/* ===== CSS Variables & Theme ===== */
:root {
    /* Colors - Deep teal & warm accents */
    --color-bg-primary: #0a0f14;
    --color-bg-secondary: #111820;
    --color-bg-tertiary: #1a2332;
    --color-bg-elevated: #1e2a3a;
    
    --color-accent-primary: #00d4aa;
    --color-accent-secondary: #00b894;
    --color-accent-glow: rgba(0, 212, 170, 0.15);
    
    --color-text-primary: #f0f4f8;
    --color-text-secondary: #8892a0;
    --color-text-muted: #5a6574;
    
    --color-yes: #10b981;
    --color-no: #ef4444;
    --color-na: #6366f1;
    --color-unclear: #f59e0b;
    
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    
    /* Typography */
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 30px var(--color-accent-glow);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== App Layout ===== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
    width: 260px;
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent-primary);
}

.logo svg {
    width: 28px;
    height: 28px;
}

.sidebar-nav {
    padding: var(--spacing-md);
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-xs);
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-item:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.nav-item.active {
    background: var(--color-accent-glow);
    color: var(--color-accent-primary);
}

.sidebar-stats {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent-primary);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: var(--spacing-xl);
    min-height: 100vh;
    background: 
        radial-gradient(ellipse at top right, rgba(0, 212, 170, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at bottom left, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
        var(--color-bg-primary);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.content-header {
    margin-bottom: var(--spacing-xl);
}

.content-header h1 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content-header p {
    color: var(--color-text-secondary);
}

.header-actions {
    margin-top: var(--spacing-md);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 40px var(--color-accent-glow);
}

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

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

/* ===== Upload Zone ===== */
.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--color-bg-secondary);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--color-accent-primary);
    background: var(--color-accent-glow);
}

.upload-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-accent-primary);
}

.upload-icon svg {
    width: 100%;
    height: 100%;
}

.upload-zone h3 {
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.upload-zone p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ===== Document Type Selector ===== */
.document-type-selector {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    border: 1px solid var(--color-border);
}

.document-type-selector h3 {
    margin-bottom: var(--spacing-md);
}

.type-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.type-option {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.type-option:hover {
    border-color: var(--color-border-hover);
}

.type-option.selected {
    border-color: var(--color-accent-primary);
    background: var(--color-accent-glow);
}

.type-option span {
    font-size: 0.875rem;
    font-weight: 500;
}

.type-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* ===== Bulk Upload UI ===== */
.pending-files-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 350px;
    overflow-y: auto;
    padding: var(--spacing-xs);
}

.pending-file-row {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: var(--color-bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.pending-file-row:hover {
    background: var(--color-bg-elevated);
}

.pending-file-row.type-selected {
    border-color: var(--color-accent-primary);
    background: var(--color-accent-glow);
}

.pending-file-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1 1 auto;
    min-width: 0;
}

.pending-file-info svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.pending-file-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #ffffff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.pending-file-size {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
    white-space: nowrap;
}

.pending-file-type {
    flex-shrink: 0;
}

.doc-type-select {
    padding: 8px 12px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    min-width: 160px;
}

.doc-type-select:hover {
    border-color: var(--color-border-hover);
}

.doc-type-select:focus {
    outline: none;
    border-color: var(--color-accent-primary);
}

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

.remove-pending-file:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-no);
}

.bulk-type-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.bulk-type-selector label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.bulk-type-selector select {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 0.875rem;
}

.btn-secondary {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-secondary:hover {
    background: var(--color-accent-glow);
    border-color: var(--color-accent-primary);
}

/* ===== Document List ===== */
.document-list {
    margin-top: var(--spacing-xl);
}

.document-list h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.doc-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-fast);
}

.doc-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.doc-icon {
    width: 48px;
    height: 48px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-primary);
    flex-shrink: 0;
}

.doc-icon svg {
    width: 24px;
    height: 24px;
}

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

.doc-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.doc-meta {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    display: flex;
    gap: var(--spacing-sm);
}

.doc-type-badge {
    background: var(--color-accent-glow);
    color: var(--color-accent-primary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.doc-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8125rem;
}

