:root {
  --bg: #0f1216;
  --card: #171b21;
  --muted: #aab3c5;
  --text: #e9eef7;
  --accent: #6aa7ff;
  --accent-2: #9bffd6;
  --danger: #ff6a7a;
  --ok: #7dffa0;
  --warning: #ffd36a;
  --border: #242a33;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 16px;
  --radius-lg: 22px;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; font-family: ui-sans-serif, system-ui, sans-serif; background: var(--bg); color: var(--text); }

header { max-width: 1100px; margin: 32px auto 20px; padding: 0 16px; }
header h1 { font-size: clamp(26px, 3.2vw, 38px); margin: 0 0 6px; }
header p { color: var(--muted); margin: 0; }

.container { max-width: 1100px; margin: 0 auto 48px; padding: 0 16px 32px; display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 900px) { .container { grid-template-columns: 1.05fr 1fr; } }

.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 18px; }
.card h2 { margin: 0 0 12px; font-size: clamp(18px, 2.2vw, 22px); }

.grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 640px) { 
  .grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } 
  .grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } 
}

label { display: block; font-size: 13px; color: var(--muted); margin: 0 0 6px; }
.input { width: 100%; padding: 12px; background: #0f1319; border: 1px solid var(--border); border-radius: 14px; color: var(--text); outline: none; transition: border .15s ease, box-shadow .15s ease; }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(106,167,255,.15); }

.unit { display: flex; align-items: center; gap: 10px; }
.unit span { color: var(--muted); font-size: 13px; }

.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row .btn { flex: 1 1 160px; }
.btn { appearance: none; border: 1px solid var(--border); background: linear-gradient(180deg, rgba(155,255,214,.10), rgba(155,255,214,0)); color: var(--text); border-radius: 999px; padding: 12px 16px; cursor: pointer; font-weight: 600; transition: transform .06s ease, filter .2s ease, border .2s ease; }
.btn:hover { filter: brightness(1.1); }
.btn:active { transform: translateY(1px); }
.btn.secondary { background: linear-gradient(180deg, rgba(106,167,255,.12), rgba(106,167,255,0)); }
.btn.danger { background: linear-gradient(180deg, rgba(255,106,122,.12), rgba(255,106,122,0)); }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 8px; border-bottom: 1px dashed var(--border); }
th { text-align: left; color: var(--muted); font-weight: 600; font-size: 13px; }
td.value { text-align: right; font-variant-numeric: tabular-nums; }

.hint { color: var(--muted); font-size: 12px; margin-top: 6px; }
.badge { display:inline-flex; align-items:center; gap:6px; padding:4px 8px; border:1px solid var(--border); border-radius:999px; font-size:12px; color:var(--muted); }
.dot { width:8px; height:8px; border-radius:999px; display:inline-block; background: var(--accent); }

.chart-wrap { width: 100%; background: #0f1319; border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; }
.chart-header { display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:10px; }
.chart-tabs { display:flex; gap:8px; flex-wrap: wrap; }
.tab { border: 1px solid var(--border); background: linear-gradient(180deg, rgba(106,167,255,.08), rgba(106,167,255,0)); border-radius: 999px; padding: 6px 10px; font-size: 12px; cursor: pointer; }
.tab.active { outline: 2px solid rgba(106,167,255,.4); }