/* CEPHALOMETRIC TRACER - STYLES */
:root {
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --secondary: #764ba2;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-canvas: #1e293b;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --header-height: 60px;
    --toolbar-height: 56px;
    --panel-width: 280px;
    --font-family: 'Inter', sans-serif;
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-canvas: #0a0f1a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    max-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
.header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    height: 100%;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
}

.logo-icon {
    width: 36px;
    height: 36px;
}

.logo-text {
    font-size: 1.1rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.header-title i {
    color: var(--primary);
}

.header-actions {
    display: flex;
    gap: var(--space-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

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

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

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

.btn-large {
    padding: var(--space-md) 1.5rem;
    font-size: 1rem;
}

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

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

/* Toolbar */
.toolbar {
    height: var(--toolbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    overflow-x: auto;
}

.toolbar-section {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--bg-tertiary);
    padding: 0.25rem;
    border-radius: var(--radius-md);
}

.zoom-level {
    min-width: 50px;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Calibration Status */
.calibration-status {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.calibration-status.calibrated {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.calibration-status i {
    font-size: 0.7rem;
}

/* Calibration Modal */
.calibration-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.calibration-step {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--border-color);
}

.calibration-step.active {
    border-left-color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

.calibration-step.completed {
    border-left-color: var(--success);
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.calibration-step.active .step-number {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

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

.step-content h4 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.step-content p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.calibration-input {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.calibration-input input {
    width: 120px;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

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

.input-unit {
    font-weight: 600;
    color: var(--text-secondary);
}

.calibration-points {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.calibration-point {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
}

.calibration-point i {
    color: var(--text-muted);
}

.calibration-point.set i {
    color: var(--success);
}

.calibration-result {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-md);
    border: 1px solid var(--success);
    opacity: 0.5;
}

.calibration-result.ready {
    opacity: 1;
}

.result-icon {
    font-size: 1.5rem;
    color: var(--success);
}

.result-text {
    display: flex;
    flex-direction: column;
}

.result-text strong {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.result-text span {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--success);
}

.calibration-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.calibration-tips {
    padding: var(--space-md);
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--warning);
}

.calibration-tips h4 {
    font-size: 0.85rem;
    color: var(--warning);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.calibration-tips ul {
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding-left: var(--space-lg);
    margin: 0;
}

.calibration-tips li {
    margin-bottom: 0.25rem;
}

/* Calibration line on canvas */
.calibration-line {
    stroke: #f39c12;
    stroke-width: 2;
    stroke-dasharray: 5, 5;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
    height: calc(100vh - var(--header-height));
}

.workspace {
    flex: 1;
    display: flex;
    overflow: hidden;
    min-height: 0;
    height: calc(100vh - var(--header-height) - var(--toolbar-height));
}

/* Panels */
.panel {
    width: var(--panel-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
    height: 100%;
    max-height: 100%;
}

.analysis-panel {
    border-right: none;
    border-left: 1px solid var(--border-color);
}

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

.panel-header h2 {
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.panel-header h2 i {
    color: var(--primary);
}

.points-count {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem var(--space-sm);
    background: var(--primary);
    color: white;
    border-radius: 9999px;
}

.panel-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-md);
    min-height: 0;
}

/* Canvas Container */
.canvas-container {
    flex: 1;
    position: relative;
    background: var(--bg-canvas, var(--bg-tertiary));
    overflow: auto;
    min-width: 0;
    min-height: 400px;
    padding: 20px;
    text-align: center;
}

.canvas-wrapper {
    position: relative;
    transform-origin: top left;
    display: inline-block;
}

#mainCanvas,
#overlayCanvas {
    display: block;
    max-width: none;
}

#overlayCanvas {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 10;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-muted);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
}

.empty-state-icon i {
    font-size: 2rem;
    color: white;
}

.empty-state h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.empty-state p {
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
}

/* Point Tooltip */
.point-tooltip {
    position: absolute;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.8rem;
    box-shadow: var(--shadow-lg);
    pointer-events: none;
    z-index: 1000;
    display: none;
}

/* Patient Information */
.patient-info-section {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.patient-info-section h3 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.patient-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.form-group label {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    white-space: nowrap;
}