.doc-status.processing {
    color: var(--color-unclear);
}

.doc-status.ready {
    color: var(--color-yes);
}

.doc-status.error {
    color: var(--color-no);
}

.doc-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.doc-action-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.doc-action-btn:hover {
    background: var(--color-no);
    color: white;
}

.doc-action-btn svg {
    width: 16px;
    height: 16px;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-muted);
    grid-column: 1 / -1;
}

/* ===== Checklist ===== */
.progress-bar {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.progress-track {
    flex: 1;
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
    border-radius: 4px;
    transition: width var(--transition-normal);
    width: 0%;
}

.progress-text {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    min-width: 80px;
    text-align: right;
}

.checklist-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.checklist-section {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.section-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.section-header:hover {
    background: var(--color-bg-elevated);
}

.section-title {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-count {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

.section-toggle {
    color: var(--color-text-muted);
    transition: transform var(--transition-fast);
}

.section-toggle svg {
    width: 20px;
    height: 20px;
}

.section-header.collapsed .section-toggle {
    transform: rotate(-90deg);
}

.section-questions {
    padding: var(--spacing-sm);
}

.section-header.collapsed + .section-questions {
    display: none;
}

.question-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.question-row:hover {
    background: var(--color-bg-tertiary);
}

.question-id {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    min-width: 40px;
}

.question-text {
    flex: 1;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.question-answer {
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    min-width: 80px;
    text-align: center;
}

.question-answer.yes {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-yes);
}

.question-answer.no {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-no);
}

.question-answer.na {
    background: rgba(99, 102, 241, 0.15);
    color: var(--color-na);
}

.question-answer.unclear {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-unclear);
}

.question-answer.pending {
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
}

.question-confidence {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    min-width: 40px;
    text-align: right;
}

.question-flags {
    display: flex;
    gap: 4px;
}

.flag-icon {
    width: 18px;
    height: 18px;
    color: var(--color-unclear);
}

/* ===== Review Tab ===== */
.review-filters {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--color-border-hover);
}

.filter-btn.active {
    background: var(--color-accent-glow);
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
}

.review-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.review-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.review-card:hover {
    border-color: var(--color-border-hover);
    transform: translateX(4px);
}

.review-card.needs-review {
    border-left: 3px solid var(--color-unclear);
}

.review-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.review-id {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--color-accent-primary);
}

.review-answer {
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 500;
}

.review-question {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

.review-meta {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ===== Export Tab ===== */
.export-summary {
    margin-bottom: var(--spacing-xl);
}

.summary-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.summary-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.summary-item {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--color-bg-tertiary);
}

.summary-item .count {
    display: block;
    font-size: 2rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.summary-item .label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.summary-item.yes .count { color: var(--color-yes); }
.summary-item.no .count { color: var(--color-no); }
.summary-item.na .count { color: var(--color-na); }
.summary-item.unclear .count { color: var(--color-unclear); }

.confidence-meter {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.875rem;
}

.meter {
    flex: 1;
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.meter-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-unclear), var(--color-yes));
    border-radius: 4px;
    transition: width var(--transition-normal);
}

.export-form {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.export-form h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    transition: border-color var(--transition-fast);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.export-formats h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.format-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.format-card {
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.format-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-2px);
}

.format-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.format-icon svg {
    width: 28px;
    height: 28px;
}

.format-icon.excel {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-yes);
}

.format-icon.word {
    background: rgba(99, 102, 241, 0.15);
    color: var(--color-na);
}

.format-icon.json {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-unclear);
}

.format-card span {
    font-weight: 600;
    color: var(--color-text-primary);
}

.format-card small {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

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

.modal-header h2 {
    font-family: var(--font-mono);
    color: var(--color-accent-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-no);
    color: white;
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

.question-info {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.ep-ref, .section {
    padding: 4px 10px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.question-text {
    font-size: 1.0625rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.answer-section h3,
.evidence-section h4 {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.answer-options {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.answer-option {
    flex: 1;
    cursor: pointer;
}

