/* ──────────────────────────────────────────────────────
   DOG Rune Flow Intel — Premium Dark Theme
   ────────────────────────────────────────────────────── */

:root {
    --bg:         #07080d;
    --bg-panel:   #0d0f18;
    --bg-card:    #111420;
    --border:     rgba(255,255,255,0.06);
    --border-hi:  rgba(255,255,255,0.12);

    --gold:       #f5a623;
    --gold-dim:   rgba(245,166,35,0.15);
    --green:      #22d3a1;
    --green-dim:  rgba(34,211,161,0.15);
    --red:        #f43f5e;
    --red-dim:    rgba(244,63,94,0.15);
    --blue:       #3b82f6;
    --purple:     #8b5cf6;

    --text-1:     #f1f2f5;
    --text-2:     #8b8fa8;
    --text-3:     #4b4f6b;

    --font-mono:  'JetBrains Mono', monospace;
    --font-sans:  'Inter', sans-serif;
    --radius:     14px;
    --radius-sm:  8px;

    /* Exchange colors */
    --binance:  #f0b90b;
    --okx:      #22d3a1;
    --coinbase: #3b82f6;
    --bybit:    #f59e0b;
    --kraken:   #7c3aed;
    --gate:     #ec4899;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text-1);
    min-height: 100vh;
    background-image:
        radial-gradient(ellipse 70% 40% at 80% 0%, rgba(245,166,35,0.06) 0%, transparent 60%),
        radial-gradient(ellipse 50% 30% at 0% 100%, rgba(34,211,161,0.04) 0%, transparent 60%);
}

/* ── Header ─────────────────────────────────────────── */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(7,8,13,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand { display: flex; align-items: center; gap: 0.875rem; }

.brand-icon {
    font-size: 2.2rem;
    filter: drop-shadow(0 0 12px rgba(245,166,35,0.6));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%,100% { transform: translateY(0); }
    50%      { transform: translateY(-4px); }
}

.brand-title {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(90deg, #f5a623, #fde68a, #f5a623);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.brand-sub { font-size: 0.75rem; color: var(--text-2); margin-top: 2px; }

.header-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.live-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--green);
    background: var(--green-dim);
    border: 1px solid rgba(34,211,161,0.25);
    border-radius: 100px;
    padding: 4px 10px;
}

.pulse {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%,100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.price-display { display: flex; flex-direction: column; align-items: flex-end; }
.price-label { font-size: 0.65rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em; }
.price-value { font-family: var(--font-mono); font-size: 1rem; font-weight: 600; color: var(--gold); }

.last-update { font-size: 0.7rem; color: var(--text-3); }

/* ── Main Layout ─────────────────────────────────────── */

.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ── Controls ────────────────────────────────────────── */

.controls-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.range-tabs {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 3px;
    gap: 2px;
}

.tab {
    background: transparent;
    border: none;
    color: var(--text-2);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.04em;
}

.tab:hover { color: var(--text-1); background: rgba(255,255,255,0.05); }

.tab.active {
    background: rgba(245,166,35,0.15);
    color: var(--gold);
    border: 1px solid rgba(245,166,35,0.3);
}

.refresh-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-2);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 8px 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.refresh-btn:hover { color: var(--text-1); border-color: var(--border-hi); }
.refresh-btn.spinning svg { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── KPI Cards ───────────────────────────────────────── */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: transform 0.25s, box-shadow 0.25s;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.3s;
}

.kpi-card:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.kpi-card:hover::before { opacity: 1; }

.kpi-card.inflow  { border-color: rgba(34,211,161,0.2); }
.kpi-card.inflow::before  { background: linear-gradient(135deg, rgba(34,211,161,0.05), transparent); }
.kpi-card.outflow { border-color: rgba(244,63,94,0.2); }
.kpi-card.outflow::before { background: linear-gradient(135deg, rgba(244,63,94,0.05), transparent); }
.kpi-card.net     { border-color: rgba(245,166,35,0.25); }
.kpi-card.net::before     { background: linear-gradient(135deg, rgba(245,166,35,0.08), transparent); }

.kpi-icon {
    font-size: 1.8rem;
    font-weight: 300;
    line-height: 1;
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.kpi-card.inflow  .kpi-icon { background: var(--green-dim); color: var(--green); }
.kpi-card.outflow .kpi-icon { background: var(--red-dim);   color: var(--red);   }
.kpi-card.net     .kpi-icon { background: var(--gold-dim);  color: var(--gold);  }

