:root {
  --bg: #0c0f14;
  --panel: #141821;
  --panel-2: #1b2030;
  --border: #232a3b;
  --text: #e6ebf2;
  --muted: #8b95a8;
  --accent: #4ea3ff;
  --green: #2fc77a;
  --orange: #f0a04b;
  --red: #ef5b5b;
  --gray: #5a637a;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  min-height: 100vh;
}

header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { margin: 0; font-size: 18px; font-weight: 600; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--gray); transition: background 0.3s; }
.dot.live { background: var(--green); box-shadow: 0 0 8px var(--green); }
.dot.dead { background: var(--red); }
.env-badge {
  background: var(--panel-2); border: 1px solid var(--border);
  padding: 2px 8px; border-radius: 12px; font-size: 11px; color: var(--muted);
  text-transform: uppercase;
}

nav { display: flex; gap: 16px; }
nav a { color: var(--muted); text-decoration: none; padding: 6px 10px; border-radius: 6px; }
nav a:hover { color: var(--text); background: var(--panel-2); }
nav a.active { color: var(--accent); }

main { max-width: 1400px; margin: 0 auto; padding: 24px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; box-shadow: var(--shadow);
}
.card .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.card .value { font-size: 28px; font-weight: 700; margin: 6px 0 4px; }
.card .sub { color: var(--muted); font-size: 12px; }

.chains {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 8px;
  margin-bottom: 24px;
}
.chain-pill {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; font-size: 12px;
}
.chain-pill .net { font-weight: 600; text-transform: uppercase; font-size: 11px; color: var(--accent); }
.chain-pill .blk { color: var(--muted); }
.chain-pill.error { border-color: var(--red); }

.feed {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: var(--shadow); overflow: hidden;
}
.feed-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
}
.feed-header h2 { margin: 0; font-size: 16px; font-weight: 600; }
.filters { display: flex; gap: 12px; align-items: center; font-size: 12px; color: var(--muted); }
.filters select, .filters button, .filters input[type="search"] {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 4px 8px; border-radius: 6px;
}
.filters button { cursor: pointer; }

.feed-list { max-height: calc(100vh - 380px); overflow-y: auto; }

.tx-row {
  display: grid;
  grid-template-columns: 80px 90px 90px 1fr 110px 130px 130px 100px 120px;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  align-items: center;
  font-size: 13px;
  animation: fadeIn 0.3s ease-out;
}
.tx-row.unknown { background: rgba(240, 160, 75, 0.06); }
.tx-row.spam { opacity: 0.4; }
.tx-row.assigned { background: rgba(47, 199, 122, 0.04); }

.tx-time { color: var(--muted); font-variant-numeric: tabular-nums; }
.tx-net { font-size: 11px; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.tx-status {
  display: inline-block; padding: 2px 6px; border-radius: 4px; font-size: 10px;
  font-weight: 600; text-transform: uppercase;
}
.tx-status.detected { background: rgba(47, 199, 122, 0.2); color: var(--green); }
.tx-status.unknown_sender { background: rgba(240, 160, 75, 0.2); color: var(--orange); }
.tx-status.assigned { background: rgba(47, 199, 122, 0.2); color: var(--green); }
.tx-status.spam { background: rgba(90, 99, 122, 0.2); color: var(--gray); }
.tx-asset { font-weight: 600; }
.tx-amount { font-weight: 600; font-variant-numeric: tabular-nums; }
.tx-usd { color: var(--muted); font-size: 11px; }
.tx-fee { color: var(--green); font-variant-numeric: tabular-nums; font-size: 12px; }
.tx-client { font-weight: 600; }
.tx-from { font-family: ui-monospace, "SF Mono", monospace; color: var(--muted); font-size: 11px; }
.tx-actions { display: flex; gap: 4px; }
.tx-actions button, .tx-actions a {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 3px 8px; border-radius: 4px; font-size: 11px; cursor: pointer; text-decoration: none;
}
.tx-actions button:hover, .tx-actions a:hover { background: var(--accent); border-color: var(--accent); color: white; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

dialog {
  background: var(--panel); color: var(--text); border: 1px solid var(--border);
  border-radius: 10px; padding: 20px; min-width: 360px; box-shadow: var(--shadow);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.5); }
dialog h3 { margin: 0 0 12px; }
dialog input { width: 100%; margin-bottom: 12px; padding: 6px 10px; }
.client-list { list-style: none; padding: 0; margin: 0; max-height: 300px; overflow-y: auto; }
.client-list li {
  padding: 8px 12px; cursor: pointer; border-radius: 6px;
}
.client-list li:hover { background: var(--panel-2); }
.dialog-actions { display: flex; justify-content: flex-end; margin-top: 12px; }
.dialog-actions button {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 6px 14px; border-radius: 6px; cursor: pointer;
}

@media (max-width: 1100px) {
  .tx-row { grid-template-columns: 60px 80px 1fr 110px 110px 100px; font-size: 12px; }
  .tx-fee, .tx-from, .tx-net { display: none; }
}

.analytics-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
  margin-bottom: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}
.analytics-filters label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}
.analytics-filters select,
.analytics-filters input,
.analytics-filters button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  min-width: 140px;
}
.analytics-filters button {
  cursor: pointer;
  min-width: auto;
}

.analytics-cards {
  margin-bottom: 16px;
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 14px;
  margin-bottom: 16px;
}
.panel h2 {
  margin: 0 0 12px;
  font-size: 15px;
}

.bar-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.bar-row {
  display: grid;
  grid-template-columns: 95px 1fr 130px;
  gap: 10px;
  align-items: center;
  font-size: 12px;
}
.bar-label { color: var(--muted); }
.bar-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: var(--panel-2);
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), #8e9bff);
}
.bar-value {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.sparkline {
  width: 100%;
  height: 160px;
  display: block;
}
.spark-area {
  fill: rgba(78, 163, 255, 0.16);
}
.spark-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
}
.spark-meta {
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
}

.chip-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}
.chip {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
}
.chip-label {
  color: var(--muted);
  font-size: 11px;
}
.chip-value {
  font-size: 18px;
  font-weight: 700;
  margin-top: 2px;
}
.chip-sub {
  color: var(--muted);
  font-size: 11px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
}
.metric-grid div {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 12px;
}
.metric-grid span { color: var(--muted); }
.metric-grid strong { font-variant-numeric: tabular-nums; }

.mini-bars {
  height: 170px;
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  gap: 4px;
  align-items: end;
}
.mini-bar {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  gap: 4px;
}
.mini-fill {
  width: 100%;
  min-height: 4px;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, #8e9bff, var(--accent));
}
.mini-label {
  color: var(--muted);
  font-size: 10px;
}

.analytics-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.analytics-table thead {
  background: var(--panel-2);
}
.analytics-table th,
.analytics-table td {
  padding: 8px;
  border-bottom: 1px solid var(--border);
}
.analytics-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
}
.analytics-table td.right,
.analytics-table th.right {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.empty {
  color: var(--muted);
  font-size: 12px;
  padding: 8px 0;
}

.alert-banner {
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid rgba(239, 91, 91, 0.5);
  background: rgba(239, 91, 91, 0.12);
  color: #ffb5b5;
  font-size: 13px;
}