/* ─── RESET & VARIABLES ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-base: #030508;
  --bg-card: #080d14;
  --bg-card-hover: #0d1520;
  --bg-panel: #060b10;
  --border: rgba(0, 200, 255, 0.12);
  --border-bright: rgba(0, 200, 255, 0.35);
  --border-coin: rgba(247, 147, 26, 0.4);

  --accent-coin: #f7931a;
  --accent-btc: #f7931a;
  --accent-eth: #627eea;
  --accent-zec: #ecb244;
  --accent-xrp: #346aa9;

  --text-primary: #cde8f5;
  --text-muted: #3a6070;
  --text-dim: #1e3d50;

  --positive: #00ff88;
  --negative: #ff3b5c;
  --positive-dim: rgba(0, 255, 136, 0.1);
  --negative-dim: rgba(255, 59, 92, 0.1);
  --rsi-ob: rgba(255, 59, 92, 0.15);
  --rsi-os: rgba(0, 255, 136, 0.1);
  --rsi-line: #b48aff;

  --font-display: 'Orbitron', monospace;
  --font-body: 'Rajdhani', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
}

/* ─── BASE ───────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 17px;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Atmosphere */
.scanline {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.05) 2px, rgba(0,0,0,0.05) 4px);
  pointer-events: none; z-index: 9999;
  animation: scanMove 10s linear infinite;
}
@keyframes scanMove { 0% { background-position: 0 0; } 100% { background-position: 0 40px; } }

.noise {
  position: fixed; top: -50%; left: -50%; width: 200%; height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 9998; opacity: 0.35;
}

body::before {
  content: '';
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background-image:
    linear-gradient(rgba(0,200,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none; z-index: 0;
}

main, header { position: relative; z-index: 1; }

/* ─── HEADER ─────────────────────────────────────────────────── */
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 36px;
  border-bottom: 1px solid var(--border);
  background: rgba(3, 5, 8, 0.96);
  backdrop-filter: blur(16px);
  position: sticky; top: 0; z-index: 100;
}
header::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-coin), transparent);
  opacity: 0.35;
}

.header-left { display: flex; flex-direction: column; gap: 3px; }

.logo-block {
  display: flex; align-items: center; gap: 4px;
  font-family: var(--font-display); font-size: 22px; font-weight: 900; letter-spacing: 4px;
}
.logo-bracket { color: var(--accent-coin); opacity: 0.7; }
.logo-text { color: var(--text-primary); text-shadow: 0 0 20px rgba(205,232,245,0.4); }
.header-sub { font-family: var(--font-mono); font-size: 9px; color: var(--text-muted); letter-spacing: 3px; padding-left: 14px; }

.header-center { display: flex; align-items: center; gap: 10px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-dim); transition: all 0.5s; }
.status-dot.live { background: var(--positive); box-shadow: 0 0 14px var(--positive); animation: pulse 2s infinite; }
.status-dot.error { background: var(--negative); box-shadow: 0 0 14px var(--negative); }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.35} }
.status-text { font-family: var(--font-mono); font-size: 13px; color: var(--text-muted); letter-spacing: 2px; }

.header-right { display: flex; align-items: center; gap: 20px; }
.last-update { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.last-update .label { font-family: var(--font-mono); font-size: 10px; color: var(--text-dim); letter-spacing: 2px; }
.last-update .value { font-size: 16px; color: var(--text-muted); }
.mono { font-family: var(--font-mono); }

.refresh-btn {
  background: transparent; border: 1px solid var(--border); color: var(--text-muted);
  padding: 8px 10px; cursor: pointer; transition: all 0.2s; display: flex; align-items: center;
}
.refresh-btn:hover { border-color: var(--accent-coin); color: var(--accent-coin); box-shadow: 0 0 14px rgba(247,147,26,0.2); }
.refresh-btn.spinning svg { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── MAIN ───────────────────────────────────────────────────── */
main { padding: 12px 36px; max-width: 1800px; margin: 0 auto; }

/* ─── COIN PICKER SECTION ────────────────────────────────────── */
.coin-picker-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  margin-bottom: 16px;
  overflow: hidden;
}

.coin-picker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  flex-wrap: wrap;
}

.coin-picker-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.picker-label {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text-primary);
}

.picker-sub {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.coin-picker-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 10px;
  color: var(--text-muted);
  pointer-events: none;
}

.coin-search {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 12px 8px 32px;
  font-family: var(--font-mono);
  font-size: 12px;
  width: 220px;
  transition: border-color 0.2s;
  color-scheme: dark;
}

.coin-search::placeholder { color: var(--text-dim); }
.coin-search:focus { outline: none; border-color: var(--accent-coin); }

