:root {
  --bg: #0f1424;
  --panel: #1a2036;
  --panel-2: #222a47;
  --text: #e8ecf5;
  --muted: #9aa3bd;
  --accent: #4ea1ff;
  --accent-2: #7c5cff;
  --good: #2ecc71;
  --warn: #f1c40f;
  --bad: #e74c3c;
  --border: #2c3557;
  --radius: 12px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  background: linear-gradient(90deg, #161c33, #1d2540);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.topbar h1 { margin: 0; font-size: 20px; font-weight: 700; }
.topbar .sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.topbar footer { border-top: 1px solid var(--border); border-bottom: 0; }
.topbar footer p { margin: 8px 0 0; color: var(--muted); font-size: 12px; }

.brand { display: flex; flex-direction: column; }
.header-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.last-update { color: var(--muted); font-size: 13px; }

main { max-width: 1300px; margin: 0 auto; padding: 20px; }

.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: filter .15s;
}
.btn:hover { filter: brightness(1.1); }
.btn.ghost { background: var(--panel-2); color: var(--text); }

/* KPI cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.kpi {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.kpi .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.kpi .value { font-size: 26px; font-weight: 700; margin-top: 6px; }
.kpi .delta { font-size: 12px; margin-top: 4px; }
.delta.up { color: var(--good); }
.delta.down { color: var(--bad); }

/* Panels */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 20px;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.panel-head h2 { margin: 0; font-size: 16px; }
.filters, .table-tools {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.filters label, .table-tools select, .table-tools input {
  font-size: 13px;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
}
.filters input { accent-color: var(--accent); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.chart-wrap { position: relative; height: 320px; }

.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
th { color: var(--muted); font-weight: 600; position: sticky; top: 0; background: var(--panel); }
tbody tr:hover { background: var(--panel-2); }
.table-note { color: var(--muted); font-size: 12px; margin: 10px 0 0; }

/* News */
.news-list { display: grid; gap: 12px; }
.news-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}
.news-item img {
  width: 110px;
  height: 74px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
  background: #000;
}
.news-body { min-width: 0; flex: 1; }
.news-title { font-weight: 600; font-size: 14px; }
.news-title a { color: var(--accent); text-decoration: none; }
.news-title a:hover { text-decoration: underline; }
.news-meta { color: var(--muted); font-size: 12px; margin: 2px 0; }
.news-summary { color: var(--text); font-size: 13px; }
.news-source { color: var(--accent-2); font-size: 12px; }

code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }

.gate {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}
.gate-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.gate-card h2 { margin: 0; }
.gate-card input[type="password"] {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  color: var(--text);
  font-size: 14px;
}
.gate-error { color: var(--bad); font-size: 13px; min-height: 16px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.form-grid input, .form-grid textarea {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
}
.form-grid textarea { resize: vertical; }
.form-actions { grid-column: 1 / -1; display: flex; gap: 10px; }
.header-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.nav-link {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 13px;
}
.nav-link:hover {
  color: var(--text);
  background: var(--panel-2);
}
.nav-link.active {
  color: var(--text);
  border-color: var(--border);
  background: linear-gradient(180deg, rgba(59,130,246,0.25), transparent);
}