/* ============================================================================
   Transaction Compliance Nexus - Dashboard Styles
   ============================================================================ */

:root {
    /* Color Palette */
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --bg-card: #161e2e;
    
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-purple: #8b5cf6;
    
    --status-accept: #10b981;
    --status-review: #f59e0b;
    --status-block: #ef4444;
    --status-pending: #6b7280;
    
    --border-color: #374151;
    --border-light: #4b5563;
    
    /* Gradients */
    --gradient-accept: linear-gradient(135deg, #10b981, #059669);
    --gradient-review: linear-gradient(135deg, #f59e0b, #d97706);
    --gradient-block: linear-gradient(135deg, #ef4444, #dc2626);
    --gradient-header: linear-gradient(90deg, #3b82f6, #8b5cf6);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
    --shadow-glow-accept: 0 0 20px rgba(16, 185, 129, 0.4);
    --shadow-glow-review: 0 0 20px rgba(245, 158, 11, 0.4);
    --shadow-glow-block: 0 0 20px rgba(239, 68, 68, 0.4);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ============================================================================
   Base Styles
   ============================================================================ */

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

/* ============================================================================
   Dashboard Layout
   ============================================================================ */

.dashboard {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    font-size: 2.5rem;
    background: var(--gradient-header);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 600;
    background: var(--gradient-header);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text .tagline {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.header-links {
    display: flex;
    gap: var(--spacing-md);
}

.header-link {
    color: var(--accent-cyan);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--accent-cyan);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.header-link:hover {
    background: rgba(6, 182, 212, 0.15);
}

.status-bar {
    display: flex;
    gap: var(--spacing-xl);
}

.status-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.status-value {
    font-size: 1rem;
    font-weight: 600;
}

.status-value.online {
    color: var(--status-accept);
}

.status-value.offline {
    color: var(--status-block);
}

/* ============================================================================
   Main Content Grid
   ============================================================================ */

.main-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    flex: 1;
    overflow: hidden;
}

.top-panel {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
}

.top-panel .panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.panel-header-left {
    display: flex;
    flex-direction: column;
}

.panel-header-left h2 {
    font-size: 1.125rem;
    font-weight: 600;
}

.help-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--accent-cyan);
    background: transparent;
    color: var(--accent-cyan);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.help-btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
}

/* Help Modal */
.help-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-xl);
}

.help-modal-overlay.active {
    display: flex;
}

.help-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    max-width: 900px;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

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

.help-modal-header h3 {
    font-size: 1.125rem;
    color: var(--accent-cyan);
    margin: 0;
}

.help-modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.help-modal-content {
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.top-panel .viz-explanation {
    display: none;
}

.top-panel .visualization-container {
    flex: 1;
    min-height: 380px;
    position: relative;
}

.top-panel #vectorVisualization {
    height: 100%;
    min-height: 350px;
}

.top-panel .viz-legend {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(17, 24, 39, 0.85);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    z-index: 50;
}

.top-panel .viz-controls {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 100;
}

.top-panel .perfect-vector-panel {
    position: absolute;
    bottom: 100px;
    right: 8px;
    z-index: 100;
    max-width: 300px;
}

.top-panel .viz-info {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(17, 24, 39, 0.85);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    z-index: 50;
}

.bottom-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

.panel {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.panel-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
}

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

/* ============================================================================
   Left Panel - Transaction Input
   ============================================================================ */

.left-panel {
    overflow-y: auto;
}

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

.section:last-child {
    border-bottom: none;
}

.section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.section-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

/* Scenario Buttons */
.scenario-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.scenario-btn {
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto auto;
    gap: var(--spacing-xs) var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: left;
}

.scenario-btn:hover {
    border-color: var(--accent-blue);
    transform: translateX(4px);
}

.scenario-btn.accept:hover {
    border-color: var(--status-accept);
    box-shadow: var(--shadow-glow-accept);
}

.scenario-btn.review:hover {
    border-color: var(--status-review);
    box-shadow: var(--shadow-glow-review);
}

.scenario-btn.block:hover {
    border-color: var(--status-block);
    box-shadow: var(--shadow-glow-block);
}

.scenario-icon {
    grid-row: span 2;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
}

.scenario-btn.accept .scenario-icon { color: var(--status-accept); }
.scenario-btn.review .scenario-icon { color: var(--status-review); }
.scenario-btn.block .scenario-icon { color: var(--status-block); }

