/**
 * IntratioChart CSS - State-of-the-Art Fintech Chart Styles
 * 
 * Design Principles:
 * - Transparent backgrounds for seamless integration
 * - Glassmorphic overlays with subtle borders
 * - Intratio color scheme (#ec7c30 primary, #ff9142 secondary)
 * - Subtle animations and hover effects
 * - Clean, minimal design without heavy effects
 */

/* ========================================
   CSS Variables - Intratio Theme
   ======================================== */
:root {
    --intratio-primary: #ec7c30;
    --intratio-secondary: #ff9142;
    --intratio-dark-orange: #d16b26;
    --intratio-accent: #ff8c42;
    --intratio-bullish: #00ff88;
    --intratio-bullish-muted: #00c853;
    --intratio-bearish: #ff4466;
    --intratio-bearish-muted: #e53935;
    --intratio-neutral: #ffd700;
    --intratio-text: rgba(255, 255, 255, 0.9);
    --intratio-text-muted: rgba(255, 255, 255, 0.6);
    --intratio-border: rgba(255, 255, 255, 0.1);
    --intratio-glass-bg: rgba(255, 255, 255, 0.03);
    --intratio-glass-border: rgba(255, 255, 255, 0.08);
    --intratio-overlay-bg: rgba(15, 23, 42, 0.85);
}

/* ========================================
   Chart Component Container
   ======================================== */
.intratio-chart-component {
    width: 100%;
    height: 100%;
    min-height: inherit;
}

/* ========================================
   Chart Wrapper
   ======================================== */
.intratio-chart-wrapper {
    position: relative;
    width: 100%;
    background: transparent;
    border: 1px solid var(--intratio-glass-border);
    border-radius: 16px;
    overflow: hidden;
    font-family: 'Cerebri Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.intratio-chart-wrapper:hover {
    border-color: rgba(236, 124, 48, 0.2);
    box-shadow: 0 0 40px rgba(236, 124, 48, 0.05);
}

/* ========================================
   Chart Header
   ======================================== */
.intratio-chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--intratio-glass-border);
    background: var(--intratio-glass-bg);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.intratio-chart-title {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
}

.intratio-ticker {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--intratio-primary);
    letter-spacing: 0.5px;
}

.intratio-price-display {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.intratio-current-price {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--intratio-text);
    font-variant-numeric: tabular-nums;
}

.intratio-price-change {
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.intratio-price-change.positive {
    color: var(--intratio-bullish);
    background: rgba(0, 255, 136, 0.1);
}

.intratio-price-change.negative {
    color: var(--intratio-bearish);
    background: rgba(255, 68, 102, 0.1);
}

/* ========================================
   Period Selector
   ======================================== */
.intratio-chart-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.intratio-period-selector {
    display: flex;
    gap: 0.25rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.25rem;
    border-radius: 8px;
    border: 1px solid var(--intratio-glass-border);
}

.intratio-period-btn {
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--intratio-text-muted);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.5px;
}

.intratio-period-btn:hover {
    color: var(--intratio-text);
    background: rgba(255, 255, 255, 0.05);
}

.intratio-period-btn.active {
    color: white;
    background: linear-gradient(135deg, var(--intratio-primary) 0%, var(--intratio-secondary) 100%);
    box-shadow: 0 2px 8px rgba(236, 124, 48, 0.3);
}

/* Fullscreen button - positioned after period buttons */
.intratio-fullscreen-btn {
    padding: 0.4rem 0.6rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--intratio-primary);
    background: rgba(236, 124, 48, 0.1);
    border: 1px solid rgba(236, 124, 48, 0.4);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.25rem;
}

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

.intratio-fullscreen-btn .fullscreen-icon {
    font-size: 1.1rem;
    line-height: 1;
}

/* ========================================
   Chart Body
   ======================================== */
.intratio-chart-body {
    background: transparent;
}

.intratio-price-chart-container,
.intratio-signal-chart-container {
    position: relative;
    width: 100%;
    background: transparent;
}

.intratio-price-chart,
.intratio-signal-chart {
    width: 100%;
    background: transparent;
}

/* Ensure Lightweight Charts renders with transparency */
.intratio-price-chart canvas,
.intratio-signal-chart canvas {
    background: transparent !important;
}

/* Chart separation line */
.intratio-signal-chart-container {
    border-top: 1px solid var(--intratio-glass-border);
}

/* ========================================
   Chart Overlays (Subscription Gating)
   ======================================== */
.intratio-chart-overlay,
.intratio-signal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--intratio-overlay-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 10;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.intratio-chart-overlay.intratio-hidden,
.intratio-signal-overlay.intratio-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.intratio-overlay-content {
    text-align: center;
    padding: 2rem;
    max-width: 320px;
}

.intratio-lock-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    filter: grayscale(1) brightness(1.2);
    animation: intratio-pulse 2s ease-in-out infinite;
}

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

.intratio-overlay-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.intratio-overlay-subtitle {
    font-size: 0.9rem;
    color: var(--intratio-text-muted);
    margin-bottom: 1.25rem;
    line-height: 1.4;
}

.intratio-cta-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: white;
    background: linear-gradient(135deg, var(--intratio-primary) 0%, var(--intratio-secondary) 100%);
    border: none;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(236, 124, 48, 0.3);
}

.intratio-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(236, 124, 48, 0.4);
    color: white;
    text-decoration: none;
}

