/* ============================================================
   STAMPEA - Componentes base
   Botones, toggles, inputs reutilizables
   ============================================================ */

/* ============================================================
   BOTONES
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-2xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-family);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

/* Estado disabled */
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== BOTÓN PRIMARIO (naranja) ===== */
.btn-primary {
  background: var(--gradient-action);
  color: var(--color-white);
  box-shadow: var(--shadow-orange);
  border: none;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(253, 90, 1, 0.5);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

[data-theme="dark"] .btn-primary {
  background: linear-gradient(135deg, #FD5A01 0%, #FFCE00 100%);
  color: var(--color-navy);
}

/* ===== BOTÓN SECUNDARIO (teal sólido) ===== */
.btn-secondary {
  background: var(--color-teal);
  color: var(--color-white);
  border: 2px solid var(--color-teal-dark);
  box-shadow: var(--shadow-teal);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-teal-dark);
  transform: translateY(-2px);
}

[data-theme="dark"] .btn-secondary {
  background: var(--color-navy);
  color: var(--color-orange);
  border-color: var(--color-orange);
}

/* ===== BOTÓN OUTLINE (solo borde) ===== */
.btn-outline {
  background: transparent;
  color: var(--color-teal);
  border: 2px solid var(--color-teal);
}

.btn-outline:hover:not(:disabled) {
  background: var(--color-teal);
  color: var(--color-white);
}

/* ===== BOTÓN BLOCK (ocupa todo el ancho) ===== */
.btn-block {
  width: 100%;
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-base);
}

/* ===== BOTÓN GRANDE ===== */
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

/* ===== BOTÓN PEQUEÑO ===== */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

/* ============================================================
   ÍCONOS GENÉRICOS (con SVG inline)
   ============================================================ */

.icon {
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
}

.icon-sm { width: 1em; height: 1em; }
.icon-lg { width: 1.5em; height: 1.5em; }

/* ============================================================
   LOADING / SPINNER
   ============================================================ */

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-bg-pale);
  border-top-color: var(--color-teal);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-bar {
  width: 64px;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.loading-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--color-white);
  border-radius: var(--radius-full);
  animation: loadingBar 1.5s ease-in-out infinite;
}

/* ============================================================
   TARJETAS
   ============================================================ */

.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .card {
  background: var(--color-bg-pale);
}

/* ============================================================
   TOGGLE DE TEMA (claro/oscuro)
   ============================================================ */

.theme-toggle {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-sticky);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.theme-toggle:hover {
  transform: scale(1.1);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  color: var(--color-white);
}

[data-theme="dark"] .theme-toggle {
  background: rgba(255, 206, 0, 0.2);
  border-color: var(--color-gold);
}

[data-theme="dark"] .theme-toggle svg {
  color: var(--color-gold);
}