:root {
  --bg: #0e1520;
  --panel: #161f2e;
  --panel2: #1c2838;
  --border: #263449;
  --text: #e6edf5;
  --muted: #8aa0b8;
  --accent: #3da9fc;
  --accent2: #00d1b2;
  --warn: #f7b955;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  min-height: 100vh;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px; border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 22px; color: #04121f;
}
h1 { margin: 0; font-size: 20px; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.meta { display: flex; gap: 10px; }
.chip {
  background: var(--panel2); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 999px; font-size: 13px; color: var(--muted);
}

.tabs {
  display: flex; gap: 4px; padding: 12px 28px 0;
  background: var(--bg);
}
.tab {
  background: none; border: 1px solid var(--border); border-bottom: none;
  color: var(--muted); padding: 10px 20px; cursor: pointer;
  border-radius: 8px 8px 0 0; font-size: 15px;
}
.tab.active { background: var(--panel); color: var(--text); border-color: var(--border); }

main { padding: 24px 28px 60px; }
.panel { display: none; }
.panel.active { display: block; }

.hero { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 20px; }
.stat {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 22px; text-align: center;
}
.stat .num { font-size: 34px; font-weight: 800; color: var(--accent); }
.stat .lbl { color: var(--muted); font-size: 13px; margin-top: 4px; }

.grid { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; margin-bottom: 20px; }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px;
}
.card h2 { margin: 0 0 14px; font-size: 16px; }
.card.wide { grid-column: auto; }

.bar-chart { display: flex; flex-direction: column; gap: 7px; max-height: 480px; overflow-y: auto; }
.bar-row { display: grid; grid-template-columns: 220px 1fr 70px; align-items: center; gap: 10px; }
.bar-row .name { font-size: 13px; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-row .track { background: var(--panel2); border-radius: 6px; height: 16px; overflow: hidden; }
.bar-row .fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); border-radius: 6px; }
.bar-row .val { font-size: 12px; color: var(--muted); text-align: right; }

.search-box { margin-bottom: 10px; }
.search-box input, .browser-controls input, .chat-input input {
  width: 100%; background: var(--panel2); border: 1px solid var(--border);
  color: var(--text); padding: 10px 12px; border-radius: 8px; font-size: 14px;
}
.bp-list { list-style: none; margin: 0; padding: 0; max-height: 480px; overflow-y: auto; }
.bp-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 12px; border-bottom: 1px solid var(--border);
  cursor: pointer; font-size: 14px;
}
.bp-list li:hover { background: var(--panel2); }
.bp-list .count {
  background: var(--panel2); border: 1px solid var(--border);
  padding: 2px 9px; border-radius: 999px; font-size: 12px; color: var(--muted);
}

.browser-controls { display: flex; gap: 10px; margin-bottom: 12px; }
.browser-controls select {
  background: var(--panel2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; border-radius: 8px; font-size: 14px; min-width: 260px;
}
.table-wrap { overflow-x: auto; max-height: 480px; overflow-y: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); position: sticky; top: 0; background: var(--panel); }
td { color: var(--text); max-width: 360px; overflow: hidden; text-overflow: ellipsis; }
.table-foot { color: var(--muted); font-size: 13px; margin-top: 10px; }

.chat-container { display: flex; flex-direction: column; height: calc(100vh - 210px); }
.chat-log { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 72%; padding: 12px 16px; border-radius: 14px; font-size: 14px; line-height: 1.5; white-space: pre-wrap; }
.msg.user { align-self: flex-end; background: var(--accent); color: #04121f; border-bottom-right-radius: 4px; }
.msg.bot { align-self: flex-start; background: var(--panel2); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.chat-input { display: flex; gap: 10px; padding: 14px; border-top: 1px solid var(--border); }
.chat-input input { flex: 1; }
.chat-input button {
  background: var(--accent); color: #04121f; border: none; border-radius: 8px;
  padding: 10px 22px; font-weight: 600; cursor: pointer; font-size: 14px;
}
.chat-input button:hover { filter: brightness(1.1); }

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .hero { grid-template-columns: 1fr; }
  .bar-row { grid-template-columns: 130px 1fr 56px; }
}