.scenario-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.scenario-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.scenario-expect {
    grid-column: 3;
    grid-row: span 2;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.scenario-btn.accept .scenario-expect { color: var(--status-accept); }
.scenario-btn.review .scenario-expect { color: var(--status-review); }
.scenario-btn.block .scenario-expect { color: var(--status-block); }

/* Form Styles */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

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

.form-group input,
.form-group select {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color var(--transition-fast);
}

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

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

.submit-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--gradient-header);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

/* Transaction Log */
.transaction-log {
    max-height: 200px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.log-empty {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-align: center;
    padding: var(--spacing-lg);
}

.log-entry {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.813rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.log-entry:hover {
    background: var(--bg-card);
}

.log-decision {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.log-decision.accept { background: var(--status-accept); }
.log-decision.review { background: var(--status-review); }
.log-decision.block { background: var(--status-block); }

.log-id {
    font-family: monospace;
    color: var(--text-secondary);
}

.log-amount {
    flex: 1;
    text-align: right;
}

.log-ar {
    font-weight: 600;
    min-width: 50px;
    text-align: right;
}

/* ============================================================================
   Center Panel - 3D Visualization
   ============================================================================ */

.center-panel {
    min-height: 0;
}

/* Explanation Panel */
.viz-explanation {
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.explanation-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: background var(--transition-fast);
}

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

.explanation-icon {
    color: var(--accent-cyan);
    font-size: 1rem;
}

.toggle-icon {
    margin-left: auto;
    transition: transform var(--transition-normal);
}

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

.explanation-content {
    padding: var(--spacing-md);
    display: block;
    animation: slideDown 0.3s ease;
}

.explanation-content.hidden {
    display: none;
}

@keyframes slideDown {
    from { opacity: 0; max-height: 0; }
    to { opacity: 1; max-height: 1000px; }
}

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

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

.explanation-card .card-icon {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.explanation-card h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.explanation-card p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.explanation-card ul {
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding-left: var(--spacing-md);
    margin: var(--spacing-xs) 0;
}

.explanation-card li {
    margin-bottom: 2px;
}

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

.explanation-card em {
    color: var(--accent-cyan);
    font-style: normal;
}

.axis-mapping {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.axis-map {
    font-size: 0.7rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent-blue);
}

.axis-map strong {
    color: var(--accent-cyan);
}

.color-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 4px;
}

.color-dot.accept { background: var(--status-accept); }
.color-dot.review { background: var(--status-review); }
.color-dot.block { background: var(--status-block); }

.formula-box {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid var(--accent-blue);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
}

.formula-box strong {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.formula-box code {
    display: block;
    font-size: 1rem;
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--accent-cyan);
    background: var(--bg-tertiary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.formula-note {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-style: italic;
}

.visualization-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
    min-height: 0;
    position: relative;  /* For absolute positioning of controls */
}

#vectorVisualization {
    flex: 1;
    background: linear-gradient(135deg, #0a0e17 0%, #111827 50%, #1a1f2e 100%);
    border-radius: 0;
    min-height: 350px;
    position: relative;
}

#vectorVisualization canvas {
    width: 100% !important;
    height: 100% !important;
}

.viz-legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-dot.perfect { background: var(--accent-cyan); box-shadow: 0 0 8px var(--accent-cyan); }
.legend-dot.accept { background: var(--status-accept); }
.legend-dot.review { background: var(--status-review); }
.legend-dot.block { background: var(--status-block); }

.viz-info {
    display: flex;
    justify-content: space-around;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.axis-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.axis-label strong {
    color: var(--accent-cyan);
}

.axis-dims {
    font-size: 0.625rem;
    color: var(--text-muted);
    opacity: 0.7;
}

/* ============================================================================
   Right Panel - Compliance Analysis
   ============================================================================ */

.right-panel {
    overflow-y: auto;
}

/* Decision Display */
.decision-display {
    padding: var(--spacing-xl);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    min-height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.decision-waiting {
    color: var(--text-muted);
}

.waiting-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

.waiting-text {
    font-size: 0.875rem;
}

.decision-result {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.decision-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-xl);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-md);
}

.decision-badge.accept {
    background: var(--gradient-accept);
    box-shadow: var(--shadow-glow-accept);
}

.decision-badge.review {
    background: var(--gradient-review);
    box-shadow: var(--shadow-glow-review);
}

.decision-badge.block {
    background: var(--gradient-block);
    box-shadow: var(--shadow-glow-block);
}

