/* Bitcoin Prediction App - Custom Styles */

:root {
    --color-brand: #f7931a;
    --color-neutral: #4d4d4d;
    --color-positive: #28a745;
    --color-negative: #dc3545;

    /* Fear & Greed scale */
    --color-scale-extreme-fear: #d32f2f;
    --color-scale-fear: #f57c00;
    --color-scale-neutral: #fdd835;
    --color-scale-greed: #7cb342;
    --color-scale-extreme-greed: #388e3c;

    /* Data visualization palette */
    --color-data-brand: #f7931a;
    --color-data-positive: #28a745;
    --color-data-negative: #dc3545;
    --color-data-neutral: #6c757d;
    --color-data-info: #007bff;
    --color-data-accent: #6f42c1;
    --color-data-sentiment: #fdd835;
    --color-data-social: #ff6600;
    --color-data-commodity: #ffc107;
}

/* ===== Dark theme (default) ===== */
[data-bs-theme="dark"] {
    --card-bg: #1e1e2e;
    --body-bg: #11111b;
    --nav-bg: #181825;
    --text-primary: #cdd6f4;
    --text-muted: #8085a4;
    --border-color: #313244;
    --chart-grid: rgba(255,255,255,0.06);
}

[data-bs-theme="dark"] body {
    background-color: var(--body-bg);
}

[data-bs-theme="dark"] .card {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

[data-bs-theme="dark"] .navbar {
    background-color: var(--nav-bg) !important;
}

/* ===== Light theme ===== */
[data-bs-theme="light"] {
    --card-bg: #ffffff;
    --body-bg: #f5f6f8;
    --text-primary: #1e1e2e;
    --text-muted: #6c757d;
    --border-color: #e9ecef;
    --chart-grid: rgba(0,0,0,0.05);
}

[data-bs-theme="light"] body {
    background-color: var(--body-bg);
}

/* ===== Common styles ===== */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.15);
    transition: background-color 0.3s ease;
}

.btc-icon {
    color: var(--color-brand);
    font-size: 1.1rem;
    font-weight: bold;
}

.card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.price-header-card {
    border-left: 3px solid var(--color-brand);
}

.signal-banner-card {
    border-left: 4px solid var(--color-data-neutral);
    transition: border-left-color 0.3s ease;
}

.signal-prob {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    transition: color 0.3s ease;
}

.signal-prob-sm {
    font-size: 1.1rem;
}

.signal-band-label {
    font-size: 0.82rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.signal-meter-wrap {
    max-width: 100%;
}

.signal-meter {
    position: relative;
    height: 12px;
    border-radius: 6px;
    background: linear-gradient(to right,
        #b91c1c 0%, #dc2626 15%, #ef4444 20%, #fca5a5 25%,
        #6b7280 35%, #6b7280 65%,
        #86efac 75%, #22c55e 80%, #16a34a 85%, #15803d 100%);
    overflow: visible;
}

.signal-meter-marker {
    position: absolute;
    top: -6px;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid #fff;
    transform: translateX(-6px);
    transition: left 0.5s ease, border-top-color 0.3s ease;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.5));
}

.signal-meter-labels {
    font-size: 0.65rem;
    color: var(--text-muted, #8085a4);
    margin-top: 2px;
}

.signal-position-text {
    font-size: 0.9rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

.signal-legend {
    font-size: 0.68rem;
    line-height: 1.6;
    color: var(--text-muted, #8085a4);
    opacity: 0.7;
}
.signal-legend-buy::before { content: "\1F7E2 "; }
.signal-legend-sell::before { content: "\1F534 "; }
.signal-legend-neutral::before { content: "\26AA "; }

.signal-disclaimer {
    font-size: 0.7rem;
    opacity: 0.5;
}

.signal-factors {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
}

.signal-factor-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    line-height: 1.4;
}

.signal-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.signal-dot-buy { background: var(--color-positive); }
.signal-dot-sell { background: var(--color-negative); }
.signal-dot-neutral { background: var(--color-data-neutral); }

.signal-factor-name {
    font-weight: 600;
    min-width: 110px;
    flex-shrink: 0;
}

.signal-factor-label {
    color: var(--text-primary, #cdd6f4);
}

.signal-factor-what {
    color: var(--text-muted, #8085a4);
    margin-left: auto;
    text-align: right;
    font-size: 0.72rem;
}

.price-display {
    color: var(--color-brand);
    font-weight: 700;
    font-size: 2.5rem;
}

.pred-price {
    font-weight: 600;
    font-size: 1.1rem;
}

#fear-greed-value {
    font-size: 1.1rem;   /* --type-body */
    font-weight: 700;    /* --weight-bold */
}

#acc-1day, #acc-7day, #acc-30day {
    font-size: 1.1rem;   /* --type-body */
    font-weight: 700;    /* --weight-bold */
}

.badge.bg-success {
    background-color: var(--color-positive) !important;
}

.badge.bg-danger {
    background-color: var(--color-negative) !important;
}

.badge.bg-secondary {
    background-color: var(--color-neutral) !important;
}

/* Fear & Greed bar colors */
.fg-extreme-fear { background-color: var(--color-scale-extreme-fear) !important; }
.fg-fear { background-color: var(--color-scale-fear) !important; }
.fg-neutral { background-color: var(--color-scale-neutral) !important; color: #000 !important; }
.fg-greed { background-color: var(--color-scale-greed) !important; }
.fg-extreme-greed { background-color: var(--color-scale-extreme-greed) !important; }

/* Table styling */
.table-borderless td {
    padding: 0.25rem 0;
}

/* Progress bar backgrounds */
[data-bs-theme="dark"] .progress {
    background-color: var(--border-color);
}

.progress-bar {
    transition: width 0.6s ease;
}

/* Chart containers */
.chart-container {
    position: relative;
    transition: opacity 0.3s ease;
}

.chart-container.chart-loading {
    opacity: 0.4;
}

/* ===== Mobile-first responsive ===== */
@media (max-width: 576px) {
    .price-display {
        font-size: 2rem;
    }

    .chart-container {
        height: 250px !important;
    }

    .card-body {
        padding: 0.5rem;
    }
}

@media (max-width: 768px) {
    .prediction-card {
        margin-bottom: 0;
    }

    .chart-container {
        height: 280px !important;
    }
}


/* Price flash animation */
@keyframes priceFlash {
    from { opacity: 0.5; }
    to { opacity: 1; }
}

.price-flash {
    animation: priceFlash 0.6s ease;
}

/* Signal indicator rows */
.signal-row {
    padding-bottom: 0.25rem;
}

.signal-name {
    font-weight: 600;
    font-size: 0.875rem;
}

.signal-explain {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

.signal-progress {
    height: 8px;
    border-radius: 4px;
}

.signal-progress .progress-bar {
    border-radius: 4px;
    transition: width 0.8s ease, background-color 0.3s ease;
}

/* Theme toggle button */
#theme-toggle {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    border-radius: 50%;
}

/* Loading overlay for the whole page */
.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--body-bg, #11111b);
    transition: opacity 0.4s ease;
}

.loading-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color, #313244);
    border-top-color: var(--color-brand);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-text {
    margin-top: 16px;
    color: var(--text-muted, #8085a4);
    font-size: 0.9rem;
}

.loading-subtext {
    margin-top: 8px;
    color: var(--text-muted, #8085a4);
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Skeleton pulse for individual sections */
@keyframes shimmer {
    0% { opacity: 0.4; }
    50% { opacity: 0.7; }
    100% { opacity: 0.4; }
}

.skeleton-pulse {
    animation: shimmer 1.5s ease-in-out infinite;
}