/* ==========================================================================
   VIZ-SUPPLY-QUIZ  -  "QUIZ: Which assets led in construction over the last twenty year cycle?"
   Interactive match-the-line quiz for the indexed-growth chart on
   shared-national-cre-supply.html. Data lives in viz-supply-quiz.js and is
   the Indexed Growth Comparison tab of shared-national-cre-supply.xlsx.
   All rules are scoped to .supply-quiz so nothing leaks.
   ========================================================================== */

.supply-quiz {
    color-scheme: light;
    --sq-ink: #23282E;
    --sq-body: #3D434B;
    --sq-muted: #6B7280;
    --sq-hair: #E6DFD3;
    --sq-grid: #ECE7DE;
    --sq-red: #A31F34;
    --sq-red-dark: #8B1A2E;
    --sq-paper: #FBF9F5;
    --sq-ghost: #C9C9C9;
    background: #F5F5F5;
    border: 1px solid var(--sq-hair);
    border-left: 4px solid var(--sq-red);
    border-radius: 0 8px 8px 0;
    margin: 1.5rem 0 2.25rem;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: var(--sq-body);
    box-shadow: 0 1px 3px rgba(35,40,46,0.05);
}
.supply-quiz * { box-sizing: border-box; }

/* ---- header strip (always visible) ---- */
.sq-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem 1.1rem;
    background: #F5F5F5;
    border-radius: 0 8px 0 0;
}
.supply-quiz[data-open="false"] .sq-bar { border-radius: 0 8px 8px 0; }
.sq-bar-text { min-width: 0; }
.sq-title .sq-quiz-word { color: var(--sq-red); }
.sq-title {
    font-family: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    font-size: 1.08rem;
    font-weight: 600;
    color: var(--sq-ink);
}
.sq-toggle {
    flex: none;
    background: var(--sq-red);
    color: #fff;
    border: 0;
    font: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    white-space: nowrap;
}
.sq-toggle:hover { background: var(--sq-red-dark); }
.supply-quiz[data-open="true"] .sq-toggle {
    background: transparent;
    color: var(--sq-muted);
    border: 1px solid var(--sq-hair);
}
.supply-quiz[data-open="true"] .sq-toggle:hover { color: var(--sq-ink); background: #fff; }

/* ---- body ---- */
.sq-body { padding: 1rem 1.25rem 1.1rem; border-top: 1px solid var(--sq-hair); }
.supply-quiz[data-open="false"] .sq-body { display: none; }
.supply-quiz .sq-lede { margin: 0 0 0.9rem; font-size: 0.95rem; line-height: 1.5; color: var(--sq-body); }
.sq-lede strong { color: var(--sq-ink); }

.sq-grid { display: flex; gap: 1.25rem; align-items: flex-start; }
.sq-chart { flex: 1 1 0; min-width: 0; }
.sq-chart svg { width: 100%; height: auto; display: block; }
.sq-panel { flex: 0 0 300px; }

/* ---- answer rows ---- */
.sq-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.42rem 0;
    border-bottom: 1px solid var(--sq-grid);
}
.sq-row:last-of-type { border-bottom: 0; }
.sq-chip {
    flex: none;
    width: 1.55rem;
    height: 1.55rem;
    border-radius: 50%;
    background: #E3E3E3;
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.sq-name { flex: 1 1 auto; font-size: 0.95rem; font-weight: 600; color: var(--sq-ink); }
.sq-name small { display: block; font-weight: 400; font-size: 0.8rem; color: var(--sq-muted); }
.sq-select {
    flex: none;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--sq-ink);
    padding: 0.3rem 0.4rem;
    border: 1px solid var(--sq-hair);
    border-radius: 6px;
    background: #fff;
    width: 3.6rem;
}
.sq-mark { flex: none; width: 1.2rem; text-align: center; font-weight: 700; font-size: 0.95rem; }
.sq-row[data-result="right"] .sq-mark { color: #2E7D32; }
.sq-row[data-result="wrong"] .sq-mark { color: var(--sq-red); }
.sq-row[data-result="wrong"] .sq-select { border-color: var(--sq-red); }

/* ---- actions and result ---- */
.sq-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.9rem; align-items: center; }
.sq-btn {
    font: inherit;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.5rem 0.95rem;
    border-radius: 6px;
    border: 1px solid var(--sq-red);
    background: var(--sq-red);
    color: #fff;
    cursor: pointer;
}
.sq-btn:hover { background: var(--sq-red-dark); border-color: var(--sq-red-dark); }
.sq-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.sq-btn--ghost { background: #fff; color: var(--sq-ink); border-color: var(--sq-hair); }
.sq-btn--ghost:hover { background: var(--sq-paper); border-color: var(--sq-muted); }
.sq-link {
    font: inherit;
    font-size: 0.82rem;
    color: var(--sq-muted);
    background: none;
    border: 0;
    padding: 0.3rem 0.2rem;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.sq-link:hover { color: var(--sq-ink); }
.sq-result { margin-top: 0.75rem; font-size: 0.95rem; font-weight: 700; color: var(--sq-ink); min-height: 1.3em; }

.supply-quiz .sq-source { margin: 0.7rem 0 0; font-size: 0.76rem; font-style: italic; color: var(--sq-muted); line-height: 1.45; }

/* ---- SVG ---- */
.sq-chart text { font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; }
.sq-axis { font-size: 15px; fill: var(--sq-muted); }
.sq-gridline { stroke: var(--sq-grid); stroke-width: 1; }
.sq-zero { stroke: #9A9A9A; stroke-width: 1; }
.sq-tick { stroke: #BBBBBB; stroke-width: 1; }
.sq-line { fill: none; stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; transition: stroke 0.35s ease; }
.sq-dot { transition: fill 0.35s ease; }
.sq-label { font-size: 17px; font-weight: 700; transition: fill 0.35s ease; }
.sq-label-name { font-weight: 600; }
.sq-line--pulse { animation: sq-pulse 1.1s ease-out 1; }
@keyframes sq-pulse { 0% { stroke-width: 6; } 100% { stroke-width: 3; } }

/* ---- narrow screens ---- */
@media (max-width: 820px) {
    .sq-grid { flex-direction: column; }
    .sq-panel { flex: 1 1 auto; width: 100%; }
    .sq-bar { flex-wrap: wrap; }
    .sq-body { padding: 0.85rem 0.9rem 1rem; }
    /* keep the chart legible: it scrolls sideways rather than shrinking to a thumbnail */
    .sq-chart { flex: none; width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .sq-chart svg { min-width: 640px; }
    .sq-label { font-size: 19px; }
    .sq-axis { font-size: 17px; }
}