/* Arb Scanner — общие стили */
:root {
  --bg: #0f1419;
  --card: #1a2332;
  --border: #2d3a4d;
  --text: #e6edf3;
  --muted: #8b949e;
  --green: #3fb950;
  --red: #f85149;
  --orange: #d29922;
  --accent: #58a6ff;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 20px;
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

nav, .top-nav {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 20px;
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.top-nav { margin-bottom: 20px; }
nav a, .top-nav a {
  padding: 8px 14px;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
}
nav a:hover {
  background: var(--border);
  text-decoration: none;
}
nav a.active {
  background: var(--accent);
  color: var(--bg);
}

h1 {
  font-size: 1.5rem;
  margin: 0 0 8px 0;
  color: var(--text);
}
.subtitle {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

/* Фильтры */
.filters {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
}
.filters label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--muted);
}
.filters input, .filters select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  min-width: 100px;
}
.filters button {
  padding: 8px 18px;
  border-radius: 6px;
  border: none;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  cursor: pointer;
}
.filters button:hover {
  opacity: 0.9;
}
.filters button.secondary {
  background: var(--border);
  color: var(--text);
}
.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.filter-label {
  font-size: 0.85rem;
  color: var(--muted);
}
/* Выпадающий список бирж */
.exchange-dropdown-wrap {
  position: relative;
}
.exchange-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  min-width: 140px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  cursor: pointer;
  text-align: left;
}
.exchange-trigger:hover {
  border-color: var(--accent);
  background: rgba(88, 166, 255, 0.08);
}
.exchange-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 6px;
  min-width: 220px;
  max-height: 280px;
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 20;
  padding: 10px 12px;
}
.exchange-dropdown[hidden] {
  display: none !important;
}
.exchange-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 256px;
  overflow-y: auto;
}
.exchange-checkboxes label.exchange-checkbox {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text);
  padding: 6px 8px;
  border-radius: 4px;
}
.exchange-checkboxes label.exchange-checkbox:hover {
  background: rgba(255, 255, 255, 0.05);
}
.exchange-checkboxes label.exchange-checkbox input {
  margin-right: 10px;
  flex-shrink: 0;
}

/* Таблица */
.table-wrap {
  overflow-x: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
}
/* Funding page: force horizontal scroll for wide matrix */
.funding-table-wrap {
  overflow-x: scroll;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}
#funding-table {
  min-width: 1500px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th {
  background: rgba(0,0,0,0.2);
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}
tr:hover {
  background: rgba(255,255,255,0.03);
}
.spread {
  color: var(--green);
  font-weight: 600;
}
.volume {
  color: var(--muted);
  font-size: 0.85rem;
}
.funding {
  color: var(--orange);
  font-size: 0.85rem;
}
.network {
  font-size: 0.85rem;
  color: var(--muted);
}
.exchange-cell a.exchange-link {
  color: var(--accent);
  text-decoration: none;
}
.exchange-cell a.exchange-link:hover {
  text-decoration: underline;
}
.history-link {
  color: var(--accent);
}
.history-link:hover {
  text-decoration: underline;
}
.empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
}
.last-update {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 12px;
}

/* Кнопка обновления данных */
.refresh-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.refresh-bar button {
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
}
.refresh-bar button:hover {
  background: var(--border);
}
.refresh-bar .status {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Пагинация */
.pagination {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 16px 0;
  padding: 12px 0;
}
.pagination-info {
  font-size: 0.9rem;
  color: var(--muted);
  margin-right: 8px;
}
.pagination-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.pagination-buttons button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  font-size: 0.85rem;
}
.pagination-buttons button:hover {
  background: var(--border);
}
.pagination-buttons button.current {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

/* Баннер про сеть (Spot-Spot) */
.network-notice {
  background: rgba(88, 166, 255, 0.1);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

/* История спреда */
.history-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

/* Сигналы */
.signals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}
.signal-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}
.signal-card.fresh {
  border-color: #22c55e;
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.35), 0 0 22px rgba(34, 197, 94, 0.15);
  background: linear-gradient(180deg, rgba(34, 197, 94, 0.10), rgba(26, 35, 50, 1) 45%);
}
.signal-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}
.signal-fresh-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 6px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #052e16;
  background: #4ade80;
}
.signal-kind-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 6px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
}
.signal-kind-badge.spread {
  color: #082f49;
  background: #7dd3fc;
}
.signal-kind-badge.fair {
  color: #3f0f0f;
  background: #fca5a5;
}
.signal-spread {
  color: var(--green);
  font-weight: 700;
}
.signal-row {
  font-size: 0.9rem;
  margin: 4px 0;
}
.signal-row .k {
  color: var(--muted);
  display: inline-block;
  min-width: 72px;
}
.signal-foot {
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--muted);
}
.muted {
  color: var(--muted);
}
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}
.chart-wrap {
  position: relative;
  height: 360px;
}
#spread-chart {
  width: 100%;
  height: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #111a27;
  overflow: hidden;
}
#prices-chart {
  width: 100%;
  height: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #111a27;
  overflow: hidden;
}
#convergence-chart {
  width: 100%;
  height: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #111a27;
  overflow: hidden;
}
.meta-list {
  display: grid;
  gap: 8px;
  font-size: 0.92rem;
}
.history-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.history-toolbar button {
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
}
.history-toolbar button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}
.meta-list .k {
  color: var(--muted);
}
@media (max-width: 980px) {
  .history-grid {
    grid-template-columns: 1fr;
  }
}

@keyframes price-changed-flash {
  0% {
    background-color: rgba(88, 166, 255, 0.28);
  }
  100% {
    background-color: transparent;
  }
}
td.price.price-changed {
  animation: price-changed-flash 0.75s ease-out 1;
}