.form-group input {
    width: 100%;
    padding: 0.4rem 0.5rem;
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.15s ease;
    box-sizing: border-box;
}

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

.form-group input::placeholder {
    color: var(--text-muted);
    font-size: 0.7rem;
}

.form-group input[type="date"] {
    font-family: inherit;
}

/* Points */
.points-category {
    margin-bottom: var(--space-lg);
}

.points-category h3 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.points-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.point-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
}

.point-item:hover {
    background: var(--bg-primary);
    border-color: var(--primary);
}

.point-item.active {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--primary);
}

.point-item.placed {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
}

.point-marker {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: white;
}

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

.point-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.point-description {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.point-status {
    width: 20px;
    color: var(--text-muted);
}

.point-item.placed .point-status {
    color: var(--success);
}

/* Analysis */
.analysis-section {
    margin-bottom: var(--space-lg);
}

.analysis-section h3 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.lines-toggles {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.line-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: 0.375rem;
    cursor: pointer;
}

.line-toggle input {
    accent-color: var(--primary);
}

.line-color {
    width: 16px;
    height: 3px;
    border-radius: 2px;
}

.line-name {
    font-size: 0.8rem;
}

.line-toggle.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

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

.measurement-placeholder {
    text-align: center;
    padding: var(--space-lg);
    color: var(--text-muted);
    font-size: 0.8rem;
}

.measurement-placeholder i {
    display: block;
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    opacity: 0.5;
}

.measurement-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: 0.375rem;
    border-left: 3px solid var(--border-color);
}

.measurement-item.normal {
    border-left-color: var(--success);
}

.measurement-item.increased {
    border-left-color: var(--warning);
}

.measurement-item.decreased {
    border-left-color: var(--info);
}

.measurement-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.measurement-value {
    font-size: 0.9rem;
    font-weight: 700;
}

.measurement-norm {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.diagnosis {
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.diagnosis-placeholder {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.diagnosis-placeholder i {
    display: block;
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    opacity: 0.5;
}

/* Analysis Tabs */
.analysis-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    padding: 0.4rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 500;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.tab-btn:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

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

.tab-btn i {
    font-size: 0.65rem;
}

.tab-content {
    display: none;
}

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

/* Analysis Headers */
.analysis-header {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.analysis-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.analysis-header .analysis-author {
    font-size: 0.7rem;
    opacity: 0.8;
}

.analysis-header.steiner {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.15), rgba(52, 152, 219, 0.05));
    border-left: 3px solid #3498db;
    color: #3498db;
}

.analysis-header.tweed {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.15), rgba(231, 76, 60, 0.05));
    border-left: 3px solid #e74c3c;
    color: #e74c3c;
}

.analysis-header.ricketts {
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.15), rgba(155, 89, 182, 0.05));
    border-left: 3px solid #9b59b6;
    color: #9b59b6;
}

.analysis-header.wits {
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.15), rgba(243, 156, 18, 0.05));
    border-left: 3px solid #f39c12;
    color: #f39c12;
}

/* Tweed Triangle */
.tweed-triangle {
    margin-bottom: var(--space-md);
}

.triangle-visual {
    display: flex;
    justify-content: center;
    padding: var(--space-sm);
}

.triangle-svg {
    width: 120px;
    height: 100px;
}

.triangle-label {
    font-size: 10px;
    fill: var(--text-primary);
    font-weight: 600;
}

/* Ricketts Fields */
.ricketts-field {
    margin-bottom: var(--space-md);
}

.field-title {
    font-size: 0.8rem;
    font-weight: 600;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.field-title.dental {
    background: rgba(46, 204, 113, 0.15);
    color: #2ecc71;
}

.field-title.skeletal {
    background: rgba(52, 152, 219, 0.15);
    color: #3498db;
}

.field-title.esthetic {
    background: rgba(232, 67, 147, 0.15);
    color: #e84393;
}

.field-title.craniofacial {
    background: rgba(231, 76, 60, 0.15);
    color: #e74c3c;
}

