/*
ARCHIVO: css/components.css
ROL: Componentes reutilizables: cards, botones, avisos, colapsables.

TOC:
  1) .card y hover
  2) .hint
  3) .result / .error / .result-text / .button-group
  4) Botones: .calc / .clear / .copy (+ :hover/:focus)
  5) .toast (+ .show)
  6) Colapsables: .collapse-content / .collapse-btn (+ :hover/:focus)

*/
/* ========== Componentes (cards, botones, bloques, toast, colapsables) ========== */
.card {
  background: var(--card);
  border: 1.5px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(124,58,237,.08);
  padding: 1.5rem 2rem;
  margin-bottom: 1rem;
  transition: box-shadow 0.3s;
}
.card:hover {
  box-shadow: 0 8px 32px rgba(124,58,237,.18);
}
.hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.25rem;
}
.result {
  margin-top: 1rem;
  padding: 1rem;
  background: #181a20;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--brand);
  min-height: 2.3em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--stroke);
}
.error {
  color: #ef4444;
  font-weight: 700;
  margin-top: 0.5rem;
}
.result-text {
  flex-grow: 1;
}
.button-group {
  display: flex;
  align-items: center;
}
/* Botones */
button.calc {
  background: var(--brand);
  color: #fff;
  border: none;
  cursor: pointer;
  margin-top: 1rem;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 12px;
  transition: background 0.3s;
}
button.calc:hover, button.calc:focus {
  background: #5b21b6;
}
button.clear {
  background: #e60000;
  margin-top: 0.5rem;
  font-weight: 700;
  border: none;
  color: white;
  border-radius: 12px;
  cursor: pointer;
  font-size: 0.95rem;
  width: auto;
  padding: 0.45rem 1rem;
  transition: background 0.3s;
}
button.clear:hover, button.clear:focus {
  background: #990000;
}
button.copy {
  background: var(--brand-2);
  margin-top: 0.5rem;
  font-weight: 700;
  border: none;
  color: white;
  border-radius: 12px;
  cursor: pointer;
  font-size: 0.95rem;
  width: auto;
  padding: 0.45rem 1rem;
  transition: background 0.3s;
  margin-left: 10px;
}
button.copy:hover, button.copy:focus {
  background: #15803d;
}
/* Toast */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: #181a20;
  color: #fff;
  padding: 0.8em 2em;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
  z-index: 9999;
  border: 1px solid var(--stroke);
}
.toast.show {
  opacity: 1;
  pointer-events: auto;
}
/* Colapsables */
.collapse-content {
  display: none;
  transition: max-height 0.3s;
}
.collapse-content.show {
  display: block;
}
.collapse-btn {
  background: #181a20;
  color: var(--brand);
  border: 1.5px solid var(--stroke);
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  margin-bottom: 1rem;
  padding: 0.45rem 1rem;
  width: auto;
  font-size: 1rem;
  transition: background 0.2s;
  box-shadow: 0 2px 8px rgba(124,58,237,.08);
}
.collapse-btn:hover, .collapse-btn:focus {
  background: #23262f;
}