/* ============================================================
   COMPONENTS.CSS — Componentes reutilizables
   Botones, cards, badges, tags, formularios, scroll reveal
   ============================================================ */


/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-default),
    color var(--transition-default),
    border-color var(--transition-default),
    transform var(--transition-fast),
    box-shadow var(--transition-default);
  white-space: nowrap;
  user-select: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

/* Primary */
.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background-color: var(--color-accent-light);
  border-color: var(--color-accent-light);
  box-shadow: var(--shadow-accent);
}

/* Secondary (outlined) */
.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-primary);
}

/* Outline (lighter) */
.btn--outline {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--outline:hover {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

/* Ghost (no border) */
.btn--ghost {
  background-color: transparent;
  color: var(--color-accent);
  border-color: transparent;
  padding: 10px 20px;
}

.btn--ghost:hover {
  background-color: var(--color-accent-soft);
}

/* White (for dark backgrounds) */
.btn--white {
  background-color: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-surface);
}

.btn--white:hover {
  background-color: transparent;
  color: var(--color-text-inverse);
  border-color: var(--color-text-inverse);
}

/* Button sizes */
.btn--sm {
  padding: 10px 20px;
  font-size: var(--text-sm);
}

.btn--lg {
  padding: 18px 40px;
  font-size: var(--text-lg);
}

/* Button icon */
.btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}


/* ============================================================
   CARDS
   ============================================================ */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    transform var(--transition-default),
    box-shadow var(--transition-default);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card__body {
  padding: var(--space-lg);
}

.card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  line-height: var(--leading-snug);
}

.card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-sm);
}

.card__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-md);
}

.card__footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Card con borde de color de producto */
.card--product {
  border-top: 3px solid var(--card-product-color, var(--color-accent));
}

/* Card featured */
.card--featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}


/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  line-height: 1;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge--default {
  background-color: var(--color-surface-alt);
  color: var(--color-text-muted);
}

.badge--green {
  background-color: var(--color-success-soft);
  color: var(--color-success);
}

.badge--blue {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
}

.badge--red {
  background-color: var(--color-error-soft);
  color: var(--color-error);
}

.badge--gold {
  background-color: #FFF8E1;
  color: #B7791F;
}


/* ============================================================
   TAGS
   ============================================================ */
.tag {
  display: inline-block;
  padding: 6px 14px;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
  cursor: pointer;
}

.tag:hover,
.tag--active {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}


/* ============================================================
   ICON WRAPPER
   ============================================================ */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon--sm {
  width: 20px;
  height: 20px;
}

.icon--md {
  width: 24px;
  height: 24px;
}

.icon--lg {
  width: 32px;
  height: 32px;
}

.icon--xl {
  width: 48px;
  height: 48px;
}

/* Icon circle background */
.icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  flex-shrink: 0;
}

.icon-circle--lg {
  width: 72px;
  height: 72px;
}

.icon-circle svg {
  width: 24px;
  height: 24px;
}

.icon-circle--lg svg {
  width: 32px;
  height: 32px;
}


/* ============================================================
   FORM INPUTS
   ============================================================ */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-light);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.12);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-light);
}

/* Input error state */
.form-input--error {
  border-color: var(--color-error);
}

.form-input--error:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

/* Input success state */
.form-input--success {
  border-color: var(--color-success);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-xs);
}

/* Select arrow */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}


/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.6s ease-out,
    transform 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for grid children */
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0s; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal-stagger > .reveal:nth-child(6) { transition-delay: 0.5s; }

/* Slide from left */
.reveal--left {
  opacity: 0;
  transform: translateX(-30px);
}

.reveal--left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Slide from right */
.reveal--right {
  opacity: 0;
  transform: translateX(30px);
}

.reveal--right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale up */
.reveal--scale {
  opacity: 0;
  transform: scale(0.95);
}

.reveal--scale.visible {
  opacity: 1;
  transform: scale(1);
}


/* ============================================================
   LOADING SPINNER
   ============================================================ */
.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}


/* ============================================================
   TOOLTIP (simple)
   ============================================================ */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 12px;
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: var(--z-tooltip);
}

[data-tooltip]:hover::after {
  opacity: 1;
}