/**
 * Forward Curve Calculator - Professional White Design
 * Matching volatility-calculator.css theme
 */

:root {
    /* Primary White Palette */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-elevated: #ffffff;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    
    /* Professional Accent Colors */
    --accent-primary: #0f172a;
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-green: #10b981;
    --accent-amber: #f59e0b;
    --accent-red: #ef4444;
    --accent-purple: #8b5cf6;
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --text-muted: #94a3b8;
    
    /* Borders & Shadows */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Typography */
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

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

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: var(--font-sans), -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    min-height: 100vh;
}

/* Container matching volatility calculator */
.vol-container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0;
}

/* Dashboard Header */
.dashboard-header {
    width: 100%;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.header-branding h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 0.25rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* Control Bar */
.control-bar {
    width: 100%;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: flex-end;
    gap: 1.5rem;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.control-group label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-tertiary);
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.control-group select {
    background: var(--bg-input);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    padding: 0.625rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    min-width: 140px;
    transition: all 0.2s;
    cursor: pointer;
}

.control-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.instrument-selector select {
    min-width: 180px;
    font-weight: 600;
}

.instrument-specs {
    display: flex;
    gap: 1.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.spec-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 80px;
}

.spec-label {
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--text-tertiary);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.spec-value {
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--accent-blue);
}

.analyze-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--accent-blue) 0%, #2563eb 100%);
    color: white;
    border: none;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    margin-left: auto;
    box-shadow: var(--shadow-md);
    transition: all 0.2s;
}

.analyze-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

.btn-icon {
    font-size: 0.75rem;
}

/* ============================================
   TOOLTIP SYSTEM - WCAG 2.1 AA COMPLIANT
   ============================================ */

.tooltip-portal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10000;
}

.tooltip-container {
    display: inline-flex;
    position: relative;
    margin-left: 0.25rem;
}

.tooltip-trigger {
    width: 18px;
    height: 18px;
    background: var(--bg-tertiary);
    color: var(--accent-blue);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6875rem;
    font-weight: 700;
    cursor: help;
    border: 1px solid var(--border-medium);
    transition: all 0.2s ease;
    padding: 0;
    line-height: 1;
}

.tooltip-trigger:hover,
.tooltip-trigger:focus-visible {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
    transform: scale(1.1);
}

.tooltip-trigger:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

.tooltip-trigger span[aria-hidden="true"] {
    line-height: 1;
    font-size: 0.75rem;
}

/* Global Tooltip - Fixed Position for No Cutoff */
.global-tooltip {
    position: fixed;
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--accent-blue);
    box-shadow: var(--shadow-xl);
    font-size: 0.8125rem;
    max-width: 300px;
    width: max-content;
    opacity: 0;
    transform: translateY(-8px) translateX(-50%);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    z-index: 10001;
    pointer-events: none;
    line-height: 1.5;
    white-space: normal;
    word-wrap: break-word;
    hyphens: auto;
    visibility: hidden;
}

.global-tooltip.visible {
    opacity: 1;
    transform: translateY(0) translateX(-50%);
    pointer-events: auto;
    visibility: visible;
}

.global-tooltip p {
    margin: 0;
    color: var(--text-secondary);
}

/* Tooltip Arrow */
.global-tooltip::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-bottom-color: var(--accent-blue);
}

/* Tooltip arrow when pointing down (tooltip above trigger) */
.global-tooltip.tooltip-above::before {
    top: auto;
    bottom: -6px;
    border-bottom-color: transparent;
    border-top-color: var(--accent-blue);
}

/* Analytics Dashboard */
.analytics-dashboard {
    width: 100%;
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
}

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    gap: 1rem;
}

.loading-state .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-light);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
    width: 100%;
}

/* Price Section - Full Width */
.volatility-section.price-section {
    grid-column: 1 / -1;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.section-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.period-tag {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* Curve Badge */
.curve-badge {
    padding: 0.375rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid transparent;
}

.curve-badge.contango {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border-color: rgba(16, 185, 129, 0.3);
}

.curve-badge.backwardation {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
    border-color: rgba(245, 158, 11, 0.3);
}

.curve-badge.flat {
    background: rgba(148, 163, 184, 0.1);
    color: #64748b;
    border-color: rgba(148, 163, 184, 0.3);
}

/* Chart Container */
.mini-chart-container {
    position: relative;
    width: 100%;
    height: 320px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

#dailyCurveCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

.chart-tooltip {
    position: absolute;
    background: var(--bg-primary);
    border: 1px solid var(--accent-blue);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 0.8125rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 100;
    box-shadow: var(--shadow-lg);
    font-family: var(--font-mono);
}

.chart-footer {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.metric-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-secondary);
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    border: 1px solid var(--border-light);
}

.metric-pill.highlight {
    background: rgba(59, 130, 246, 0.05);
    border-color: rgba(59, 130, 246, 0.2);
}

.pill-label {
    color: var(--text-tertiary);
    font-weight: 500;
}

.pill-value {
    color: var(--accent-blue);
    font-family: var(--font-mono);
    font-weight: 600;
}

/* Download Controls */
.download-controls {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-light);
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    padding: 0.625rem 1.25rem;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.download-btn:hover:not(:disabled) {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.download-btn:active:not(:disabled) {
    transform: translateY(0);
}

.download-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--bg-tertiary);
}

.download-btn .btn-icon {
    font-size: 1rem;
}

/* Metrics Grid V2 */
.metrics-grid-v2 {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.metric-card-v2 {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
}

.metric-card-v2:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.metric-card-v2.primary {
    border-color: var(--accent-blue);
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(59, 130, 246, 0.03) 100%);
}

