/* ═══════════════════════════════════════════════════════════════
   FX RATE MONITOR - ETHERFUSE BRAND THEME (Tufte Edition)
   Primary: Neon Yellow (#dfff18)
   Font: cpmono (with system fallbacks)
   ═══════════════════════════════════════════════════════════════ */

:root {
    /* Etherfuse Yellow Scale */
    --etherfuse-50: #FBFFE2;
    --etherfuse-100: #F6FFC5;
    --etherfuse-200: #EFFF8C;
    --etherfuse-300: #E8FF5C;
    --etherfuse-400: #E4FF3F;
    --etherfuse-500: #dfff18;
    --etherfuse-600: #dcff00;
    --etherfuse-700: #c2e300;
    --etherfuse-800: #899926;
    --etherfuse-900: #444D13;

    /* Etherfuse Grey Scale */
    --grey-50: #f5f5f5;
    --grey-100: #e7e7e7;
    --grey-200: #cdcdcd;
    --grey-300: #b2b2b2;
    --grey-400: #9a9a9a;
    --grey-500: #8b8b8b;
    --grey-600: #848484;
    --grey-700: #717171;
    --grey-800: #656565;
    --grey-900: #575757;

    /* Semantic Colors */
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-card: #1a1a1d;
    --bg-elevated: #232326;
    --text-primary: #fafafa;
    --text-secondary: #b2b2b2;
    --text-muted: #717171;
    --accent: #dfff18;
    --accent-hover: #E4FF3F;
    --accent-muted: #899926;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --border: #2a2a2d;
    --border-subtle: #1f1f22;
}

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

body {
    font-family: cpmono, Ubuntu, -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    letter-spacing: -0.01em;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
}

/* ─────────────────────────────────────────────────────────────────
   STATUS BAR (replaces decorative header)
   ───────────────────────────────────────────────────────────────── */
.status-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-subtle);
    text-align: left;
}

.status-bar-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
}

.status-bar-sep {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.status-bar-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
    margin-left: auto;
}

/* ─────────────────────────────────────────────────────────────────
   CONTROLS
   ───────────────────────────────────────────────────────────────── */
.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Query Controls Group */
.query-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Benchmark Selector */
.benchmark-selector,
.amount-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.benchmark-selector label,
.amount-selector label {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    font-weight: 500;
}

.benchmark-selector select,
.amount-selector select {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: inherit;
    cursor: pointer;
}

.benchmark-selector select:hover,
.amount-selector select:hover {
    border-color: var(--accent-muted);
}

.benchmark-selector select:focus,
.amount-selector select:focus {
    outline: none;
    border-color: var(--accent);
}

.benchmark-selector select option:disabled,
.amount-selector select option:disabled {
    color: var(--text-muted);
}

.time-range {
    display: flex;
    gap: 0.5rem;
}

.range-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.range-btn:hover {
    background: var(--bg-card);
    border-color: var(--accent-muted);
}

.range-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #0a0a0b;
    font-weight: 600;
}

.range-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ─────────────────────────────────────────────────────────────────
   BENCHMARK STRIP — full-width reference rate
   ───────────────────────────────────────────────────────────────── */
.benchmark-strip {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent-muted);
    border-radius: 6px;
    margin-bottom: 1.25rem;
    min-height: 44px;
}

.benchmark-strip:empty {
    display: none;
}

.benchmark-strip .provider {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    font-weight: 500;
}

.benchmark-strip .benchmark-badge {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    background: rgba(223, 255, 24, 0.1);
    padding: 0.125rem 0.375rem;
    border-radius: 2px;
    font-weight: 600;
}

.benchmark-strip .rate {
    font-size: 1.25rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.benchmark-strip .time {
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-left: auto;
}

.benchmark-strip .staleness-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
}

.benchmark-strip .staleness-indicator[data-status="fresh"] {
    background: var(--success);
}

.benchmark-strip .staleness-indicator[data-status="warning"] {
    background: var(--warning);
}

.benchmark-strip .staleness-indicator[data-status="stale"] {
    background: var(--danger);
}

/* ─────────────────────────────────────────────────────────────────
   RATE CARDS
   ───────────────────────────────────────────────────────────────── */

.rate-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-height: 120px;
}

/* Benchmark provider highlight */
.rate-card.is-benchmark {
    border-color: var(--accent-muted);
    border-width: 2px;
}

.rate-card .provider-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.rate-card .provider {
    font-size: 0.6875rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.rate-card .benchmark-badge {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    background: rgba(223, 255, 24, 0.1);
    padding: 0.125rem 0.375rem;
    border-radius: 2px;
    font-weight: 600;
}

.rate-card .rate {
    font-size: 0.875rem;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    color: var(--text-secondary);
    letter-spacing: -0.02em;
}

.rate-card .deviation {
    font-size: 2rem;
    font-weight: 700;
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
    letter-spacing: -0.02em;
}

.rate-card .deviation.in-range {
    color: var(--success);
}

.rate-card .deviation.outside {
    color: var(--warning);
}

.rate-card .deviation.unavailable {
    color: var(--text-muted);
    font-size: 1.4rem;
}

/* Card background tint when deviation exceeds 25 BPS */
.rate-card:has(.deviation.outside) {
    border-color: rgba(245, 158, 11, 0.2);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.04) 0%, var(--bg-secondary) 100%);
}