.decision-score {
    font-size: 2rem;
    font-weight: 700;
}

.decision-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Compliance Steps */
.compliance-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.step {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.step-indicator {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all var(--transition-normal);
}

.step.pass .step-indicator {
    background: var(--status-accept);
    border-color: var(--status-accept);
}

.step.warn .step-indicator {
    background: var(--status-review);
    border-color: var(--status-review);
}

.step.fail .step-indicator {
    background: var(--status-block);
    border-color: var(--status-block);
}

.step.processing .step-indicator {
    border-color: var(--accent-blue);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.step-content {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.step-name {
    font-size: 0.875rem;
}

.step-status {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.step-status.pending { color: var(--text-muted); }
.step-status.pass { color: var(--status-accept); }
.step-status.warn { color: var(--status-review); }
.step-status.fail { color: var(--status-block); }

/* Vector Mathematics Display */
.vector-math {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.math-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.math-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.math-visual {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs);
    overflow: hidden;
}

.vector-bars {
    display: flex;
    gap: 1px;
    height: 24px;
    align-items: flex-end;
}

.vector-bars .placeholder-text {
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: var(--spacing-xs);
}

.vector-bar {
    flex: 1;
    min-width: 2px;
    background: linear-gradient(to top, var(--status-accept), var(--status-review), var(--status-block));
    border-radius: 1px 1px 0 0;
    transition: height var(--transition-normal);
}

.vector-bar.low { background: var(--status-accept); }
.vector-bar.medium { background: var(--status-review); }
.vector-bar.high { background: var(--status-block); }

/* Interactive vector bars */
.vector-bars.interactive .vector-bar {
    cursor: pointer;
    transition: transform 0.15s ease, filter 0.15s ease, height var(--transition-normal);
}

.vector-bars.interactive .vector-bar:hover {
    transform: scaleY(1.15) scaleX(1.3);
    filter: brightness(1.3);
    z-index: 10;
    position: relative;
}

.vector-bars.interactive .vector-bar.active {
    transform: scaleY(1.2) scaleX(1.5);
    filter: brightness(1.4);
    z-index: 20;
    box-shadow: 0 0 8px currentColor;
}

/* Interactive hint text */
.interactive-hint {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 0.5rem;
}

/* Expand button for vector details */
.expand-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.65rem;
    cursor: pointer;
    margin-left: auto;
    transition: all var(--transition-fast);
}

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

/* Vector details panel (expanded view) */
.vector-details-panel {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
    max-height: 300px;
    overflow-y: auto;
}

.vector-details-panel.hidden {
    display: none;
}

.vector-details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
}

.vector-detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.vector-detail-item:hover {
    background: rgba(6, 182, 212, 0.15);
}

.detail-index {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-family: monospace;
    min-width: 28px;
}

.detail-name {
    font-size: 0.7rem;
    color: var(--text-secondary);
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.detail-value {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    min-width: 45px;
    text-align: center;
}

.detail-value.low { background: rgba(16, 185, 129, 0.2); color: var(--status-accept); }
.detail-value.medium { background: rgba(245, 158, 11, 0.2); color: var(--status-review); }
.detail-value.high { background: rgba(239, 68, 68, 0.2); color: var(--status-block); }

/* Calculation breakdown section */
.calculation-breakdown {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-top: var(--spacing-sm);
}

.calc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(6, 182, 212, 0.1));
    transition: background var(--transition-fast);
}

.calc-header:hover {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(6, 182, 212, 0.2));
}

.calc-header span:first-child {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

.calc-toggle {
    font-size: 0.7rem;
    color: var(--accent-cyan);
    transition: transform var(--transition-fast);
}

.calc-toggle.open {
    transform: rotate(90deg);
}

.calc-content {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.calc-content.hidden {
    display: none;
}

.calc-formula {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.formula-title {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.calc-formula code {
    font-size: 0.85rem;
    color: var(--accent-cyan);
    font-family: 'JetBrains Mono', monospace;
}

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

.calc-step {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.calc-step.final {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.2));
    border: 1px solid var(--accent-cyan);
}

.calc-step.decision {
    background: var(--bg-primary);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

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

.step-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: monospace;
}

.step-calc {
    font-size: 0.75rem;
    color: var(--accent-cyan);
    font-family: monospace;
}