.reset-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 14px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  transition: all 0.2s;
}
.reset-btn:hover { border-color: var(--negative); color: var(--negative); }

/* ─── DROPDOWN LIST ──────────────────────────────────────────── */
.coin-dropdown-wrap {
  padding: 8px 20px;
  border-bottom: 1px solid var(--border);
}

.coin-dropdown {
  position: relative;
}

.dropdown-loading {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 0;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 3px;
}
.dropdown-loading.hidden { display: none; }

.dropdown-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 130px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.dropdown-list::-webkit-scrollbar { width: 4px; }
.dropdown-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  transition: all 0.15s;
  user-select: none;
  white-space: nowrap;
}

.dropdown-item:hover {
  border-color: var(--accent-coin);
  color: var(--text-primary);
  background: rgba(247, 147, 26, 0.06);
}

.dropdown-item.selected {
  border-color: var(--accent-coin);
  color: var(--accent-coin);
  background: rgba(247, 147, 26, 0.08);
}

.dropdown-item.disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

.dropdown-item.selected.disabled {
  opacity: 1;
  pointer-events: auto;
}

.item-rank {
  font-size: 9px;
  color: var(--text-dim);
  min-width: 20px;
  text-align: right;
}

.item-symbol {
  font-weight: 700;
  font-size: 12px;
}

.item-name {
  font-size: 10px;
  color: var(--text-dim);
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-check {
  font-size: 10px;
  color: var(--accent-coin);
  margin-left: 2px;
}

/* ─── SELECTED COINS BAR ─────────────────────────────────────── */
.selected-coins-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  flex-wrap: wrap;
}

.selected-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 3px;
  white-space: nowrap;
}

.selected-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}

.selected-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--border-coin);
  background: rgba(247, 147, 26, 0.06);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-coin);
  transition: all 0.2s;
  position: relative;
}

.selected-tab.active-chart {
  background: var(--accent-coin);
  color: #000;
  font-weight: 700;
}

.selected-tab .tab-remove {
  font-size: 11px;
  opacity: 0.5;
  margin-left: 2px;
  line-height: 1;
}

.selected-tab:hover .tab-remove { opacity: 1; }

.selected-count {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  white-space: nowrap;
  margin-left: auto;
}

/* ─── CHART COIN BAR (coin selector + period) ────────────────── */
.chart-coin-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.chart-coin-tabs {
  display: flex;
  gap: 4px;
}

.chart-coin-tab {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 14px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  transition: all 0.2s;
}

.chart-coin-tab:hover { border-color: var(--accent-coin); color: var(--accent-coin); }

.chart-coin-tab.active {
  background: var(--accent-coin);
  border-color: var(--accent-coin);
  color: #000;
  font-weight: 700;
}

/* ─── PERIOD BAR (reused classes) ────────────────────────────── */
.period-label { font-family: var(--font-mono); font-size: 9px; color: var(--text-dim); letter-spacing: 3px; }
.period-btns { display: flex; gap: 4px; }
.period-btn {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); padding: 6px 14px; cursor: pointer;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; transition: all 0.2s;
}
.period-btn:hover { border-color: var(--accent-coin); color: var(--accent-coin); }
.period-btn.active { background: var(--accent-coin); border-color: var(--accent-coin); color: #000; font-weight: 700; }
.period-divider { color: var(--border); font-size: 18px; }
.date-range { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.date-label { font-family: var(--font-mono); font-size: 9px; color: var(--text-dim); letter-spacing: 2px; }
.date-input {
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-primary); padding: 6px 10px;
  font-family: var(--font-mono); font-size: 11px; transition: border-color 0.2s; color-scheme: dark;
}
.date-input:focus { outline: none; border-color: var(--accent-coin); }
.apply-btn {
  background: transparent; border: 1px solid var(--border-coin);
  color: var(--accent-coin); padding: 6px 16px; cursor: pointer;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px; transition: all 0.2s;
}
.apply-btn:hover { background: var(--accent-coin); color: #000; }


.cards-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 12px; margin-bottom: 20px;
}
.price-card {
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 20px; position: relative; overflow: hidden;
  cursor: pointer; transition: all 0.25s;
  animation: fadeInUp 0.5s ease both;
}
.price-card:nth-child(1){animation-delay:.05s}
.price-card:nth-child(2){animation-delay:.10s}
.price-card:nth-child(3){animation-delay:.15s}
.price-card:nth-child(4){animation-delay:.20s}
@keyframes fadeInUp { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }

.price-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 3px; height: 100%; background: var(--accent-coin);
  opacity: 0; transition: opacity 0.25s;
}
.price-card.active::before, .price-card:hover::before { opacity: 1; }
.price-card.active { border-color: var(--border-coin); background: var(--bg-card-hover); }