/* Wits Appraisal */
.wits-info {
    margin-bottom: var(--space-md);
}

.wits-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.wits-description i {
    color: var(--info);
    margin-top: 2px;
}

.wits-result {
    text-align: center;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.wits-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.wits-value .label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.wits-value .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.wits-value .unit {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.wits-norms {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.norm-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.wits-notes {
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-top: var(--space-md);
}

.wits-notes h4 {
    font-size: 0.8rem;
    color: var(--warning);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.wits-notes ul {
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding-left: var(--space-lg);
    margin: 0;
}

.wits-notes li {
    margin-bottom: 0.25rem;
}

/* Additional Analysis Headers */
.analysis-header.downs {
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.15), rgba(142, 68, 173, 0.1));
    border-left: 4px solid #9b59b6;
}

.analysis-header.mcnamara {
    background: linear-gradient(135deg, rgba(230, 126, 34, 0.15), rgba(211, 84, 0, 0.1));
    border-left: 4px solid #e67e22;
}

.analysis-header.jarabak {
    background: linear-gradient(135deg, rgba(26, 188, 156, 0.15), rgba(22, 160, 133, 0.1));
    border-left: 4px solid #1abc9c;
}

.analysis-header.bjork {
    background: linear-gradient(135deg, rgba(52, 73, 94, 0.15), rgba(44, 62, 80, 0.1));
    border-left: 4px solid #34495e;
}

.analysis-description {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
    margin: var(--space-sm) 0 var(--space-md) 0;
    padding: 0 var(--space-sm);
}

/* Jarabak Ratio Display */
.jarabak-ratio {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    text-align: center;
}

.ratio-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

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

.ratio-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1abc9c;
}

.ratio-interpretation {
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    background: rgba(26, 188, 156, 0.1);
}

.interpretation-text {
    font-size: 0.8rem;
    color: #1abc9c;
    font-weight: 500;
}

/* Björk Sum Display */
.bjork-sum {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    text-align: center;
}

.sum-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

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

.sum-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #34495e;
}

.sum-norm {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Diagnosis Items */
.diagnosis-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.diagnosis-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
    flex-shrink: 0;
}

.diagnosis-icon.class-i {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
}

.diagnosis-icon.class-ii {
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.diagnosis-icon.class-iii {
    background: linear-gradient(135deg, #3498db, #2980b9);
}

.diagnosis-text {
    font-size: 0.85rem;
    line-height: 1.4;
}

.diagnosis-text strong {
    color: var(--text-primary);
}

/* Filters Modal */
.modal-small .modal-content {
    max-width: 400px;
}

.filters-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.filter-control {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.filter-control.filter-toggle {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-top: 1px solid var(--border-color);
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.filter-header label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.filter-header label i {
    color: var(--primary);
    width: 16px;
}

.filter-value {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    min-width: 45px;
    text-align: right;
}

.filter-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-tertiary);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.filter-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: transform 0.15s ease;
}

.filter-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.filter-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    width: 48px;
    height: 24px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-tertiary);
    transition: 0.3s;
    border-radius: 24px;
    border: 1px solid var(--border-color);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked+.toggle-slider {
    background-color: var(--primary);
    border-color: var(--primary);
}

.toggle-switch input:checked+.toggle-slider:before {
    transform: translateX(24px);
}

.filters-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    justify-content: flex-end;
}

/* Annotation Modal */
.annotation-input-section {
    margin-bottom: var(--space-lg);
}

.annotation-input-section label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.annotation-input-section label i {
    color: var(--primary);
}

.annotation-input-section textarea {
    width: 100%;
    padding: var(--space-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
    box-sizing: border-box;
}

.annotation-input-section textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.annotation-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: var(--space-sm) 0;
}

.annotation-list-section {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.annotation-list-section h4 {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.annotation-list-section h4 i {
    color: var(--primary);
}

.annotation-list {
    max-height: 150px;
    overflow-y: auto;
}

.no-annotations {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
}

.annotation-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.annotation-item-content {
    flex: 1;
    font-size: 0.8rem;
    color: var(--text-primary);
    word-break: break-word;
}

.annotation-item-number {
    width: 20px;
    height: 20px;
    background: var(--warning);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
    flex-shrink: 0;
}