.answer-option input {
    display: none;
}

.option-label {
    display: block;
    padding: var(--spacing-sm);
    text-align: center;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
    border: 2px solid var(--color-border);
}

.answer-option input:checked + .option-label {
    border-color: currentColor;
}

.option-label.yes { color: var(--color-yes); }
.option-label.no { color: var(--color-no); }
.option-label.na { color: var(--color-na); }
.option-label.unclear { color: var(--color-unclear); }

.answer-option input:checked + .option-label.yes { background: rgba(16, 185, 129, 0.15); }
.answer-option input:checked + .option-label.no { background: rgba(239, 68, 68, 0.15); }
.answer-option input:checked + .option-label.na { background: rgba(99, 102, 241, 0.15); }
.answer-option input:checked + .option-label.unclear { background: rgba(245, 158, 11, 0.15); }

.evidence-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.evidence-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.evidence-item {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.evidence-source {
    font-size: 0.8125rem;
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-xs);
}

.evidence-quote {
    font-style: italic;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.confidence-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    font-size: 0.875rem;
}

.confidence-bar {
    flex: 1;
    height: 6px;
    background: var(--color-bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: var(--color-accent-primary);
    border-radius: 3px;
    transition: width var(--transition-normal);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    cursor: pointer;
}

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

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-left: auto;
}

/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 2000;
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: toastIn 0.3s ease;
    max-width: 400px;
}

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

.toast.success { border-left: 3px solid var(--color-yes); }
.toast.error { border-left: 3px solid var(--color-no); }
.toast.warning { border-left: 3px solid var(--color-unclear); }

/* ===== V2 Enhanced Features ===== */

/* Criticality badges */
.criticality-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    font-size: 0.625rem;
    font-weight: 700;
    margin-left: 6px;
    vertical-align: middle;
}

.criticality-badge.high {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-no);
}

.criticality-badge.medium {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-unclear);
}

.criticality-badge.low {
    background: rgba(59, 130, 246, 0.2);
    color: var(--color-na);
}

/* Confidence colors */
.question-confidence.high {
    color: var(--color-yes);
}

.question-confidence.medium {
    color: var(--color-unclear);
}

.question-confidence.low {
    color: var(--color-no);
}

/* Question flags badges */
.evidence-count,
.issue-count {
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    margin-right: 4px;
}

.evidence-count {
    background: rgba(20, 184, 166, 0.15);
    color: var(--color-accent-primary);
}

.issue-count {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-unclear);
}

.review-flag {
    color: var(--color-unclear);
}

/* Enhanced evidence display */
.evidence-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    flex-wrap: wrap;
}

.evidence-number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.evidence-score {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-left: auto;
    background: var(--color-bg-secondary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

/* Missing evidence section */
.missing-evidence {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(245, 158, 11, 0.08);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-unclear);
}

.missing-evidence h4 {
    font-size: 0.875rem;
}

.missing-evidence ul {
    font-size: 0.875rem;
}

/* Issue flags section */
.issue-flags-section {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(239, 68, 68, 0.08);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-no);
}

.issue-flags-section h4 {
    font-size: 0.875rem;
}

.issue-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.issue-tag {
    font-size: 0.75rem;
    padding: 4px 10px;
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-no);
    border-radius: var(--radius-sm);
}

/* Answer extras container */
.answer-extras {
    margin-top: var(--spacing-md);
}

/* Section question count with criticality summary */
.section-stats {
    display: flex;
    gap: var(--spacing-sm);
    margin-left: auto;
    font-size: 0.75rem;
}

.stat-badge {
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.stat-badge.high {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-no);
}

.stat-badge.needs-review {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-unclear);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .sidebar {
        width: 220px;
    }
    
    .main-content {
        margin-left: 220px;
    }
    
    .format-grid {
        grid-template-columns: 1fr;
    }
    
    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: var(--spacing-md);
    }
    
    .doc-grid {
        grid-template-columns: 1fr;
    }
    
    .answer-options {
        flex-wrap: wrap;
    }
    
    .answer-option {
        flex: 0 0 calc(50% - var(--spacing-xs));
    }
}