.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.card-label { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); letter-spacing: 2px; }
.card-badge { font-family: var(--font-mono); font-size: 10px; letter-spacing: 1px; color: var(--accent-coin); border: 1px solid currentColor; padding: 2px 6px; opacity: 0.7; }
.card-price { font-family: var(--font-mono); font-size: 26px; color: var(--text-primary); margin-bottom: 6px; min-height: 30px; }
.card-change { font-family: var(--font-mono); font-size: 16px; margin-bottom: 14px; min-height: 20px; }
.card-change.positive { color: var(--positive); }
.card-change.negative { color: var(--negative); }
.card-meta { display: flex; gap: 16px; padding-top: 12px; border-top: 1px solid var(--border); }
.meta-item { display: flex; flex-direction: column; gap: 2px; }
.meta-label { font-family: var(--font-mono); font-size: 10px; color: var(--text-dim); letter-spacing: 2px; }
.meta-value { font-size: 13px; color: var(--text-muted); }

/* Skeleton */
.skeleton-line {
  display: inline-block; height: 1em;
  background: linear-gradient(90deg, var(--bg-panel) 25%, rgba(0,200,255,0.06) 50%, var(--bg-panel) 75%);
  background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 2px;
}
.w60{width:60%} .w40{width:40%}
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ─── CARDS ──────────────────────────────────────────────────── */
.charts-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 24px;
}

.chart-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 28px 32px 24px;
  width: 100%;
  animation: fadeInUp 0.5s ease both;
}

.chart-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px; gap: 20px;
}

.chart-title {
  display: flex; align-items: center; gap: 20px;
}

.chart-index {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 900;
  color: var(--accent-coin);
  opacity: 0.12;
  line-height: 1;
  user-select: none;
  min-width: 56px;
}

.chart-title > div {
  display: flex; flex-direction: column; gap: 4px;
}

.chart-label {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--text-primary);
}

.chart-sublabel {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 2px;
}

.chart-stats { display: flex; gap: 28px; }
.stat-item { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; }
.stat-label { font-family: var(--font-mono); font-size: 10px; color: var(--text-dim); letter-spacing: 2px; }
.stat-value { font-family: var(--font-mono); font-size: 16px; }
.stat-value.positive { color: var(--positive); }
.stat-value.negative { color: var(--negative); }

/* ─── CHART TYPE TOGGLE ──────────────────────────────────────── */
.chart-header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.chart-type-toggle {
  display: flex;
  gap: 2px;
  border: 1px solid var(--border);
  padding: 2px;
  flex-shrink: 0;
}

.type-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 6px 9px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  line-height: 0;
}

.type-btn:hover {
  color: var(--accent-coin);
  background: rgba(247,147,26,0.08);
}

.type-btn.active {
  background: var(--accent-coin);
  color: #000;
}

.type-btn.active svg { stroke: #000; }

/* ─── DIVERGENCE BUTTON ──────────────────────────────────────── */
.div-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 5px 10px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  transition: all 0.2s;
  flex-shrink: 0;
}

.div-btn:hover {
  border-color: #b48aff;
  color: #b48aff;
}

.div-btn.active {
  background: #b48aff;
  border-color: #b48aff;
  color: #000;
}

.div-btn.active svg { stroke: #000; fill: #000; }

/* Price chart canvas area */
.chart-wrapper {
  position: relative;
  height: 300px;
  margin-bottom: 0;
}

.chart-loading {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  background: var(--bg-card); z-index: 10;
  font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); letter-spacing: 3px;
  transition: opacity 0.3s;
}
.chart-loading.hidden { opacity: 0; pointer-events: none; }

.loading-bar { width: 140px; height: 2px; background: var(--border); position: relative; overflow: hidden; }
.loading-bar::after {
  content: ''; position: absolute; top: 0; left: -40%; width: 40%; height: 100%;
  background: var(--accent-coin); animation: loadSlide 1s ease-in-out infinite;
}
@keyframes loadSlide { 0%{left:-40%} 100%{left:100%} }

/* ─── RSI PANEL ──────────────────────────────────────────────── */
.rsi-panel {
  border-top: 1px solid var(--border);
  margin-top: 16px;
  padding-top: 16px;
}

.rsi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  gap: 16px;
  flex-wrap: wrap;
}

.rsi-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 2px;
}

.rsi-legend {
  display: flex;
  gap: 16px;
}

.rsi-zone-ob { font-family: var(--font-mono); font-size: 11px; color: var(--negative); letter-spacing: 1px; }
.rsi-zone-mid { font-family: var(--font-mono); font-size: 11px; color: var(--rsi-line); letter-spacing: 1px; }
.rsi-zone-os { font-family: var(--font-mono); font-size: 11px; color: var(--positive); letter-spacing: 1px; }