.annotation-item-delete {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: 2px;
    font-size: 0.8rem;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.annotation-item-delete:hover {
    opacity: 1;
}

.annotation-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    justify-content: space-between;
}

/* Annotation marker on canvas */
.annotation-mode-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    z-index: 1000;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.8;
    }

    50% {
        opacity: 1;
    }
}

/* VTO Modal Styles */
.modal-large .modal-content {
    max-width: 700px;
}

.vto-header {
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.2), rgba(142, 68, 173, 0.1));
    border-bottom: 3px solid #9b59b6;
}

.vto-header h2 {
    color: #9b59b6;
}

.vto-container {
    max-height: 60vh;
    overflow-y: auto;
    padding-right: var(--space-sm);
}

.vto-section {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

.vto-section h4 {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.vto-section h4 i {
    color: #9b59b6;
}

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

.vto-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.vto-field label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.vto-field input,
.vto-field select {
    padding: var(--space-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.85rem;
}

.vto-slider-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.vto-slider {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-sm);
    align-items: center;
}

.vto-slider label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    grid-column: 1 / -1;
}

.vto-slider label i {
    color: #9b59b6;
    width: 16px;
}

.vto-slider input[type="range"] {
    flex: 1;
}

.vto-value {
    min-width: 50px;
    text-align: right;
    font-size: 0.8rem;
    font-weight: 600;
    color: #9b59b6;
}

.vto-info {
    background: rgba(155, 89, 182, 0.1);
    border-left: 3px solid #9b59b6;
    padding: var(--space-sm) var(--space-md);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: var(--space-md);
}

.vto-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.vto-info p i {
    color: #9b59b6;
}

.vto-checkboxes {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.vto-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.vto-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #9b59b6;
}

.vto-display-options {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.vto-color-option {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.vto-color-option label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.vto-color-option input[type="color"] {
    width: 50px;
    height: 30px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.vto-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.btn-accent {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
    color: white;
    border: none;
}

.btn-accent:hover {
    background: linear-gradient(135deg, #8e44ad, #7d3c98);
    transform: translateY(-1px);
}

.btn-accent:disabled {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

/* Templates Modal */
.templates-header {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.15), rgba(192, 57, 43, 0.1));
    border-bottom: 3px solid #e74c3c;
}

.templates-header h2 {
    color: #e74c3c;
}

.templates-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.templates-info i {
    color: var(--primary);
}

.templates-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.template-card {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.template-card.active {
    border-color: var(--success);
    background: rgba(46, 204, 113, 0.1);
}

.template-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-sm);
    font-size: 1.3rem;
}

.template-icon.bolton {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}

.template-icon.bjork {
    background: linear-gradient(135deg, #1abc9c, #16a085);
    color: white;
}

.template-icon.ricketts {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
    color: white;
}

.template-icon.steiner {
    background: linear-gradient(135deg, #e67e22, #d35400);
    color: white;
}

.template-card h4 {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.template-card p {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.template-actions {
    margin-top: var(--space-sm);
}

.btn-small {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
}

.template-options {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
}

.template-options h4 {
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.template-options h4 i {
    color: var(--primary);
}

.template-option-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.template-option-row label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-width: 120px;
}

.template-option-row input[type="color"] {
    width: 40px;
    height: 25px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.template-option-row input[type="range"] {
    flex: 1;
}

.template-option-row span {
    font-size: 0.8rem;
    color: var(--text-primary);
    min-width: 40px;
}

.template-actions-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
}

/* Compare Modal */
.modal-medium .modal-content {
    max-width: 500px;
}

.compare-section h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.compare-section h4 i {
    color: var(--primary);
}

.compare-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.compare-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
    transition: all 0.2s ease;
    margin-bottom: var(--space-md);
}

.compare-upload-area:hover {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

.compare-upload-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    color: var(--text-secondary);
}

.compare-upload-btn i {
    font-size: 2rem;
    color: var(--primary);
}

.compare-upload-btn span {
    font-weight: 500;
}

.compare-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.compare-status.loaded {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.compare-status.loaded i {
    color: var(--success);
}

