/* FarmSense dashboard — theme-aware, palette from the data-viz reference. */

.viz-root {
  color-scheme: light;
  --page:           #f9f9f7;
  --surface-1:      #fcfcfb;
  --text-primary:   #0b0b0b;
  --text-secondary: #52514e;
  --text-muted:     #898781;
  --grid:           #e1e0d9;
  --axis:           #c3c2b7;
  --border:         rgba(11,11,11,0.10);
  /* categorical slots 1-3 → depths (validated all-pairs, light) */
  --series-1:       #2a78d6;  /* 6 in  */
  --series-2:       #eb6834;  /* 12 in */
  --series-3:       #1baf7a;  /* 18 in */
  --good:           #0ca30c;
  --warning:        #fab219;
  --critical:       #d03b3b;

  background: var(--page);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  min-height: 100vh;
}

:root[data-theme="dark"] .viz-root,
.viz-root[data-theme="dark"] {
  color-scheme: dark;
  --page:           #0d0d0d;
  --surface-1:      #1a1a19;
  --text-primary:   #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted:     #898781;
  --grid:           #2c2c2a;
  --axis:           #383835;
  --border:         rgba(255,255,255,0.10);
  --series-1:       #3987e5;
  --series-2:       #d95926;
  --series-3:       #199e70;
}

* { box-sizing: border-box; }

.app-header {
  display: flex; flex-wrap: wrap; gap: 16px;
  align-items: center; justify-content: space-between;
  padding: 18px 24px; border-bottom: 1px solid var(--border);
  background: var(--surface-1);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { margin: 0; font-size: 20px; letter-spacing: -0.01em; }
.brand .tagline { margin: 2px 0 0; font-size: 12px; color: var(--text-secondary); }
.brand .logo { font-size: 26px; }

.header-controls { display: flex; align-items: flex-end; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 11px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.04em; }
.field select {
  font: inherit; font-size: 14px; text-transform: none; letter-spacing: 0;
  color: var(--text-primary); background: var(--surface-1);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px;
}
.ghost-btn {
  font: inherit; cursor: pointer; color: var(--text-secondary);
  background: transparent; border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 12px;
  text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.ghost-btn:hover { color: var(--text-primary); }

main { max-width: 1100px; margin: 0 auto; padding: 24px; display: flex; flex-direction: column; gap: 20px; }

.status-bar {
  padding: 12px 16px; border-radius: 10px; font-size: 14px;
  background: color-mix(in srgb, var(--warning) 16%, var(--surface-1));
  border: 1px solid color-mix(in srgb, var(--warning) 40%, transparent);
  color: var(--text-primary);
}

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.stat {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 16px; display: flex; flex-direction: column; gap: 6px;
}
.stat .stat-label { font-size: 12px; color: var(--text-secondary); display: flex; align-items: center; gap: 7px; }
.stat .swatch { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.stat .stat-value { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; }
.stat .stat-value .u { font-size: 14px; font-weight: 500; color: var(--text-secondary); margin-left: 2px; }
.stat .stat-sub { font-size: 12px; color: var(--text-muted); font-variant-numeric: tabular-nums; }

.card {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 14px; padding: 16px 18px 18px;
}
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.card-head h2 { margin: 0; font-size: 15px; }
.card-head .unit { font-size: 12px; color: var(--text-muted); }
.chart-wrap { position: relative; height: 340px; }
.chart-wrap.short { height: 220px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
th, td { text-align: right; padding: 7px 10px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
thead th { color: var(--text-secondary); font-weight: 600; position: sticky; top: 0; background: var(--surface-1); }

.app-footer {
  max-width: 1100px; margin: 0 auto; padding: 16px 24px 32px;
  font-size: 12px; color: var(--text-muted); display: flex; gap: 8px; align-items: center;
}
.app-footer code { color: var(--text-secondary); }
.sep { opacity: 0.5; }

.empty { padding: 40px; text-align: center; color: var(--text-muted); }