/* controls.css — buttons, pills, tags, chips and cards used everywhere */

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 46px;
  padding: 0 22px;
  border-radius: var(--r-pill);
  font-size: var(--fs-callout);
  font-weight: 600;
  letter-spacing: -0.005em;
  white-space: nowrap;
}
.btn .icon { width: 16px; height: 16px; }
.btn--primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 6px 18px -6px color-mix(in srgb, var(--accent) 70%, transparent); }
.btn--primary:hover { box-shadow: 0 10px 26px -8px color-mix(in srgb, var(--accent) 80%, transparent); }
.btn--secondary { background: var(--surface); color: var(--text); box-shadow: 0 0 0 1px var(--line-strong); }
.btn--secondary:hover { box-shadow: 0 0 0 1px var(--text-3); }
.btn--tertiary { color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent-line); }
.btn--tertiary:hover { background: var(--accent-soft); }
.btn--small { min-height: 38px; padding: 0 14px; font-size: var(--fs-footnote); }

/* Stat pills */
.stats { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.stat {
  padding: 7px 14px;
  border-radius: var(--r-pill);
  font-size: var(--fs-footnote);
  font-weight: 600;
  color: var(--accent-ink);
  background: var(--accent-soft);
  font-variant-numeric: tabular-nums;
}

/* Tags */
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: var(--track-small);
  color: var(--text-2);
  background: var(--surface-2);
}

/* Cards */
.card {
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: 0 0 0 1px var(--line), var(--shadow-sm);
}
button.card, a.card { text-align: left; width: 100%; }
@media (hover: hover) and (pointer: fine) {
  .card.is-interactive:hover { box-shadow: 0 0 0 1px var(--line-strong), var(--shadow-md); transform: translateY(-2px); }
  .card.is-interactive:active { transform: scale(var(--press-scale)); }
}

/* Small segmented tabs inside a card (ML explorer) */
.subtabs {
  position: relative;
  display: flex;
  gap: 2px;
  padding: 3px;
  border-radius: var(--r-pill);
  background: var(--surface-2);
  width: fit-content;
  max-width: 100%;
}
.subtabs__thumb {
  position: absolute; top: 3px; bottom: 3px; left: 0;
  border-radius: var(--r-pill);
  background: var(--surface);
  box-shadow: var(--shadow-sm), 0 0 0 1px var(--line);
  will-change: transform, width;
}
.subtabs__tab {
  position: relative; z-index: 1;
  height: 36px; padding: 0 16px;
  border-radius: var(--r-pill);
  font-size: var(--fs-footnote); font-weight: 600;
  color: var(--text-2);
  white-space: nowrap;
  transition: color 200ms ease;
}
.subtabs__tab[aria-selected="true"] { color: var(--text); }
@media (max-width: 639px) {
  .subtabs { display: grid; grid-template-columns: 1fr 1fr; width: 100%; border-radius: var(--r-md); }
  .subtabs__thumb { border-radius: 12px; }
  .subtabs__tab { white-space: normal; height: auto; min-height: 40px; padding: 6px 10px; border-radius: 12px; line-height: 1.25; }
}

/* "More" expander for long notes */
.expander__body { position: relative; overflow: hidden; }
.expander.is-collapsed .expander__body::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0; height: 2.6em;
  background: linear-gradient(to bottom, transparent, var(--expander-bg, var(--surface)));
  pointer-events: none;
}
.expander__toggle {
  margin-top: var(--space-2);
  display: inline-flex; align-items: center; gap: 4px;
  font-size: var(--fs-footnote); font-weight: 600;
  color: var(--accent);
  padding: 6px 0;
}
.expander__toggle .icon { width: 14px; height: 14px; transition: transform 280ms var(--ease-out); }
.expander:not(.is-collapsed) .expander__toggle .icon { transform: rotate(180deg); }

/* Toast */
.toast {
  position: fixed;
  left: 50%; bottom: max(var(--space-5), env(safe-area-inset-bottom));
  z-index: 60;
  translate: -50% 0;
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 10px 16px;
  border-radius: var(--r-pill);
  font-size: var(--fs-footnote); font-weight: 600;
  color: var(--bg);
  background: var(--text);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(12px) scale(0.96);
  transition: opacity 180ms ease, transform 320ms var(--ease-out);
  pointer-events: none;
}
.toast.is-shown { opacity: 1; transform: none; }
.toast .icon { width: 16px; height: 16px; color: var(--accent-night); }
:root[data-theme="dark"] .toast .icon { color: var(--accent-day); }