: #94a3b8;
    font-size: 0.8rem;
    min-width: 20px;
}

.crop-action-bar {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 100;
    background: rgba(15, 23, 42, 0.9);
    padding: 8px 16px;
    border-radius: 10px;
    border: 1px solid #334155;
}

.crop-btn {
    padding: 8px 18px;
    border-radius: 8px;
    border: none;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

.crop-btn-apply {
    background: #10b981;
    color: white;
}

.crop-btn-apply:active {
    background: #059669;
}

.crop-btn-cancel {
    background: #ef4444;
    color: white;
}

.crop-btn-cancel:active {
    background: #dc2626;
}

/* ===== PDF Preview ===== */
.pdf-preview {
    margin-top: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.pdf-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-hover);
    border-bottom: 1px solid var(--border);
}

.pdf-preview-header h4 {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text);
}

.pdf-preview-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--bg);
    padding: 2px 10px;
    border-radius: var(--radius-full);
}

.pdf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 12px;
    padding: 16px;
    max-height: 360px;
    overflow-y: auto;
}

.pdf-thumb {
    position: relative;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
    aspect-ratio: 3/4;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdf-thumb:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(214, 79, 95, 0.15);
    transform: translateY(-2px);
}

.pdf-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
}

.pdf-thumb-page {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: rgba(30, 41, 59, 0.85);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    pointer-events: none;
}

.pdf-preview-more {
    text-align: center;
    padding: 10px;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-style: italic;
    border-top: 1px solid var(--border);
}

/* ===== Comparison View ===== */
.compare-view {
    margin: 16px 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.compare-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-hover);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 12px;
}

.compare-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.compare-page-info {
    font-weight: 600;
    color: var(--text);
    font-size: 0.95rem;
    min-width: 140px;
    text-align: center;
}

.compare-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.compare-zoom-level {
    font-size: 0.85rem;
    color: var(--text-muted);
    min-width: 40px;
    text-align: center;
}

.compare-layout {
    display: flex; /* Changed from grid to flex for better minimize support */
    gap: 0;
    min-height: 400px;
    align-items: stretch;
}

.compare-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    max-height: 80vh;
    flex: 1;
    transition: flex 0.4s cubic-bezier(0.4, 0, 0.2, 1), min-width 0.4s;
    min-width: 0;
    background: var(--bg-card);
}

.compare-panel.panel-minimized {
    flex: 0 0 44px;
    min-width: 44px;
    cursor: pointer;
}

.compare-panel.panel-minimized:hover {
    background: var(--bg-hover);
}

.compare-panel.panel-minimized .compare-panel-content,
.compare-panel.panel-minimized .compare-badge {
    display: none;
}

.compare-panel.panel-minimized .compare-panel-label {
    padding: 12px 0;
    justify-content: center;
    border-bottom: none;
    height: 100%;
}

.compare-panel.panel-minimized .compare-panel-label span:first-child {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    white-space: nowrap;
    margin-bottom: 12px;
}

.panel-toggle-icon {
    font-size: 0.7rem;
    color: var(--text-dim);
    transition: transform 0.3s;
}

.compare-panel-original {
    border-right: 1px solid var(--border);
}

.compare-panel-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
}

.compare-badge {
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    margin-left: auto;
}

.compare-panel-content {
    flex: 1;
    padding: 12px;
    overflow: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    background: var(--bg);
}

.md-preview {
    width: 100%;
    height: 100%;
    display: flex; /* Restored for split view */
    min-height: 400px;
}

.md-source, .md-rendered {
    height: 100%;
    min-height: 400px;
}

.compare-panel-content img {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    cursor: zoom-in;
    transition: transform 0.2s ease;
}

.compare-panel-content .compare-empty {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: 40px 20px;
}

.compare-panel-content .compare-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-card);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary);
    width: 100%;
}



/* Comparison image card with editing */
.compare-image-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    padding: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}

.compare-image-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.compare-desc-textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--text);
    font-size: 0.85rem;
    font-family: inherit;
    resize: vertical;
    min-height: 120px; /* Increased by 3 lines approx */
}

.compare-desc-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(214, 79, 95, 0.1);
}

.compare-image-buttons {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.compare-image-buttons .btn {
    font-size: 0.8rem;
    padding: 4px 10px;
    height: auto;
}

/* Zoom modal for comparison images */
.compare-zoom-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.compare-zoom-overlay img {
    max-width: 98vw;
    max-height: 98vh;
    object-fit: contain;
    cursor: default;
}

/* PDF Zoom Navigation Bar */
.pdf-zoom-overlay {
    padding-top: 0 !important;
}

.pdf-zoom-nav {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--border);
    z-index: 2001;
}

.pdf-zoom-nav .btn {
    height: 32px;
    min-height: 32px;
    padding: 0 10px;
    font-size: 0.85rem;
}

.pdf-zoom-page-info {
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
}

.pdf-zoom-page-input {
    width: 60px;
    height: 32px;
    padding: 0 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--text);
    font-size: 0.9rem;
    text-align: center;
}

.pdf-zoom-page-input:focus {
    outline: none;
    border-color: var(--primary);
}

.pdf-zoom-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding-top: 52px;
}

.pdf-zoom-content img {
    max-width: 95vw;
    max-height: calc(95vh - 60px);
    object-fit: contain;
}

.compare-zoom-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background 0.2s;
    z-index: 2001;
}

.compare-zoom-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.compare-zoom-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Spinner animation for comparison view loading */
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Shortcuts Modal ===== */
.shortcuts-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 24px;
}

.shortcuts-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-width: 420px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

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

.shortcuts-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text);
}

.shortcuts-close {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.shortcuts-close:hover {
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

.shortcuts-body {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.shortcut-group h4 {
    margin: 0 0 8px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    font-weight: 700;
}

.shortcut-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 5px 0;
    font-size: 0.9rem;
    color: var(--text);
}

.shortcut-row kbd {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 3px 8px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    color: var(--text);
    min-width: 28px;
    text-align: center;
    box-shadow: 0 1px 0 var(--border);
}

.shortcut-row span {
    color: var(--text-muted);
}