:root {
  color-scheme: dark;
  --bg: #14110f;
  --panel: #1e1a17;
  --panel-2: #26211d;
  --border: #362f29;
  --text: #f1ece5;
  --muted: #a89b8d;
  --accent: #c88a4a;
  --accent-2: #e0a868;
  --good: #6fae7c;
  --bad: #c96b5f;
  --radius: 12px;
}

* { box-sizing: border-box; }

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

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

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; top: -40px; left: 8px; z-index: 200;
  background: var(--accent); color: #1a1310; padding: 8px 14px;
  border-radius: 6px; font-size: 14px; font-weight: 600;
}
.skip-link:focus { top: 8px; }

.flash-wrap { position: fixed; top: 16px; right: 16px; z-index: 100; display: flex; flex-direction: column; gap: 8px; }
.flash { padding: 10px 16px; border-radius: 8px; font-size: 14px; box-shadow: 0 4px 12px rgba(0,0,0,.3); }
.flash-success { background: #1d3a24; color: #b7e6bf; border: 1px solid #2e5c39; }
.flash-error { background: #3a1d1d; color: #e6b7b7; border: 1px solid #5c2e2e; }

/* Auth pages */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  width: 100%;
  max-width: 380px;
  text-align: center;
}
.auth-card h1 { font-size: 22px; margin: 0 0 4px; }
.auth-card .subtitle { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.auth-card form { display: flex; flex-direction: column; gap: 6px; text-align: left; }
.auth-card label { font-size: 13px; color: var(--muted); margin-top: 10px; }
.auth-card input {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 15px;
}
.auth-card button {
  margin-top: 20px;
  background: var(--accent);
  color: #1a1310;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: 15px;
}
.auth-card button:hover { background: var(--accent-2); }
.auth-card .qr { width: 200px; height: 200px; margin: 8px auto 16px; border-radius: 8px; background: white; padding: 8px; }
.secret-fallback { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.secret-fallback code { color: var(--accent-2); word-break: break-all; }

/* App shell */
.topnav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--panel);
}
.brand { font-weight: 700; font-size: 17px; color: var(--text); }
.nav-links { display: flex; gap: 20px; }
.nav-links a { color: var(--muted); font-size: 14px; }
.nav-links a.active, .nav-links a:hover { color: var(--accent-2); }

.content { padding: 24px; max-width: 1200px; margin: 0 auto; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.card h2 { font-size: 15px; margin: 0 0 14px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }

/* Period bar */
.period-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 20px; }
.period-buttons { display: flex; gap: 6px; flex-wrap: wrap; }
.period-buttons button, .table-toggle button {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--muted);
  padding: 7px 14px; border-radius: 20px; font-size: 13px; cursor: pointer;
  touch-action: manipulation;
}
.period-buttons button:hover, .table-toggle button:hover { color: var(--text); border-color: var(--accent-2); }
.period-buttons button.active, .table-toggle button.active {
  background: var(--accent); color: #1a1310; border-color: var(--accent); font-weight: 600;
}
.custom-range { display: flex; align-items: center; gap: 8px; }
.custom-range input { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); padding: 6px 10px; border-radius: 6px; }
.custom-range button { background: var(--accent); border: none; color: #1a1310; padding: 7px 14px; border-radius: 6px; cursor: pointer; font-weight: 600; touch-action: manipulation; }
.custom-range button:hover { background: var(--accent-2); }
.period-label { margin-left: auto; color: var(--muted); font-size: 13px; }

/* KPI grid */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 24px; }
.kpi-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.kpi-card .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.kpi-card .value { font-size: 24px; font-weight: 600; margin-top: 6px; }
.kpi-card .sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.kpi-card.accent .value { color: var(--accent-2); }
.kpi-card.warn .value { color: var(--bad); }
/* One hero figure per view - the number the dashboard leads with. */
.kpi-card.hero { grid-column: span 2; }
.kpi-card.hero .value { font-size: 34px; }
@media (max-width: 520px) { .kpi-card.hero { grid-column: span 1; } }

/* Charts */
.charts-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; margin-bottom: 16px; }
.chart-card canvas { max-height: 320px; }
@media (max-width: 900px) { .charts-grid { grid-template-columns: 1fr; } }

/* Table */
.table { width: 100%; border-collapse: collapse; margin-top: 10px; }
.table th, .table td { text-align: left; padding: 8px 10px; font-size: 13px; border-bottom: 1px solid var(--border); }
.table td:nth-child(3), .table td:nth-child(4) { font-variant-numeric: tabular-nums; }
.table th { color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: .04em; }
.table-toggle { display: flex; gap: 6px; margin-bottom: 6px; }

/* Ops grid */
.ops-card { margin-top: 8px; }
.ops-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.ops-item .label { font-size: 12px; color: var(--muted); }
.ops-item .value { font-size: 18px; font-weight: 600; margin-top: 4px; }

/* Upload page */
.upload-card form { display: flex; flex-direction: column; gap: 16px; max-width: 420px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input[type=file] { color: var(--text); }
.upload-card button {
  background: var(--accent); border: none; color: #1a1310; padding: 10px 16px;
  border-radius: 8px; font-weight: 600; cursor: pointer; align-self: flex-start;
}