/* TimeTrace — components.css : buttons, diagram, FAQ, forms */

.btn {
  display: inline-block;
  background: var(--color-gold);
  color: var(--color-graphite);
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 6px;
  text-decoration: none;
  border: 2px solid var(--color-gold);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.98rem;
}
.btn:hover, .btn:focus { background: var(--color-bronze); border-color: var(--color-bronze); color: #fff; }
.btn:focus-visible { outline: 3px solid var(--color-gold); outline-offset: 2px; }
.btn--outline {
  background: transparent;
  color: var(--color-gold);
}
.btn--outline:hover, .btn--outline:focus { background: var(--color-gold); color: var(--color-graphite); }

.tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-graphite);
  background: #fff;
}

.notice-box {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-gold);
  padding: 18px 20px;
  border-radius: 6px;
  margin: 1.6em 0;
}
.notice-box p:last-child { margin-bottom: 0; }

/* ---------- FAQ accordion ---------- */
.faq-list { border-top: 1px solid var(--color-border); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 4px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-graphite);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-question:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 2px; }
.faq-question .icon { flex: none; width: 20px; height: 20px; transition: transform 0.2s ease; }
.faq-question[aria-expanded="true"] .icon { transform: rotate(45deg); }
.faq-answer {
  padding: 0 4px 18px;
  color: var(--color-text);
}
.faq-answer[hidden] { display: none; }

/* ---------- Growth diagram page ---------- */
.diagram-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}
@media (min-width: 900px) {
  .diagram-layout { grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr); }
}

.diagram-wrap {
  background: var(--color-graphite);
  border-radius: 12px;
  padding: 20px;
  position: relative;
}
.diagram-wrap svg { width: 100%; height: auto; display: block; }

.ring-segment {
  cursor: pointer;
  transition: opacity 0.15s ease;
}
.ring-segment:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}
.ring-segment.dimmed { opacity: 0.3; }
.ring-segment.active-segment { filter: brightness(1.15); }
.ring-segment:hover, .ring-segment:focus {
  stroke: var(--color-gold);
  stroke-width: 3;
}

.decade-label {
  fill: #EFE9DA;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  pointer-events: none;
}
.center-label {
  fill: var(--color-gold);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  text-anchor: middle;
}
.center-sublabel {
  fill: #EFE9DA;
  font-family: var(--font-body);
  font-size: 10px;
  text-anchor: middle;
}

.diagram-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.legend-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245,243,238,0.06);
  border: 1px solid rgba(245,243,238,0.25);
  color: #EFE9DA;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}
.legend-btn .swatch { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.legend-btn[aria-pressed="true"] {
  border-color: var(--color-gold);
  background: rgba(212,175,55,0.18);
  color: var(--color-gold);
}
.legend-btn:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 2px; }

.diagram-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  gap: 10px;
  flex-wrap: wrap;
}
.diagram-controls .btn { padding: 8px 16px; font-size: 0.85rem; }

.growth-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 22px;
  min-height: 220px;
}
.growth-card .placeholder { color: #6b6b6b; font-style: normal; }
.growth-card h3 { margin-top: 0; }
.growth-card .meta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }

.growth-card-scroll {
  max-height: 420px;
  overflow-y: auto;
}

/* Modal mode on narrow screens */
.growth-card.is-modal {
  position: fixed;
  inset: auto 12px 12px 12px;
  max-height: 70vh;
  overflow-y: auto;
  z-index: 200;
  box-shadow: 0 -6px 24px rgba(0,0,0,0.35);
}
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 190;
}
.modal-backdrop[hidden] { display: none; }
.growth-card.is-modal[hidden] { display: none; }

.card-close {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 32px; height: 32px;
  cursor: pointer;
  float: right;
  font-size: 1rem;
  line-height: 1;
}
.card-close:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 2px; }

.fallback-table-wrap { margin-top: 20px; }

@media (min-width: 900px) {
  .diagram-wrap { position: sticky; top: 84px; }
}

/* ---------- Fallback table (diagram) ---------- */
#diagram-fallback.js-diagram-active { display: none; }

@media print {
  .diagram-wrap, .diagram-legend, .diagram-controls, .growth-card { display: none !important; }
  #diagram-fallback.js-diagram-active { display: block !important; }
}