.compare-controls {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.compare-control {
    margin-bottom: var(--space-md);
}

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

.compare-control-header label {
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.compare-control-header label i {
    color: var(--primary);
}

.compare-value {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
}

.compare-modes {
    margin-top: var(--space-md);
}

.compare-mode-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    display: block;
}

.compare-mode-buttons {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.compare-mode-btn {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    color: var(--text-secondary);
}

.compare-mode-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.compare-mode-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.compare-slider-control {
    margin-top: var(--space-md);
}

.compare-slider-control label {
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.compare-slider-control label i {
    color: var(--primary);
}

.compare-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    justify-content: flex-end;
}

/* Compare indicator */
.compare-indicator {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Canvas - duplicate rules removed, see main canvas section above */

.empty-state {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    color: white;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
}

.empty-state.hidden {
    display: none;
}

.empty-state-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.empty-state h3 {
    font-size: 1.5rem;
}

.empty-state p {
    opacity: 0.7;
    max-width: 400px;
}

.point-tooltip {
    position: absolute;
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    box-shadow: var(--shadow-lg);
    pointer-events: none;
    opacity: 0;
    z-index: 50;
}

.point-tooltip.visible {
    opacity: 1;
}

/* Footer */
.footer {
    height: 60px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-content {
    text-align: center;
}

.footer-content p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.footer-content a {
    color: var(--primary);
    text-decoration: none;
}

.disclaimer {
    font-size: 0.7rem !important;
    color: var(--text-muted) !important;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    max-width: 600px;
    max-height: 80vh;
    width: 90%;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.25s ease;
}

.modal.active .modal-content {
    transform: scale(1);
}

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

.modal-header h2 {
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.modal-header h2 i {
    color: var(--primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
}

.modal-close:hover {
    background: var(--bg-primary);
    color: var(--danger);
}

.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    max-height: calc(80vh - 80px);
}

.help-section {
    margin-bottom: 1.5rem;
}

.help-section h3 {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.help-section h3 i {
    color: var(--primary);
}

.help-section p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.help-points-legend {
    margin-top: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
}

.norm-badge {
    padding: 0.25rem var(--space-md);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.norm-badge.normal {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.norm-badge.increased {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.norm-badge.decreased {
    background: rgba(59, 130, 246, 0.2);
    color: var(--info);
}

.shortcuts-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.shortcuts-list li {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.shortcuts-list kbd {
    display: inline-block;
    padding: 0.25rem var(--space-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-family: monospace;
    font-size: 0.8rem;
    margin-right: 0.25rem;
}

::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

@media (max-width: 900px) {
    .workspace {
        flex-direction: column;
    }

    .panel {
        width: 100%;
        max-height: 200px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .header-title {
        display: none;
    }
}

/* Help Modal Additional Styles */
.help-features {
    list-style: none;
    padding: 0;
    margin: var(--space-sm) 0 0 0;
}

.help-features li {
    padding: var(--space-xs) 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.help-features li::before {
    content: "✓";
    color: var(--success);
    font-weight: bold;
}

.help-features li strong {
    color: var(--text-primary);
}

.help-footer {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-top: var(--space-lg);
    border-left: 4px solid var(--primary);
}

.help-footer p {
    margin: var(--space-xs) 0;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.help-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.help-footer a:hover {
    text-decoration: underline;
}

/* AdSense Containers - Discrete styling */
.ad-container {
    margin: var(--space-md) 0;
    overflow: hidden;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.ad-container:hover {
    opacity: 1;
}

.ad-sidebar {
    margin-top: var(--space-lg);
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.ad-footer {
    max-width: 728px;
    margin: 0 auto var(--space-md);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.1);
}

/* Hide ads in print */
@media print {
    .ad-container {
        display: none !important;
    }
}

.ad-sidebar-right {
    margin-top: var(--space-md);
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    max-height: 150px;
    overflow: hidden;
}

/* Responsive ads */
@media (max-width: 768px) {

    .ad-sidebar,
    .ad-sidebar-right {
        display: none;
    }

    .ad-footer {
        max-width: 100%;
        margin: var(--space-sm) 0;
    }
}