.metric-header-v2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.metric-icon {
    font-size: 1.125rem;
}

.metric-label-v2 {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.metric-value-v2 {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

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

/* Term Structure / Secondary Sections */
.volatility-section.term-structure {
    grid-column: 1 / -1;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.5rem;
}

.data-table th,
.data-table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.data-table th {
    color: var(--text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.6875rem;
    letter-spacing: 0.05em;
    background: var(--bg-secondary);
}

.data-table td {
    color: var(--text-primary);
    font-size: 0.875rem;
}

.data-table tr:hover td {
    background: var(--bg-secondary);
}

.data-table .positive {
    color: var(--accent-green);
    font-weight: 600;
}

.data-table .negative {
    color: var(--accent-red);
    font-weight: 600;
}

.data-table .empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
}

/* Storage Calendar */
.storage-calendar-wrapper {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 1rem;
    border: 1px solid var(--border-light);
}

.storage-calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    margin-bottom: 8px;
}

.calendar-header-day {
    text-align: center;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-light);
}

.storage-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    transition: all 0.2s;
    cursor: pointer;
    padding: 0.5rem;
}

.calendar-day .cal-date {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.6875rem;
}

.calendar-day .cal-profit {
    font-weight: 700;
    font-size: 0.75rem;
    font-family: var(--font-mono);
}

.calendar-day.viable {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
}

.calendar-day.viable .cal-profit {
    color: var(--accent-green);
}

.calendar-day.not-viable {
    background: rgba(239, 68, 68, 0.05);
    border-color: rgba(239, 68, 68, 0.2);
}

.calendar-day.not-viable .cal-profit {
    color: var(--accent-red);
}

.calendar-day:hover {
    transform: scale(1.05);
    z-index: 10;
    box-shadow: var(--shadow-md);
}

/* Methodology Section */
.methodology-section {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-light);
    padding: 3rem 2rem;
    width: 100%;
}

.methodology-section .container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header-pro {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.tool-overview {
    max-width: 900px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.lead-text {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-blue);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* How to Use Grid */
.how-to-use-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 3rem;
    align-items: start;
}

.usage-steps h3,
.methodology-deep-dive h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--accent-blue);
}

.steps-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.steps-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: var(--accent-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

.step-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.step-content strong {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9375rem;
}

.step-content span {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Methodology Grid */
.method-grid-compact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.method-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.25rem;
}

.method-card h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.method-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.method-card em {
    color: var(--accent-amber);
    font-style: normal;
    font-weight: 600;
}

/* Metrics Reference */
.metrics-reference {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.metrics-reference h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.metrics-list-pro {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.metric-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
}

.metric-row:last-child {
    border-bottom: none;
}

.metric-row dt {
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--accent-blue);
}

.metric-row dd {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.metric-threshold {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
    background: var(--bg-tertiary);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
}

/* Use Cases */
.use-cases {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}

.use-cases h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

.use-case-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.use-case {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all 0.2s;
}

.use-case:hover {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

/* Responsive */
@media (max-width: 1200px) {
    .metrics-grid-v2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .how-to-use-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .control-bar {
        padding: 1rem;
    }
    
    .analyze-btn {
        margin-left: 0;
        width: 100%;
        justify-content: center;
    }
    
    .download-controls {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .dashboard-header,
    .analytics-dashboard,
    .methodology-section {
        padding: 1rem;
    }
    
    .metrics-grid-v2 {
        grid-template-columns: 1fr;
    }
    
    .metric-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .mini-chart-container {
        height: 240px;
    }
    
    .instrument-specs {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .chart-footer {
        flex-direction: column;
    }
    
    .download-controls {
        flex-direction: column;
    }
    
    .download-btn {
        width: 100%;
        justify-content: center;
    }
    
    .storage-calendar-header {
        gap: 4px;
    }
    
    .storage-calendar {
        gap: 4px;
    }
    
    .calendar-day {
        padding: 0.25rem;
    }
    
    .global-tooltip {
        max-width: 250px;
        font-size: 0.75rem;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .tooltip-trigger {
        border: 2px solid currentColor;
    }
    
    .global-tooltip {
        border: 2px solid var(--text-primary);
        box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .tooltip-trigger,
    .global-tooltip {
        animation: none !important;
        transition: none !important;
    }
}

/* ============================================
   RISK DISCLOSURE MODAL
   ============================================ */

.risk-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.risk-modal.hidden {
    display: none;
}

.risk-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
}

.risk-modal-content {
    position: relative;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.risk-modal-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(135deg, #fef3c7 0%, #fffbeb 100%);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.risk-icon {
    font-size: 2rem;
    animation: pulse-warning 2s infinite;
}

@keyframes pulse-warning {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.risk-modal-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.risk-modal-body {
    padding: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.risk-modal-body p {
    margin-bottom: 1rem;
}

.risk-modal-body p:last-child {
    margin-bottom: 0;
}

.risk-modal-body strong {
    color: var(--accent-amber);
    font-weight: 600;
}

.risk-modal-footer {
    padding: 1rem 1.5rem 1.5rem;
    display: flex;
    justify-content: center;
}

.risk-accept-btn {
    background: linear-gradient(135deg, var(--accent-blue) 0%, #2563eb 100%);
    color: white;
    border: none;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: var(--shadow-md);
    width: 100%;
}

.risk-accept-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .risk-modal-content {
        border: 3px solid var(--text-primary);
    }
    
    .risk-accept-btn {
        border: 2px solid var(--text-primary);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .risk-modal-content,
    .risk-icon {
        animation: none !important;
        transition: none !important;
    }
}