.kpi-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-2); margin-bottom: 4px; }
.kpi-value { font-family: var(--font-mono); font-size: 1.5rem; font-weight: 700; line-height: 1.1; }
.kpi-usd   { font-size: 0.8rem; color: var(--text-2); margin-top: 4px; font-family: var(--font-mono); }

.kpi-card.inflow  .kpi-value { color: var(--green); }
.kpi-card.outflow .kpi-value { color: var(--red);   }
.kpi-card.net     .kpi-value { color: var(--gold);  }

/* ── Panels ──────────────────────────────────────────── */

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.panel-header {
    padding: 1.5rem 1.75rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-title { font-size: 1rem; font-weight: 700; letter-spacing: -0.01em; }
.panel-desc  { font-size: 0.75rem; color: var(--text-2); margin-top: 3px; }

/* ── Sankey ──────────────────────────────────────────── */

#sankey-diagram {
    height: 460px;
    padding: 1rem;
}

.sankey-link {
    fill: none;
    transition: stroke-opacity 0.25s;
}
.sankey-link:hover { stroke-opacity: 0.55 !important; cursor: pointer; }

.sankey-node rect {
    rx: 4;
    cursor: pointer;
    transition: opacity 0.2s;
}
.sankey-node rect:hover { opacity: 0.85; }

.sankey-label {
    font-family: var(--font-mono);
    font-size: 11px;
    fill: var(--text-1);
    pointer-events: none;
}

.sankey-amount {
    font-family: var(--font-mono);
    font-size: 10px;
    fill: var(--text-2);
    pointer-events: none;
}

/* ── Bar Chart ───────────────────────────────────────── */

#bar-chart {
    height: 320px;
    padding: 1.5rem 1.75rem;
}

.bar-label { font-family: var(--font-sans); font-size: 11px; fill: var(--text-2); }
.bar-value { font-family: var(--font-mono); font-size: 10px; fill: var(--text-1); }
.bar-inflow  { fill: var(--green); }
.bar-outflow { fill: var(--red);   }
.bar-net     { fill: var(--gold);  }

/* ── Table ───────────────────────────────────────────── */

.table-wrapper { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    padding: 0.875rem 1.5rem;
    text-align: right;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-3);
    border-bottom: 1px solid var(--border);
    font-weight: 500;
    white-space: nowrap;
}

thead th:first-child { text-align: left; }

tbody td {
    padding: 1rem 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-align: right;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    color: var(--text-1);
}

tbody td:first-child {
    text-align: left;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

tbody tr:last-child td { border-bottom: none; }

tbody tr:hover td { background: rgba(255,255,255,0.02); }

.exchange-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.signal {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    font-family: var(--font-sans);
}

.signal.bullish  { background: var(--green-dim); color: var(--green); border: 1px solid rgba(34,211,161,0.3); }
.signal.bearish  { background: var(--red-dim);   color: var(--red);   border: 1px solid rgba(244,63,94,0.3);  }
.signal.neutral  { background: rgba(139,143,168,0.1); color: var(--text-2); border: 1px solid rgba(255,255,255,0.08); }

.loading-cell { text-align: center; color: var(--text-3); padding: 3rem; font-size: 0.85rem; }

/* ── Tooltip ─────────────────────────────────────────── */

.tooltip {
    position: fixed;
    background: #1a1d2e;
    border: 1px solid var(--border-hi);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-1);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 1000;
    white-space: pre-line;
    line-height: 1.7;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
    max-width: 260px;
}

.tooltip.visible { opacity: 1; }

/* ── Donations Footer ────────────────────────────────── */

.donation-footer {
    margin-top: 2rem;
    padding: 2rem;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.donation-footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0.5;
}

.donation-content h3 {
    font-size: 1.1rem;
    color: var(--text-1);
    margin-bottom: 0.5rem;
}

.donation-content p {
    font-size: 0.85rem;
    color: var(--text-2);
    margin-bottom: 1.5rem;
}

.donation-addresses {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.address-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.03);
    border: 1px dashed var(--border-hi);
    border-radius: var(--radius-sm);
    padding: 1rem 1.5rem;
    transition: background 0.2s;
}

.address-box:hover {
    background: rgba(255,255,255,0.06);
}

.coin-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 10px;
    border-radius: 100px;
}

.coin-label.btc { background: rgba(245, 166, 35, 0.15); color: var(--gold); }
.coin-label.dog { background: rgba(34, 211, 161, 0.15); color: var(--green); }

.wallet-address {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-1);
    user-select: all;
    cursor: copy;
}

/* ── Responsive ──────────────────────────────────────── */

@media (max-width: 900px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .header-inner { flex-wrap: wrap; gap: 0.75rem; }
    .main-content { padding: 1rem; }
}