:root {
  --bg: #0f1419;
  --panel: #171e26;
  --panel-2: #1f2933;
  --border: #2a3540;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #2ea043;
  --accent-2: #388bfd;
  --over: #2ea043;
  --under: #f0883e;
  --danger: #da3633;
}

* { 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);
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav .brand {
  font-weight: 700;
  margin-right: 18px;
  padding: 14px 0;
  letter-spacing: .5px;
}
.nav .brand span { color: var(--accent); }
.nav a.link {
  color: var(--muted);
  padding: 14px 14px;
  border-bottom: 2px solid transparent;
}
.nav a.link:hover { color: var(--text); text-decoration: none; }
.nav a.link.active { color: var(--text); border-bottom-color: var(--accent); }
.nav .spacer { flex: 1; }

.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }

h1 { font-size: 22px; margin: 0 0 4px; }
.subtitle { color: var(--muted); margin: 0 0 22px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.controls { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }

select, input[type="text"], input[type="number"], input[type="date"] {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 11px;
  font-size: 15px;
  min-width: 80px;
}
select:focus, input:focus { outline: none; border-color: var(--accent-2); }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.1); text-decoration: none; }
.btn.secondary { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); }
.btn.danger { background: var(--danger); }
.btn.sm { padding: 6px 10px; font-size: 13px; }

.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 22px 0; }
.card { background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.card .k { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.card .v { font-size: 28px; font-weight: 700; margin-top: 4px; }
.card .v.over { color: var(--over); }
.card .v.under { color: var(--under); }

.bar { height: 10px; background: var(--panel-2); border-radius: 6px; overflow: hidden; display: flex; }
.bar .over-fill { background: var(--over); }
.bar .under-fill { background: var(--under); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; cursor: pointer; user-select: none; }
th.num, td.num { text-align: right; }
tbody tr:hover { background: var(--panel-2); }
.scroll-x { overflow-x: auto; }

.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill.over { background: rgba(46,160,67,.15); color: var(--over); }
.pill.under { background: rgba(240,136,62,.15); color: var(--under); }
.pill.push { background: rgba(139,152,165,.15); color: var(--muted); }

.alert { background: rgba(46,160,67,.12); border: 1px solid var(--accent); color: #b9f0c4; padding: 12px 16px; border-radius: 8px; margin-bottom: 18px; }

.muted { color: var(--muted); }
.row-actions { display: flex; gap: 8px; }
.score { font-weight: 700; }
.histo { display: flex; align-items: flex-end; gap: 6px; height: 120px; margin-top: 8px; }
.histo .col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 4px; }
.histo .col .b { width: 100%; background: var(--accent-2); border-radius: 4px 4px 0 0; min-height: 2px; }
.histo .col .b.hl { background: var(--accent); }
.histo .col small { color: var(--muted); font-size: 11px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
fieldset { border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin: 0 0 18px; }
fieldset legend { padding: 0 8px; color: var(--accent); font-weight: 600; }
.error { color: var(--danger); font-size: 13px; }