/* ══════════════════════════════════════════════════════════
   Satlify — Design System
   Single source of truth for tokens, elevation, financial
   typography and the canonical card / stat / control surfaces.
   Loaded AFTER app.css so these defaults win where a page does
   not ship its own override.
   ══════════════════════════════════════════════════════════ */

/* ── Design tokens ───────────────────────────────────────── */
:root {
    /* Spacing scale (4pt grid) */
    --ds-space-1: 4px;
    --ds-space-2: 8px;
    --ds-space-3: 12px;
    --ds-space-4: 16px;
    --ds-space-5: 20px;
    --ds-space-6: 24px;
    --ds-space-8: 32px;

    /* Radius scale */
    --ds-radius-sm: 8px;
    --ds-radius-md: 12px;
    --ds-radius-lg: 16px;
    --ds-radius-xl: 20px;
    --ds-radius-pill: 999px;

    /* Elevation — light, layered, never harsh */
    --ds-shadow-xs: 0 1px 2px rgba(16, 18, 27, 0.04);
    --ds-shadow-sm: 0 2px 8px rgba(16, 18, 27, 0.05);
    --ds-shadow-md: 0 4px 20px rgba(16, 18, 27, 0.07);
    --ds-shadow-lg: 0 12px 40px rgba(16, 18, 27, 0.10);
    --ds-shadow-glow: 0 8px 32px rgba(247, 147, 26, 0.14);

    /* Brand */
    --ds-brand: #f7931a;
    --ds-brand-strong: #ff9d2e;
    --ds-brand-soft: color-mix(in srgb, #f7931a 12%, transparent);

    /* Motion */
    --ds-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ds-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Darker, richer elevation values for dark mode */
.ds-dark {
    --ds-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.30);
    --ds-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.32);
    --ds-shadow-md: 0 6px 24px rgba(0, 0, 0, 0.38);
    --ds-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.48);
    --ds-shadow-glow: 0 8px 36px rgba(247, 147, 26, 0.20);
}

/* ── Financial typography ────────────────────────────────────
   Tabular (monospaced) figures so live-ticking numbers never
   reflow and decimals align in tables. The hallmark of a
   premium finance UI. */
.metric-value,
.metric-value--btc,
.metric-value--mid,
.metric-value--large,
.metric-sats,
.metric-pnl,
.metric-pnl-pct,
.stat-value,
.legend-pct,
.donut-legend-pct,
.time-badge,
.welcome-price,
.welcome-limits,
.btc-price-live,
.appbar-price-display,
.summary-value,
.summary-value--sm,
.summary-sub-value,
.kpi-value,
.health-score-value,
.tx-btc,
.tx-fiat,
.tx-secondary-value,
.tx-green,
.tx-red,
.mkt-value,
.mkt-value--mid,
.mkt-fg-value,
.mkt-halving-pct,
.mkt-header-price,
.donut-stat-value,
.cost-basis-gauge-value,
.health-breakdown-value,
.billing-price,
.s-stat-value,
.s-sub-value,
.s-plan-price,
.num,
.tnum,
.mud-table-cell,
.mono-num {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1, "cv01" 1;
}

/* LiveValue ticking figures */
.live-flash-up,
.live-flash-down {
    font-variant-numeric: tabular-nums;
}

/* ── Canonical surfaces ──────────────────────────────────────
   Defaults used by every page that does not override them.
   Pages keeping their own <style> simply win by source order. */
.metric-card,
.surface-card {
    background: var(--mud-palette-surface);
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: var(--ds-radius-lg);
    padding: var(--ds-space-5) var(--ds-space-6);
    height: 100%;
    box-sizing: border-box;
    transition: box-shadow 0.25s var(--ds-ease), transform 0.25s var(--ds-ease), border-color 0.25s var(--ds-ease);
}

.metric-card:hover,
.surface-card:hover {
    box-shadow: var(--ds-shadow-md);
    border-color: color-mix(in srgb, var(--mud-palette-lines-default) 60%, var(--mud-palette-text-secondary));
}

.chart-card {
    background: var(--mud-palette-surface);
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: var(--ds-radius-lg);
    padding: var(--ds-space-5) var(--ds-space-6);
    transition: box-shadow 0.25s var(--ds-ease);
}

/* Hero card — gradient hairline + brand glow */
.metric-card--hero {
    position: relative;
    border-color: color-mix(in srgb, var(--ds-brand) 55%, var(--mud-palette-lines-default));
}