.rsi-chart-wrapper {
  height: 110px;
  position: relative;
}

/* RSI value badge in stat row */
.stat-value.rsi-ob  { color: var(--negative); }
.stat-value.rsi-ok  { color: var(--rsi-line); }
.stat-value.rsi-os  { color: var(--positive); }

/* ─── HISTORY TABLE ──────────────────────────────────────────── */
.history-section { background: var(--bg-card); border: 1px solid var(--border); margin-bottom: 40px; }
.history-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; border-bottom: 1px solid var(--border); }
.history-title { font-family: var(--font-display); font-size: 13px; letter-spacing: 2px; color: var(--text-primary); }
.history-coin { font-family: var(--font-mono); font-size: 13px; color: var(--accent-coin); }

.table-wrapper { overflow-x: auto; max-height: 380px; overflow-y: auto; }
.history-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 14px; }
.history-table thead { position: sticky; top: 0; background: var(--bg-panel); z-index: 2; }
.history-table th { padding: 10px 24px; text-align: left; font-size: 11px; letter-spacing: 3px; color: var(--text-dim); border-bottom: 1px solid var(--border); white-space: nowrap; }
.history-table td { padding: 10px 24px; border-bottom: 1px solid rgba(0,200,255,0.04); color: var(--text-muted); white-space: nowrap; transition: background 0.15s; }
.history-table tbody tr:hover td { background: rgba(0,200,255,0.03); }
.history-table td.price-cell { color: var(--text-primary); }
.history-table td.positive { color: var(--positive); }
.history-table td.negative { color: var(--negative); }

.signal-badge { display: inline-block; padding: 2px 8px; font-size: 11px; letter-spacing: 2px; border: 1px solid currentColor; }
.signal-badge.up { color: var(--positive); background: var(--positive-dim); }
.signal-badge.down { color: var(--negative); background: var(--negative-dim); }
.table-loading { text-align: center; padding: 40px !important; color: var(--text-dim) !important; font-family: var(--font-mono); font-size: 12px; letter-spacing: 3px; }

/* ─── ERROR TOAST ────────────────────────────────────────────── */
.error-toast {
  position: fixed; bottom: 24px; right: 24px;
  background: #1a0508; border: 1px solid var(--negative);
  padding: 14px 18px; display: none; align-items: center; gap: 12px;
  box-shadow: 0 0 30px rgba(255,59,92,0.2); z-index: 10000;
  animation: slideIn 0.3s ease;
}
.error-toast.visible { display: flex; }
@keyframes slideIn { from{transform:translateY(20px);opacity:0} to{transform:translateY(0);opacity:1} }
.error-icon { color: var(--negative); font-size: 16px; }
.error-msg { font-family: var(--font-mono); font-size: 13px; color: var(--text-primary); }
.error-retry { background: var(--negative); border: none; color: #fff; padding: 4px 12px; cursor: pointer; font-family: var(--font-mono); font-size: 12px; letter-spacing: 1px; }
.error-close { background: transparent; border: none; color: var(--text-muted); cursor: pointer; font-size: 14px; }

/* ─── COIN COLOR VARIANTS ────────────────────────────────────── */
[data-active-coin="BTC"] { --accent-coin: #f7931a; --border-coin: rgba(247,147,26,0.4); }
[data-active-coin="ETH"] { --accent-coin: #627eea; --border-coin: rgba(98,126,234,0.4); }
[data-active-coin="ZEC"] { --accent-coin: #ecb244; --border-coin: rgba(236,178,68,0.4); }
[data-active-coin="XRP"] { --accent-coin: #346aa9; --border-coin: rgba(52,106,169,0.4); }

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .chart-stats { gap: 16px; }
}
@media (max-width: 768px) {
  header { padding: 14px 16px; }
  .header-sub, .header-center { display: none; }
  main { padding: 14px 16px; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .card-price { font-size: 20px; }
  .chart-panel { padding: 18px 16px; }
  .chart-index { display: none; }
  .chart-stats { gap: 10px; }
  .rsi-legend { display: none; }
  .chart-wrapper { height: 220px; }
  .chart-coin-bar { gap: 8px; }
  .period-divider { display: none; }
  .coin-search { width: 160px; }
  .item-name { display: none; }
  .dropdown-list { max-height: 100px; }
}
@media (max-width: 480px) {
  .cards-grid { grid-template-columns: 1fr; }
  .chart-stats { flex-wrap: wrap; justify-content: flex-end; }
  .coin-picker-header { flex-direction: column; align-items: flex-start; }
}