.intratio-signal-overlay .intratio-overlay-content {
    padding: 1rem;
}

.intratio-signal-overlay .intratio-lock-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* ========================================
   Chart Legend
   ======================================== */
.intratio-chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--intratio-glass-border);
    background: var(--intratio-glass-bg);
}

.intratio-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.intratio-legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.intratio-legend-gradient {
    background: linear-gradient(135deg, var(--intratio-bullish) 0%, var(--intratio-bearish) 100%);
}

.intratio-legend-label {
    font-size: 0.75rem;
    color: var(--intratio-text-muted);
    font-weight: 500;
}

.intratio-legend-forecast-link {
    font-size: 0.75rem;
    color: var(--intratio-primary);
    font-weight: 600;
    text-decoration: none;
    margin-left: 4px;
    transition: color 0.2s ease, text-decoration 0.2s ease;
}

.intratio-legend-forecast-link:hover {
    color: #ff9f6a;
    text-decoration: underline;
}

/* ========================================
   Loading State
   ======================================== */
.intratio-chart-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 20;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.intratio-chart-loading.visible {
    opacity: 1;
    visibility: visible;
}

.intratio-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(236, 124, 48, 0.2);
    border-top-color: var(--intratio-primary);
    border-radius: 50%;
    animation: intratio-spin 0.8s linear infinite;
}

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

.intratio-chart-loading span {
    color: var(--intratio-text-muted);
    font-size: 0.9rem;
}

.intratio-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--intratio-bearish);
}

.intratio-error i {
    font-size: 2rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .intratio-chart-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 0.75rem 1rem;
    }

    .intratio-chart-title {
        width: 100%;
    }

    .intratio-ticker {
        font-size: 1.1rem;
    }

    .intratio-current-price {
        font-size: 1.25rem;
    }

    .intratio-chart-controls {
        width: 100%;
        justify-content: flex-start;
    }

    .intratio-period-selector {
        flex-wrap: wrap;
    }

    .intratio-period-btn {
        padding: 0.35rem 0.6rem;
        font-size: 0.75rem;
    }

    .intratio-fullscreen-btn {
        padding: 0.35rem 0.5rem;
        font-size: 0.9rem;
    }

    .intratio-fullscreen-btn .fullscreen-icon {
        font-size: 0.95rem;
    }

    .intratio-chart-legend {
        gap: 0.75rem;
        padding: 0.5rem 1rem;
    }

    .intratio-legend-label {
        font-size: 0.7rem;
    }

    .intratio-overlay-content {
        padding: 1.5rem;
    }

    .intratio-overlay-title {
        font-size: 1rem;
    }

    .intratio-overlay-subtitle {
        font-size: 0.8rem;
    }

    .intratio-cta-btn {
        padding: 0.6rem 1.25rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .intratio-chart-wrapper {
        border-radius: 12px;
    }

    .intratio-period-btn {
        padding: 0.3rem 0.5rem;
        font-size: 0.7rem;
    }

    .intratio-fullscreen-btn {
        padding: 0.3rem 0.4rem;
        font-size: 0.85rem;
    }

    .intratio-fullscreen-btn .fullscreen-icon {
        font-size: 0.9rem;
    }

    .intratio-chart-legend {
        gap: 0.5rem;
    }

    .intratio-legend-item {
        gap: 0.35rem;
    }

    .intratio-legend-color {
        width: 10px;
        height: 10px;
    }
}

/* ========================================
   Hover Tooltips Enhancement
   ======================================== */
.intratio-chart-wrapper .tv-lightweight-charts {
    font-family: 'Cerebri Sans', -apple-system, BlinkMacSystemFont, sans-serif !important;
}

/* Custom tooltip styling for Lightweight Charts */
.intratio-tooltip {
    position: absolute;
    display: none;
    padding: 0.75rem 1rem;
    background: rgba(30, 30, 30, 0.95);
    border: 1px solid var(--intratio-primary);
    border-radius: 8px;
    font-size: 0.8rem;
    color: white;
    pointer-events: none;
    z-index: 100;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.intratio-tooltip.visible {
    display: block;
}

.intratio-tooltip-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--intratio-primary);
    margin-bottom: 0.25rem;
}

.intratio-tooltip-date {
    font-size: 0.75rem;
    color: var(--intratio-text-muted);
}

.intratio-tooltip-signal {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--intratio-glass-border);
}

/* ========================================
   Animation Utilities
   ======================================== */
.intratio-fade-in {
    animation: intratio-fadeIn 0.3s ease-out;
}

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

/* ========================================
   Dark Mode Compatibility (already dark)
   ======================================== */
[data-theme="dark"] .intratio-chart-wrapper,
.dark .intratio-chart-wrapper {
    /* Chart is already optimized for dark backgrounds */
    --intratio-text: rgba(255, 255, 255, 0.9);
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .intratio-chart-wrapper {
        background: white !important;
        border: 1px solid #ddd !important;
    }

    .intratio-chart-header,
    .intratio-chart-legend {
        background: #f5f5f5 !important;
    }

    .intratio-ticker,
    .intratio-current-price,
    .intratio-legend-label {
        color: #333 !important;
    }

    .intratio-chart-overlay,
    .intratio-signal-overlay,
    .intratio-chart-loading {
        display: none !important;
    }
}