/* The chain builder (chain.html). Colours come from the page's theme variables. */
.chain-wrap { max-height: 420px; overflow: auto; border: 1px solid var(--line); border-radius: 6px; margin-top: 8px; }
table.chain { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; font-size: 13px; }
table.chain th, table.chain td { padding: 2px 6px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.chain thead th { position: sticky; top: 0; background: var(--surface); z-index: 1; color: var(--muted); font-weight: 600; }
table.chain td.strike { text-align: center; font-weight: 600; background: var(--bg); }
table.chain tr.atm td.strike { outline: 2px solid var(--accent); outline-offset: -2px; }
table.chain td.itm { background: color-mix(in srgb, var(--accent) 7%, transparent); }
table.chain .pick { font: inherit; font-variant-numeric: tabular-nums; background: none; border: 1px solid transparent; border-radius: 4px; padding: 1px 6px; cursor: pointer; color: inherit; }
table.chain .pick:hover, table.chain .pick:focus-visible { border-color: var(--accent); }
table.chain .pick.buy { background: color-mix(in srgb, var(--pos-bar) 30%, transparent); border-color: var(--pos-bar); }
table.chain .pick.sell { background: color-mix(in srgb, var(--neg-bar) 30%, transparent); border-color: var(--neg-bar); }
table.chain .pick:disabled { opacity: 0.4; cursor: default; }
.leglist { list-style: none; padding: 0; margin: 8px 0; }
.leglist li { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 4px 0; border-bottom: 1px solid var(--line); }
.leglist .what { min-width: 220px; font-variant-numeric: tabular-nums; }
.leglist input { width: 5em; }
.warnings { list-style: none; padding: 0; margin: 8px 0; }
.warnings li { background: color-mix(in srgb, var(--warn) 14%, transparent); border-left: 3px solid var(--warn); padding: 6px 10px; margin: 4px 0; }
#figures { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 8px 16px; margin: 10px 0; }
#figures .figure .label { color: var(--muted); font-size: 12px; }
#figures .figure .value { font-size: 15px; font-variant-numeric: tabular-nums; }
#figures .figure .value.pos { color: var(--pos); }
#figures .figure .value.neg { color: var(--neg); }
#outcome .actions { margin-top: 10px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }