/* ==========================================================================
   TEST HOME & TEST PAGE (Testing module)
   ========================================================================== */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; min-width: 0; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; flex-wrap: wrap; }
.card-head h3 { font-size: 14.5px; font-weight: 600; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card-head .sub { font-weight: 400; font-size: 12.5px; color: var(--ink-3); }

.test-home { display: flex; flex-direction: column; gap: 18px; }
.home-top { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; align-items: start; }

/* Overview: KPI cards, built-in and custom (kpis.js) */
.stats {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; padding: 0 20px 20px;
}
.stat {
    position: relative; padding: 14px 16px; display: flex; flex-direction: column; gap: 2px; min-width: 0;
    border: 1px solid var(--line); border-radius: 10px; background: var(--surface);
}
.stat.is-custom { border-color: var(--link-line); }
.stat.is-hidden { opacity: 0.45; border-style: dashed; }
.stat-label { font-size: 12px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding-right: 4px; }
.stat-value { font-size: 28px; font-weight: 600; line-height: 1.2; font-variant-numeric: tabular-nums; display: flex; align-items: baseline; gap: 6px; }
.stat-value small { font-size: 13px; font-weight: 500; color: var(--ink-3); }
.stat-value .dot-warn { width: 8px; height: 8px; border-radius: 50%; background: var(--warn); align-self: center; }
.stat-note { font-size: 11.5px; color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stat-tools {
    position: absolute; top: 6px; right: 6px; display: flex; align-items: center; gap: 2px;
    background: var(--surface); border-radius: 6px;
}
.stat-tools .icon-btn { padding: 4px 6px; font-size: 11px; }
.stat-shared { font-size: 10px; color: var(--ink-3); padding: 0 4px; }
.stat-add {
    align-items: center; justify-content: center; flex-direction: row; gap: 8px; min-height: 92px;
    border-style: dashed; background: none; color: var(--ink-2); font: inherit; font-size: 13px; font-weight: 500; cursor: pointer;
}
.stat-add:hover { color: var(--ink); border-color: var(--focus); background: var(--surface-2); }
.stat-add.is-disabled { cursor: default; font-size: 12px; font-weight: 400; color: var(--ink-3); text-align: center; }
.stats-empty { grid-column: 1 / -1; font-size: 12.5px; color: var(--ink-3); }
#th-btn-kpis[aria-pressed="true"] { color: var(--ink); border-color: var(--focus); background: var(--accent-soft); }

/* KPI editor */
.kpi-editor { width: min(560px, calc(100vw - 32px)); }
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: var(--space-5); }
.kpi-row > .hide { display: none; }
.kpi-preview {
    display: flex; flex-direction: column; gap: 2px; padding: var(--space-5) var(--space-6);
    border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-2);
}
.kpi-preview-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-3); }

.bar { height: 6px; background: var(--surface-3); border-radius: 6px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); border-radius: 6px; }
.bar.done i { background: var(--ok); }

/* Upcoming list */
.upcoming { list-style: none; margin: 0 20px 20px; border: 1px solid var(--line); border-radius: 8px; max-height: 360px; overflow-y: auto; }
.upcoming li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 10px 12px 10px 14px; cursor: pointer; }
.upcoming li + li { border-top: 1px solid var(--line); }
.upcoming li:hover { background: var(--surface-2); }
.upcoming .t { font-weight: 600; font-size: 13.5px; }
.upcoming .m { font-size: 12px; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.upcoming .end { display: flex; align-items: center; gap: 8px; }
.upcoming-empty { margin: 0 20px 20px; padding: 24px; text-align: center; color: var(--ink-3); border: 1px dashed var(--line-strong); border-radius: 8px; font-size: 13px; }

/* Status pills */
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 500; padding: 2px 10px; border-radius: 20px; white-space: nowrap; }
.pill.draft { background: var(--surface-3); color: var(--ink-2); }
.pill.published { background: var(--accent-soft); color: var(--ink); }
.pill.active { background: var(--ok-soft); color: var(--ink); }
.pill.active::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }
.pill.completed { background: var(--nml-deep); color: #FFFFFF; }
:root[data-theme="dark"] .pill.completed { background: #FFFFFF; color: var(--nml-deep); }

.warn-ico { color: var(--warn); font-size: 13px; }
.ok-ico { color: var(--ok-strong); font-size: 13px; }

/* Home toolbar */
.home-toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.seg { display: inline-flex; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 3px; gap: 2px; }
.seg button { border: 0; background: transparent; padding: 6px 13px; border-radius: 6px; cursor: pointer; font-size: 13px; font-weight: 500; color: var(--ink-2); display: inline-flex; gap: 6px; align-items: center; }
.seg button em { font-style: normal; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.seg button[aria-pressed="true"] { background: var(--nml-deep); color: #FFFFFF; }
.seg button[aria-pressed="true"] em { color: var(--nml-electric); }
:root[data-theme="dark"] .seg button[aria-pressed="true"] { background: #FFFFFF; color: var(--nml-deep); }
:root[data-theme="dark"] .seg button[aria-pressed="true"] em { color: var(--ink-3); }

.select-wrap { display: inline-flex; align-items: center; gap: 4px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 0 4px 0 12px; font-size: 13px; color: var(--ink-2); }
.select-wrap select { border: 0; background: transparent; font-weight: 500; color: var(--ink); padding: 8px 6px; cursor: pointer; outline: none; font-size: 13px; }
.select-wrap select option { background: var(--surface); color: var(--ink); }

.chip {
    display: inline-flex; align-items: center; gap: 7px; border: 1px solid transparent;
    background: var(--warn-soft); color: var(--ink); padding: 7px 13px; border-radius: 20px;
    font-size: 12.5px; font-weight: 500; cursor: pointer;
}
.chip[aria-pressed="true"] { border-color: var(--warn); }
.home-toolbar .spacer { flex: 1; }

/* Home and page tables */
.data-table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.card .data-table-wrap { border: 0; border-top: 1px solid var(--line); border-radius: 0 0 10px 10px; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { text-align: left; font-weight: 500; font-size: 12px; color: var(--ink-2); padding: 11px 14px; background: var(--surface-2); border-bottom: 1px solid var(--line); white-space: nowrap; }
.data-table td { padding: 12px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; vertical-align: middle; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table tbody.clickable tr { cursor: pointer; }
.data-table tbody.clickable tr:hover td { background: var(--surface-2); }
.data-table td.strong { font-weight: 600; }
.data-table td.empty-row { text-align: center; color: var(--ink-3); padding: 32px; white-space: normal; }

.lnk {
    color: var(--link);
    background: none; border: 0; padding: 0; cursor: pointer; font: inherit;
    text-decoration: underline; text-decoration-color: var(--link-line);
    text-decoration-thickness: 1.5px; text-underline-offset: 3px;
}
.lnk:hover { text-decoration-color: currentColor; }

.cmp { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; font-variant-numeric: tabular-nums; }
.cmp.warn { background: var(--warn-soft); padding: 2px 10px 2px 8px; border-radius: 20px; }
.cmp.none { color: var(--ink-3); font-weight: 400; }

/* Test page */
.tp-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; padding-bottom: 18px; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.tp-left { display: flex; gap: 16px; align-items: flex-start; min-width: 0; }
.tp-title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tp-title h2 { font-size: 24px; font-weight: 600; }
.tp-id { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); }
.tp-meta { font-size: 13px; color: var(--ink-2); margin-top: 3px; }
.tp-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.tp-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.45fr); gap: 18px; align-items: start; }
.tp-body { display: flex; flex-direction: column; gap: 18px; }

.spec-list { list-style: none; border-top: 1px solid var(--line); }
.spec-list li { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 16px; padding: 10px 20px; border-bottom: 1px solid var(--line); font-size: 13px; }
.spec-list li:last-child { border-bottom: 0; }
.spec-list .k { color: var(--ink-2); display: flex; align-items: center; gap: 9px; }
.spec-list .k i { width: 14px; text-align: center; font-size: 12px; color: var(--ink-3); }
.spec-list .k.child { padding-left: 23px; }
.spec-list .v { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; min-width: 0; }
.spec-list .v .dim { color: var(--ink-3); }
.spec-list .v .missing { color: var(--ink-3); font-style: italic; }

.type-tag { font-size: 11.5px; background: var(--surface-3); padding: 2px 9px; border-radius: 20px; color: var(--ink-2); }
/* Components table: let text columns wrap so the Assign control fits the card */
#tp-cmp-body td { white-space: normal; }
#tp-cmp-body td.mono { white-space: nowrap; }
/* A components-table value that opens a dropdown (spec, engagement, fitted part) */
.pick-btn {
    display: inline-flex; align-items: center; gap: 8px; max-width: 100%;
    font: inherit; color: var(--ink); background: transparent; cursor: pointer;
    border: 1px solid transparent; border-radius: 6px; padding: 3px 8px; margin-left: -9px;
}
.pick-btn > i { font-size: 10px; color: var(--ink-3); opacity: 0; transition: opacity 0.15s; }
.pick-btn:hover, .pick-btn:focus-visible { border-color: var(--line); background: var(--surface-2); outline: none; }
.pick-btn:hover > i, .pick-btn:focus-visible > i, .pick-btn.is-empty > i { opacity: 1; }
.pick-btn.is-empty { color: var(--ink-3); border-color: var(--line); border-style: dashed; margin-left: 0; }

/* Test Page: chain spans & measurements (chain-section.js) */
.tp-chain { padding-bottom: 16px; }
.seg-tabs { display: inline-flex; gap: 2px; padding: 3px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 8px; }
.seg-tabs button {
    background: none; border: 0; border-radius: 6px; padding: 5px 12px; font: inherit; font-size: 12.5px; font-weight: 500;
    color: var(--ink-2); cursor: pointer; display: inline-flex; align-items: center; gap: 7px;
}
.seg-tabs button i { font-size: 11px; color: var(--ink-3); }
.seg-tabs button:hover { color: var(--ink); }
.seg-tabs button[aria-selected="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }
.chain-sides { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; padding: 0 20px 14px; }
.chain-side {
    display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 12px 14px; min-width: 0;
    border: 1px solid var(--line); border-radius: 10px; background: var(--surface);
    font: inherit; color: var(--ink); text-align: left; cursor: pointer; transition: var(--transition-fast);
}
.chain-side:hover { border-color: var(--line-strong); background: var(--surface-2); }
.chain-side:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
/* The open chain's tab */
.chain-side[aria-selected="true"] { border-color: var(--focus); box-shadow: inset 0 -3px 0 var(--accent); background: var(--surface); cursor: default; }
.chain-spans-line { font-size: 11.5px; color: var(--ink-3); }
.chain-side-main { display: flex; align-items: baseline; gap: 6px; }
.chain-side-main b { font-size: 24px; font-weight: 600; font-variant-numeric: tabular-nums; }
.chain-side-main small { font-size: 12px; color: var(--ink-3); }
.chain-empty {
    display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    margin: 0 20px 14px; padding: 12px 14px; border: 1px dashed var(--line-strong); border-radius: 10px;
    font-size: 13px; color: var(--ink-2);
}
.tp-chain-sheet { padding: 0 20px; }
.tp-chain-sheet .notion-grid-wrapper { max-height: 520px; }

.page-notice { padding: 40px; text-align: center; color: var(--ink-2); }

/* Test Page: custom and calculated specification lines, adding and removing positions */
.spec-list li.spec-sep {
    display: block; padding: 8px 20px 4px; font-size: 11px; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.05em; color: var(--ink-3); background: var(--surface-2);
}
.spec-list li.is-calc .v .num { font-variant-numeric: tabular-nums; }
.spec-list li .spec-manage { margin-left: auto; opacity: 0; }
.spec-list li:hover .spec-manage, .spec-list .spec-manage:focus-visible { opacity: 1; }
@media (hover: none) { .spec-list li .spec-manage { opacity: 1; } }
.spec-input {
    font: inherit; font-size: 13px; color: var(--ink); background: var(--surface); width: min(220px, 100%);
    border: 1px solid var(--focus); border-radius: 6px; padding: 4px 8px; outline: none;
}
.tp-cmp-tools { display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.data-table .row-tools { width: 44px; text-align: center; padding-left: 0; padding-right: 8px; }
.data-table .row-tools .btn-cell-delete { opacity: 0; }
.data-table tr:hover .row-tools .btn-cell-delete, .data-table .row-tools .btn-cell-delete:focus-visible { opacity: 1; }
@media (hover: none) { .data-table .row-tools .btn-cell-delete { opacity: 1; } }

/* Chain elongation chart (elongation-chart.js, chain-chart-panel.js) */
.tp-chain-chart { padding: 0 20px; }
.ec-controls { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.ec-tests { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.ec-chip {
    display: inline-flex; align-items: center; gap: 6px; padding: 3px 8px; border: 1px solid var(--line);
    border-radius: 20px; font-size: 12.5px; font-weight: 500; color: var(--ink); font-variant-numeric: tabular-nums;
}
.ec-key { width: 10px; height: 10px; border-radius: 50%; display: inline-block; flex: none; }
.ec-remove { background: none; border: 0; color: var(--ink-3); cursor: pointer; padding: 0 0 0 2px; font-size: 11px; }
.ec-remove:hover { color: var(--ink); }
.ec-toggles { display: flex; gap: 8px; flex-wrap: wrap; }
.ec-seg button[aria-pressed="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }
.ec-host { position: relative; border: 1px solid var(--line); border-radius: 10px; padding: 8px 4px 0; overflow: hidden; }
.ec-plot { position: relative; }
.ec-svg { display: block; width: 100%; height: auto; }
.ec-grid { stroke: var(--line); stroke-width: 1; }
.ec-axis { stroke: var(--line-strong); stroke-width: 1; }
.ec-zero { stroke: var(--ink-3); stroke-width: 1; stroke-dasharray: 2 3; }
.ec-tick { fill: var(--ink-3); font-size: 11px; font-variant-numeric: tabular-nums; }
.ec-title { fill: var(--ink-2); font-size: 11.5px; font-weight: 500; }
.ec-line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.ec-mark { stroke: var(--surface); stroke-width: 2; }
.ec-mark.is-excluded, .ec-legend .is-excluded { fill: var(--surface); stroke-width: 1.5; opacity: 0.5; }
.ec-legend .is-excluded { stroke: var(--ink-2); }
.ec-cross { stroke: var(--ink-3); stroke-width: 1; stroke-dasharray: 3 3; pointer-events: none; }
.ec-tip {
    position: absolute; z-index: 2; pointer-events: none; display: flex; flex-direction: column; gap: 2px;
    background: var(--surface); border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow-md);
    padding: 8px 10px; font-size: 12px; color: var(--ink-2); max-width: 280px; font-variant-numeric: tabular-nums;
}
.ec-tip b { color: var(--ink); display: flex; align-items: center; gap: 6px; font-weight: 600; }
.ec-note { color: var(--ink-3); font-style: italic; }
.ec-legend { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 10px 2px 0; font-size: 12px; color: var(--ink-2); }
.ec-legend span { display: inline-flex; align-items: center; gap: 6px; }
.ec-legend line { stroke: var(--ink-2); stroke-width: 2; }
.ec-hint { color: var(--ink-3); font-size: 12px; }
.ec-empty { padding: 48px 20px; text-align: center; color: var(--ink-3); font-size: 13px; }
.chain-side-name { font-size: 13px; font-weight: 600; color: var(--ink); }
.spec-list .v .spec-open { padding: 3px 6px; font-size: 11px; }