/* Dimension Tooltip */
.dimension-tooltip {
    position: fixed;
    z-index: 10000;
    background: var(--bg-primary);
    border: 1px solid var(--accent-cyan);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    min-width: 280px;
    max-width: 350px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(6, 182, 212, 0.3);
    pointer-events: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.dimension-tooltip.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.tooltip-header {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.tooltip-type {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 700;
}

.tooltip-type.cr {
    background: var(--accent-purple);
}

.tooltip-index {
    font-family: monospace;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.tooltip-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    text-transform: capitalize;
}

.tooltip-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.tooltip-values {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.tooltip-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.tooltip-row span:first-child {
    color: var(--text-secondary);
}

.tooltip-current {
    font-weight: 600;
    font-family: monospace;
}

.tooltip-perfect {
    color: var(--status-accept);
    font-family: monospace;
}

.tooltip-deviation {
    font-weight: 600;
    font-family: monospace;
}

.tooltip-deviation.positive {
    color: var(--status-block);
}

.tooltip-deviation.negative {
    color: var(--status-accept);
}

.tooltip-meter {
    background: var(--bg-tertiary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.meter-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.meter-bar {
    height: 8px;
    background: linear-gradient(to right, var(--status-accept), var(--status-review), var(--status-block));
    border-radius: 4px;
    position: relative;
}

.meter-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.meter-marker {
    position: absolute;
    top: -4px;
    width: 4px;
    height: 16px;
    background: white;
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    transition: left 0.3s ease;
}

.meter-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
    font-size: 0.6rem;
    color: var(--text-muted);
}

/* Decision badge in calculation breakdown */
.decision-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.decision-badge.accept {
    background: rgba(16, 185, 129, 0.2);
    color: var(--status-accept);
    border: 1px solid var(--status-accept);
}

.decision-badge.review {
    background: rgba(245, 158, 11, 0.2);
    color: var(--status-review);
    border: 1px solid var(--status-review);
}

.decision-badge.block {
    background: rgba(239, 68, 68, 0.2);
    color: var(--status-block);
    border: 1px solid var(--status-block);
}

.cosine-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.cosine-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.cosine-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cosine-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.cosine-angle {
    font-size: 0.75rem;
    color: var(--accent-cyan);
    font-family: monospace;
}

/* Risk Metrics */
.risk-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.metric {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
}

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

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

.metric-fill {
    height: 100%;
    border-radius: 4px;
    transition: width var(--transition-slow);
    background: linear-gradient(90deg, var(--status-accept), var(--status-review), var(--status-block));
}

.metric-bar.inverted .metric-fill {
    background: linear-gradient(90deg, var(--status-block), var(--status-review), var(--status-accept));
}

.metric-value {
    font-size: 0.875rem;
    font-weight: 600;
    min-width: 60px;
    text-align: right;
}

/* Risk Factors */
.risk-factors {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.factors-empty {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-align: center;
    padding: var(--spacing-md);
}

.factor-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.813rem;
}

.factor-type {
    font-size: 0.625rem;
    padding: 2px 6px;
    border-radius: 3px;
    text-transform: uppercase;
    font-weight: 600;
}

.factor-type.ir {
    background: rgba(139, 92, 246, 0.2);
    color: var(--accent-purple);
}

.factor-type.cr {
    background: rgba(6, 182, 212, 0.2);
    color: var(--accent-cyan);
}

.factor-name {
    flex: 1;
    color: var(--text-secondary);
}

.factor-score {
    font-weight: 600;
}

.factor-score.high { color: var(--status-block); }
.factor-score.medium { color: var(--status-review); }
.factor-score.low { color: var(--status-accept); }

/* ============================================================================
   Footer
   ============================================================================ */

.footer {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================================================
   Loading Overlay
   ============================================================================ */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 23, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-overlay.active {
    display: flex;
}

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

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

.loading-text {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.loading-steps {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================================================
   Visualization Controls
   ============================================================================ */

.viz-controls {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 6px;
    z-index: 100;
}

.viz-control-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    background: rgba(17, 24, 39, 0.9);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.viz-control-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-cyan);
}

/* ============================================================================
   Perfect Vector Panel
   ============================================================================ */

.perfect-vector-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-sm);
    overflow: hidden;
}

.pv-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.pv-header:hover {
    background: rgba(55, 65, 81, 0.8);
    color: var(--text-primary);
}

.pv-toggle {
    transition: transform var(--transition-fast);
}

.pv-toggle.expanded {
    transform: rotate(90deg);
}

.pv-content {
    padding: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
}

.pv-content.hidden {
    display: none;
}

.pv-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.pv-category {
    margin-bottom: var(--spacing-md);
}

.pv-category h5 {
    font-size: 0.7rem;
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pv-slider-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
}

.pv-slider-row label {
    flex: 1;
    color: var(--text-secondary);
}

.pv-slider {
    width: 100px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-tertiary);
    border-radius: 2px;
    cursor: pointer;
}

.pv-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: var(--accent-cyan);
    border-radius: 50%;
    cursor: pointer;
}

.pv-value {
    width: 35px;
    text-align: right;
    font-family: 'Consolas', monospace;
    color: var(--accent-cyan);
    font-size: 0.7rem;
}

.pv-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.pv-btn {
    flex: 1;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.pv-btn.primary {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--bg-primary);
    font-weight: 600;
}

.pv-btn.primary:hover {
    background: #0891b2;
}

.pv-current {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-family: 'Consolas', monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
}

/* ============================================================================
   Scrollbar Styles
   ============================================================================ */

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

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

@media (max-width: 1400px) {
    .main-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .center-panel {
        grid-column: span 2;
        order: -1;
        max-height: 400px;
    }
}

@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .center-panel {
        grid-column: 1;
        max-height: 350px;
    }
    
    .header {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .status-bar {
        width: 100%;
        justify-content: space-around;
    }
}

/* ============================================================================
   AI Mode Styles
   ============================================================================ */

.ai-mode-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.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);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    transition: 0.3s;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-muted);
    border-radius: 50%;
    transition: 0.3s;
}

.toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, #8b5cf6, #06b6d4);
    border-color: #8b5cf6;
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
    background-color: white;
}

.ai-status-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.ai-status-badge.active {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(6, 182, 212, 0.2));
    color: #8b5cf6;
    border-color: #8b5cf6;
    animation: aiPulse 2s infinite;
}

.ai-status-badge.available {
    background: rgba(16, 185, 129, 0.1);
    color: var(--status-accept);
    border-color: var(--status-accept);
}

.ai-status-badge.inactive {
    background: rgba(239, 68, 68, 0.1);
    color: var(--status-block);
    border-color: var(--status-block);
}

@keyframes aiPulse {
    0%, 100% { box-shadow: 0 0 5px rgba(139, 92, 246, 0.3); }
    50% { box-shadow: 0 0 15px rgba(139, 92, 246, 0.6); }
}

.ai-version {
    font-size: 0.6rem;
    color: var(--text-muted);
    margin-left: 0.25rem;
}

/* AI Decision Result Styles */
.decision-result.ai-enhanced {
    border: 2px solid #8b5cf6;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(6, 182, 212, 0.05));
    padding: 1rem;
    border-radius: var(--radius-md);
}

.ai-badge {
    font-size: 0.7rem;
    color: #8b5cf6;
    font-weight: bold;
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.confidence-bar {
    width: 100%;
}

.confidence-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

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

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, #8b5cf6, #06b6d4);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.ai-scores {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
}

.score-breakdown {
    display: flex;
    justify-content: space-around;
    gap: 0.5rem;
}

.score-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.score-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.score-value {
    font-size: 0.9rem;
    font-weight: bold;
    color: var(--text-primary);
}

.rule-comparison {
    font-size: 0.75rem;
}

.decision-mini {
    font-size: 0.65rem;
    padding: 0.1rem 0.4rem;
    border-radius: var(--radius-sm);
    font-weight: bold;
}

.decision-mini.accept {
    background: rgba(16, 185, 129, 0.2);
    color: var(--status-accept);
}

.decision-mini.review {
    background: rgba(245, 158, 11, 0.2);
    color: var(--status-review);
}

.decision-mini.block {
    background: rgba(239, 68, 68, 0.2);
    color: var(--status-block);
}

/* AI Risk Factors Display */
.ai-risk-factors {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.ai-factor {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--border-color);
}

.ai-factor.inherent {
    border-left-color: #ff6b6b;
}

.ai-factor.control {
    border-left-color: #4ecdc4;
}

.factor-rank {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-secondary);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
}

.factor-name {
    flex: 1;
    font-size: 0.75rem;
    color: var(--text-primary);
    font-family: 'Consolas', monospace;
}

.factor-type {
    font-size: 0.6rem;
    padding: 0.1rem 0.3rem;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-muted);
}

.factor-value {
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--accent-cyan);
    min-width: 45px;
    text-align: right;
}