/* ─── buttons (HUD treatment, semantic variants preserved) ─────────── */

/* button_to generates a <form>; make it transparent to flex layouts */
.card-actions form, .form-inline { display: contents; }

.btn, .btn-secondary, .btn-complete, .btn-skip {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #fff, var(--surface-3));
  color: var(--text);
  cursor: pointer;
  /* Only background-color animates — transitioning the `background` shorthand
     would also animate background-position, making the select caret zip away. */
  transition: border-color 0.12s, color 0.12s, background-color 0.12s, box-shadow 0.12s, transform 0.12s;
}
.btn:hover, .btn-secondary:hover, .btn-skip:hover {
  border-color: var(--cyan);
  color: var(--accent);
  text-decoration: none;
}

/* primary — solid cyan, the strong CTA */
.btn {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--on-accent);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.5) inset, var(--cyan-glow-sm);
}
.btn:hover { background-color: var(--accent); border-color: var(--accent); color: var(--on-accent); }

/* success — same shape as primary but for "complete" actions.
   Cyan, NOT green. Marked with a check shape via the label. */
.btn-complete {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--on-accent);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.5) inset, var(--cyan-glow-sm);
  padding: 0.5rem 0.9rem;
}
.btn-complete:hover { background-color: var(--accent); border-color: var(--accent); }

/* neutral / ghost — outlined */
.btn-secondary, .btn-skip {
  padding: 0.45rem 0.85rem;
  background: var(--surface);
  color: var(--muted);
}
.btn-skip { background: transparent; }

.btn-danger {
  color: var(--red);
  border-color: var(--red);
  background: var(--surface);
}
.btn-danger:hover {
  background-color: var(--red-bg);
  color: var(--red);
  border-color: var(--red);
}

.btn-warn {
  color: var(--yellow);
  border-color: var(--yellow);
  background: var(--surface);
}
.btn-warn:hover {
  background-color: var(--yellow-bg);
  color: var(--yellow);
  border-color: var(--yellow);
}

select.btn, select.btn-secondary {
  appearance: none; -webkit-appearance: none; -moz-appearance: none;
  line-height: 1.5;
  padding-right: 2rem;
  background-repeat: no-repeat;
  background-position: right 0.7rem center;
}
/* The caret stroke is hardcoded per variant: `currentColor` does not resolve
   inside a data-URI background image (the SVG is its own document), so the
   caret must be colored to match each variant's text explicitly. */
select.btn {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6' fill='none'><path d='M1 1L5 5L9 1' stroke='white' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/></svg>");
}
select.btn-secondary {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6' fill='none'><path d='M1 1L5 5L9 1' stroke='%236B7585' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/></svg>");
}
select.btn option, select.btn-secondary option {
  color: var(--text); background: var(--surface);
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
}

/* filter-chip selected state — kept here (after the base button rules it
   overrides) so it always wins regardless of cross-file load order. */
.btn-filter-active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--on-accent);
}

/* focus ring — cyan halo */
.btn:focus-visible, .btn-secondary:focus-visible, .btn-complete:focus-visible,
.btn-skip:focus-visible, .btn-danger:focus-visible, .btn-warn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 1px;
  box-shadow: 0 0 0 4px var(--accent-glow);
}