/* Sparkline container */
.rate-card .sparkline-container {
    height: 28px;
    width: 100%;
    margin: 0.125rem 0;
}

.rate-card .sparkline-container canvas {
    width: 100% !important;
    height: 28px !important;
}

.rate-card .rate-footer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
}

.rate-card .time {
    font-size: 0.6875rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* Staleness indicator — static dot, no glow */
.rate-card .staleness-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
}

.rate-card .staleness-indicator[data-status="fresh"] {
    background: var(--success);
}

.rate-card .staleness-indicator[data-status="warning"] {
    background: var(--warning);
}

.rate-card .staleness-indicator[data-status="stale"] {
    background: var(--danger);
}

/* Highlight Etherfuse cards */
.rate-card#rate-etherfuse_offramp {
    border-left: 3px solid var(--info);
}

.rate-card#rate-etherfuse_onramp {
    border-left: 3px solid #8b5cf6;
}

/* Fee badge for Etherfuse ramp cards */
.rate-card .fee-badge {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-muted);
    background: rgba(223, 255, 24, 0.08);
    padding: 0.125rem 0.375rem;
    border-radius: 2px;
    font-weight: 500;
}

/* Amount badge for Etherfuse cards */
.rate-card .amount-badge {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    background: var(--bg-elevated);
    padding: 0.125rem 0.375rem;
    border-radius: 2px;
    font-weight: 500;
    margin-left: auto;
}

/* ─────────────────────────────────────────────────────────────────
   MARKET SESSION BADGE
   ───────────────────────────────────────────────────────────────── */
.market-session-badge {
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.market-session-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.market-session-badge[data-session="open"] {
    color: var(--success);
    background: rgba(34, 197, 94, 0.1);
}

.market-session-badge[data-session="open"]::before {
    background: var(--success);
}

.market-session-badge[data-session="after_hours"] {
    color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
}

.market-session-badge[data-session="after_hours"]::before {
    background: var(--warning);
}

.market-session-badge[data-session="closed"] {
    color: var(--text-muted);
    background: rgba(113, 113, 113, 0.1);
}

.market-session-badge[data-session="closed"]::before {
    background: var(--text-muted);
}

.market-session-badge[data-session="unknown"] {
    display: none;
}

/* ─────────────────────────────────────────────────────────────────
   STUCK INDICATOR
   ───────────────────────────────────────────────────────────────── */
.stuck-badge {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.1);
    padding: 0.125rem 0.375rem;
    border-radius: 2px;
    margin-left: auto;
}

/* Dim staleness indicators when market is closed */
.rate-card.market-closed .staleness-indicator {
    opacity: 0.4;
}

.rate-card.market-closed .time {
    opacity: 0.5;
}

/* ─────────────────────────────────────────────────────────────────
   CHAIN SECTIONS — stacked vertically (cards), charts in 4-col row
   ───────────────────────────────────────────────────────────────── */
.chain-section {
    margin-bottom: 1rem;
}

.chain-section > h2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.chain-logo {
    width: 20px;
    height: 20px;
    fill: var(--text-secondary);
    flex-shrink: 0;
}

.chain-rates {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.charts-row {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

/* ─────────────────────────────────────────────────────────────────
   CHART SECTION
   ───────────────────────────────────────────────────────────────── */
.chart-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1.25rem;
}

.chart-section h2,
.chart-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.chart-section h3 {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.chart-container {
    position: relative;
    height: 300px;
}

.chart-container.loading-overlay {
    opacity: 0.4;
    pointer-events: none;
    transition: opacity 0.2s;
}

/* ─────────────────────────────────────────────────────────────────
   PROVIDER COLOR DOT (card-to-chart mapping)
   ───────────────────────────────────────────────────────────────── */
.rate-card .provider-color-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Highlight Solana Etherfuse cards */
.rate-card#rate-etherfuse_offramp_solana {
    border-left: 3px solid #10b981;
}

.rate-card#rate-etherfuse_onramp_solana {
    border-left: 3px solid #f59e0b;
}

/* ─────────────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .status-bar {
        flex-wrap: wrap;
        gap: 0.25rem 0.5rem;
    }

    .chain-rates {
        grid-template-columns: 1fr;
    }

    .chart-container {
        height: 220px;
    }

    .rate-card .deviation {
        font-size: 1.5rem;
    }
}

/* ─────────────────────────────────────────────────────────────────
   LOADING STATE
   ───────────────────────────────────────────────────────────────── */
.loading {
    color: var(--text-muted);
    animation: loadingPulse 1.5s ease-in-out infinite;
}

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

/* ─────────────────────────────────────────────────────────────────
   ERROR STATE
   ───────────────────────────────────────────────────────────────── */
.rate.error {
    color: var(--danger);
    opacity: 0.6;
}

/* ─────────────────────────────────────────────────────────────────
   OPTGROUP STYLING
   ───────────────────────────────────────────────────────────────── */
.benchmark-selector select optgroup {
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-elevated);
}

.benchmark-selector select option {
    font-weight: 400;
    color: var(--text-primary);
    background: var(--bg-card);
    padding: 0.25rem 0.5rem;
}