.metric-card--hero::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--ds-brand) 60%, transparent),
        transparent 45%,
        color-mix(in srgb, var(--ds-brand) 28%, transparent));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
    opacity: 0.9;
}

.metric-card--hero:hover {
    box-shadow: var(--ds-shadow-glow), var(--ds-shadow-sm);
}

/* ── Count-up / reveal motion ────────────────────────────── */
@keyframes ds-count-rise {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.ds-reveal {
    animation: ds-count-rise 0.5s var(--ds-ease) both;
}

/* ── Brand gradient text (for hero numerals / headings) ──── */
.ds-gradient-text {
    background: linear-gradient(135deg, var(--ds-brand-strong), var(--ds-brand));
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ── Section header (emoji group title + caption) ────────── */
.section-header {
    display: flex;
    flex-direction: column;
    padding: 4px 0;
}

/* ── Pill segmented control (period switchers) ───────────── */
.ds-segment {
    display: inline-flex;
    gap: 2px;
    background: var(--mud-palette-background);
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: var(--ds-radius-sm);
    padding: 3px;
}

.ds-segment > button {
    border: none;
    background: transparent;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    color: var(--mud-palette-text-secondary);
    transition: all 0.15s var(--ds-ease);
}

.ds-segment > button:hover {
    color: var(--mud-palette-text-primary);
    background: var(--mud-palette-action-hover);
}

.ds-segment > button.is-active {
    background: var(--ds-brand);
    color: #fff;
    box-shadow: 0 1px 4px rgba(247, 147, 26, 0.35);
}

/* ── Dark-mode surface elevation (wins over page-local rules
   via higher specificity, so every page lifts consistently
   without editing each one) ──────────────────────────────── */
.ds-dark .metric-card,
.ds-dark .surface-card,
.ds-dark .chart-card,
.ds-dark .filter-card,
.ds-dark .summary-card,
.ds-dark .mkt-card,
.ds-dark .mkt-chart-card,
.ds-dark .mkt-fg-card,
.ds-dark .donut-card,
.ds-dark .pd-allocation-card,
.ds-dark .premium-card {
    background: var(--mud-palette-surface);
    border-color: var(--mud-palette-lines-default);
    box-shadow: var(--ds-shadow-xs);
}

.ds-dark .metric-card:hover,
.ds-dark .surface-card:hover,
.ds-dark .chart-card:hover,
.ds-dark .summary-card:hover,
.ds-dark .mkt-card:hover,
.ds-dark .mkt-chart-card:hover,
.ds-dark .donut-card:hover,
.ds-dark .premium-card:hover {
    box-shadow: var(--ds-shadow-md);
}

.ds-dark .metric-card--hero:hover {
    box-shadow: var(--ds-shadow-glow), var(--ds-shadow-sm);
}

/* Settings / Billing / Tax / onboarding card families — resting lift */
.ds-dark .s-card,
.ds-dark .billing-card,
.ds-dark .checkout-card,
.ds-dark .tax-export-card,
.ds-dark .welcome-card,
.ds-dark .auth-card,
.ds-dark .goal-card,
.ds-dark .portfolio-card,
.ds-dark .wallet-card {
    box-shadow: var(--ds-shadow-xs);
}

.ds-dark .billing-card:hover,
.ds-dark .checkout-card:hover,
.ds-dark .tax-export-card:hover,
.ds-dark .welcome-card:hover,
.ds-dark .auth-card:hover {
    box-shadow: var(--ds-shadow-md);
}

/* Tables get a touch more contrast in dark mode */
.ds-dark .mud-table-container {
    border-radius: var(--ds-radius-md);
}

/* ── Refined app background — subtle depth in dark mode ───── */
.ds-dark .mud-main-content {
    background:
        radial-gradient(900px 480px at 100% -5%, color-mix(in srgb, var(--ds-brand) 5%, transparent), transparent 60%),
        var(--mud-palette-background);
}

/* ── Pieces shared across pages ──────────────────────────── */
.pnl-positive { color: var(--mud-palette-success) !important; }
.pnl-negative { color: var(--mud-palette-error) !important; }
.pnl-warning  { color: var(--mud-palette-warning) !important; }

/* Status dot */
.ds-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    display: inline-block;
}

/* ── AppBar refinement — crisper glass, brand hairline ───── */
.mud-appbar.mud-elevation-1 {
    box-shadow: var(--ds-shadow-xs);
}

/* Section heading utility */
.ds-section-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--mud-palette-text-secondary);
}