/* QI Run Chart Builder — app styles (on top of /assets/labs.css) */
.app-page .page-title { margin-bottom: 18px; }
.app-block { margin-top: 20px; }
.h-sm { font-size: 22px; margin: 0; }
.block-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.grid-fields { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.add-form { display: grid; gap: 16px; grid-template-columns: 1fr 1fr 2fr auto; align-items: end; margin-top: 12px; }
@media (max-width: 820px) { .add-form { grid-template-columns: 1fr 1fr; } .add-form .btn { grid-column: 1 / -1; } }
@media (max-width: 480px) { .add-form { grid-template-columns: 1fr; } }
.field-msg { min-height: 1.4em; margin: 10px 0 0; font-size: 14px; color: var(--muted); }
.field-msg.err { color: var(--danger); font-weight: 600; }
.field-msg.ok { color: var(--ok); font-weight: 600; }
.paste { margin-top: 8px; }
.paste summary { cursor: pointer; font-weight: 600; color: var(--accent); padding: 6px 0; }
.paste-form { margin-top: 10px; }
.inline-check { font-size: 14px; }
.danger { color: var(--danger) !important; border-color: color-mix(in srgb, var(--danger) 45%, var(--line)) !important; }

/* Chart */
.viz-root {
  --viz-surface: #ffffff; --viz-text: #0b1f3a; --viz-muted: #52606f; --viz-grid: #e6e8eb;
  --viz-series: #2a78d6; --viz-signal: #eb6834; --viz-median: #5b6878; --viz-goal: #157a3c;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) .viz-root {
    --viz-surface: #121821; --viz-text: #eef2f6; --viz-muted: #a8b3c0; --viz-grid: #253041;
    --viz-series: #3987e5; --viz-signal: #d95926; --viz-median: #9aa6b4; --viz-goal: #4fd18b;
  }
}
:root[data-theme="dark"] .viz-root {
  --viz-surface: #121821; --viz-text: #eef2f6; --viz-muted: #a8b3c0; --viz-grid: #253041;
  --viz-series: #3987e5; --viz-signal: #d95926; --viz-median: #9aa6b4; --viz-goal: #4fd18b;
}
.chart-block .viz-root { background: var(--viz-surface); border-radius: var(--radius-sm); }
.chart-wrap { position: relative; }
#chart svg { width: 100%; height: auto; overflow: visible; }
#chart .pt:focus { outline: none; }
#chart .pt:focus-visible .ring { stroke: var(--text); stroke-width: 2; }
.chart-empty { padding: 32px 8px; color: var(--muted); }
.tooltip { position: absolute; z-index: 3; pointer-events: none; background: var(--bg); color: var(--text); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 10px; padding: 8px 12px; font-size: 13px; line-height: 1.4; max-width: 240px; }
.tooltip strong { display: block; font-size: 15px; }
.legend { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 12px 4px 0; margin: 0; font-size: 13px; color: var(--muted); }
.legend li { display: flex; align-items: center; gap: 8px; }
.key { display: inline-block; flex: none; }
.key-data { width: 18px; height: 2px; background: var(--viz-series); }
.key-median { width: 18px; height: 0; border-top: 2px dashed var(--viz-median); }
.key-goal { width: 18px; height: 0; border-top: 2px dotted var(--viz-goal); }
.key-shift { width: 10px; height: 10px; background: var(--viz-signal); }
.key-trend { width: 0; height: 0; border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 10px solid var(--viz-signal); }
.key-note { width: 14px; height: 14px; border-radius: 4px; border: 1.5px solid var(--viz-muted); }

/* Results */
.stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin: 14px 0 6px; }
.stat { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; }
.stat .k { font-size: 13px; color: var(--muted); }
.stat .v { font-size: 26px; font-weight: 750; letter-spacing: -0.02em; }
.rules { list-style: none; padding: 0; margin: 14px 0; display: grid; gap: 10px; }
.rule { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; }
.rule .tag { font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; white-space: nowrap; border: 1px solid var(--line); color: var(--muted); }
.rule .tag.sig { background: var(--accent-soft); color: var(--text); border-color: var(--accent); }
.rule .tag.na { color: var(--muted); }
.rule h3 { font-size: 16px; margin: 0 0 4px; }
.rule p { margin: 0; color: var(--muted); font-size: 14px; }

/* Table */
.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 560px; }
.data-table th { text-align: left; font-size: 13px; color: var(--muted); font-weight: 600; padding: 8px 6px; border-bottom: 1px solid var(--line); }
.data-table td { padding: 6px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.data-table input { min-height: 38px; padding: 6px 10px; font-size: 14px; }
.data-table td.num { color: var(--muted); width: 36px; }
.data-table td.sigcell { font-size: 13px; color: var(--muted); white-space: nowrap; }
.data-table .c-label { width: 26%; }
.data-table .c-value { width: 16%; }
.data-table input[aria-invalid="true"] { border-color: var(--danger); }
.icon-btn { background: transparent; border: 1px solid var(--line); color: var(--muted); border-radius: 8px; min-height: 36px; padding: 0 12px; font: inherit; font-size: 13px; cursor: pointer; }
.icon-btn:hover { color: var(--danger); border-color: var(--danger); }

/* File import button */
.file-btn { position: relative; display: inline-flex; flex-direction: row; font-weight: 650; font-size: 14px; }
.file-btn:focus-within { outline: 3px solid var(--accent); outline-offset: 2px; }
.file-input { position: absolute; inset: 0; opacity: 0; width: 100%; min-height: 0; height: 100%; cursor: pointer; padding: 0; }

.notes-list { margin: 8px 0 0; padding: 0 4px 0 28px; font-size: 13px; color: var(--muted); }
.notes-list li { margin: 2px 0; }
.notes-list li { overflow-wrap: anywhere; }
.hidden-label-wrap { font-size: 0; gap: 0; }
.hidden-label-wrap textarea { font-size: 14px; margin-top: 10px; }
.hidden-label-wrap textarea[hidden] { display: none; }
#btn-undo { margin-top: 10px; }