:root {
  --bg: #0b0e14; --panel: #131824; --panel2: #1a2132; --border: #232c41;
  --text: #c9d1d9; --muted: #7d8799; --accent: #4cc38a; --accent2: #58a6ff;
  --bad: #e5534b; --warn: #d29922;
}
* { box-sizing: border-box; margin: 0; }
body { background: var(--bg); color: var(--text); font: 14px/1.5 system-ui, "Segoe UI", sans-serif; }
a { color: var(--accent2); text-decoration: none; }
.topbar { display: flex; align-items: center; gap: 20px; padding: 10px 22px;
  background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10; }
.logo { font-weight: 700; font-size: 16px; letter-spacing: .4px; }
.logo span { color: var(--accent); }
.topbar nav { display: flex; gap: 14px; flex: 1; }
.topbar nav a { color: var(--muted); padding: 4px 8px; border-radius: 6px; }
.topbar nav a.active, .topbar nav a:hover { color: var(--text); background: var(--panel2); }
.userbox { color: var(--muted); font-size: 13px; display: flex; gap: 10px; align-items: center; }
main { max-width: 1240px; margin: 0 auto; padding: 20px 22px 60px; }
h2 { font-size: 17px; margin: 6px 0 14px; font-weight: 600; }
h3 { font-size: 14px; margin: 4px 0 10px; color: var(--muted); font-weight: 600; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 16px; cursor: pointer; transition: border-color .15s; }
.card:hover { border-color: var(--accent2); }
.card .city { font-weight: 600; font-size: 15px; }
.card .sub { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.badge { float: right; font-size: 12px; padding: 2px 8px; border-radius: 10px;
  background: var(--panel2); color: var(--muted); }
.badge.ev-hot { background: rgba(76,195,138,.15); color: var(--accent); font-weight: 600; }
.mini { display: flex; gap: 3px; align-items: flex-end; height: 42px; margin-top: 6px; }
.mini .bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; gap: 1px; height: 100%; }
.mini .p, .mini .q { border-radius: 2px 2px 0 0; }
.mini .p { background: #3987e5; }  /* market price — matches chart palette */
.mini .q { background: #2ba36f; }  /* model probability */

table { width: 100%; border-collapse: collapse; background: var(--panel);
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px;
  background: var(--panel2); }
tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.pos { color: var(--accent); } .neg { color: var(--bad); }
.impossible { opacity: .35; text-decoration: line-through; }

.login-wrap { display: grid; place-items: center; min-height: 90vh; }
.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 34px 38px; width: 340px; }
.login-card h1 { font-size: 20px; margin-bottom: 18px; }
.login-card h1 span { color: var(--accent); }
input, select { width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 9px 12px; margin-bottom: 12px;
  font-size: 14px; }
input:focus { outline: none; border-color: var(--accent2); }
button { background: var(--accent); color: #06130c; font-weight: 600; border: none;
  border-radius: 8px; padding: 9px 18px; cursor: pointer; font-size: 14px; }
button.secondary { background: var(--panel2); color: var(--text); }
button:hover { filter: brightness(1.1); }
.error { color: var(--bad); font-size: 13px; margin-bottom: 10px; }
.ok { color: var(--accent); font-size: 13px; margin-bottom: 10px; }
.form-narrow { max-width: 420px; }
label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.chart { height: 340px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; margin-bottom: 16px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .row2 { grid-template-columns: 1fr; } }
.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.kv .item { background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 14px; }
.kv .k { color: var(--muted); font-size: 12px; }
.kv .v { font-size: 16px; font-weight: 600; margin-top: 2px; }
.muted { color: var(--muted); }
.back { display: inline-block; margin-bottom: 12px; color: var(--muted); cursor: pointer; }
.back:hover { color: var(--text); }
.filters { display: flex; gap: 10px; align-items: center; margin: 6px 0 14px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
@media (max-width: 1000px) { .row3 { grid-template-columns: 1fr; } }
.badge.arb { background: rgba(201,133,0,.18); color: #e8a33d; font-weight: 600; margin-right: 6px; }
.subnote { color: var(--muted); font-weight: 400; font-size: 12px; margin-left: 8px; }
.chart-sm { height: 280px; }
.mini .bar { min-width: 6px; }