/* ==========================================================================
   COMPONENTS — Buttony, formularze, karty produktow, badges
   Reusable UI elementy uzywane w calym motywie.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent-green);
  outline-offset: 2px;
}

/* Primary — zielony, glowne CTA */
.btn--primary {
  background-color: var(--color-accent-green);
  color: var(--color-bg-primary);
  border-color: var(--color-accent-green);
}

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

.btn--primary:active {
  background-color: var(--color-accent-green-active);
  border-color: var(--color-accent-green-active);
}

/* Secondary — ghost button, przezroczyste tlo */
.btn--secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border-light);
}

.btn--secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--color-text-primary);
}

/* Gold — premium akcent (Weber, grille) */
.btn--gold {
  background-color: var(--color-accent-gold);
  color: var(--color-bg-primary);
  border-color: var(--color-accent-gold);
}

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

/* Danger — urgency, wyprzedaz */
.btn--danger {
  background-color: var(--color-accent-red);
  color: #fff;
  border-color: var(--color-accent-red);
}

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

/* Rozmiary */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn--full {
  width: 100%;
}

/* Na jasnych sekcjach */
.section--light .btn--secondary {
  color: var(--color-text-dark);
  border-color: var(--color-border-dark);
}

.section--light .btn--secondary:hover {
  background-color: rgba(0, 0, 0, 0.05);
  border-color: var(--color-text-dark);
}

/* --------------------------------------------------------------------------
   Formularze
   -------------------------------------------------------------------------- */

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-border-light);
}

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

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

.form-select {
  appearance: none;
  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='%23a8b5a8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
}

/* Bledy walidacji */
.form-input--error,
.form-select--error,
.form-textarea--error {
  border-color: var(--color-accent-red);
}

.form-input--error:focus,
.form-select--error:focus,
.form-textarea--error:focus {
  box-shadow: 0 0 0 3px var(--color-accent-red-light);
}

.form-error {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-accent-red);
}

/* Formularze na jasnym tle */
.section--light .form-input,
.section--light .form-select,
.section--light .form-textarea {
  background-color: #fff;
  color: var(--color-text-dark);
  border-color: var(--color-border-dark);
}

.section--light .form-input::placeholder,
.section--light .form-textarea::placeholder {
  color: #999;
}

.section--light .form-label {
  color: var(--color-text-dark-secondary);
}

/* --------------------------------------------------------------------------
   Karta produktu
   -------------------------------------------------------------------------- */

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

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

.product-card__image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background-color: var(--color-bg-elevated);
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card__body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: var(--space-4);
  gap: var(--space-2);
}

.product-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
}

.product-card__title a {
  transition: color var(--transition-fast);
}

.product-card__title a:hover {
  color: var(--color-accent-green);
}

.product-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-snug);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__rating {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.product-card__stars {
  color: var(--color-accent-gold);
  letter-spacing: 1px;
}

.product-card__reviews {
  color: var(--color-text-muted);
}

.product-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-top: auto;
}

.product-card__price-current {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
}

.product-card__price-old {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.product-card__price-sale .product-card__price-current {
  color: var(--color-accent-red);
}

.product-card__installment {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.product-card__actions {
  padding: 0 var(--space-4) var(--space-4);
}

.product-card__actions .btn {
  width: 100%;
}

/* --------------------------------------------------------------------------
   Badges
   -------------------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  line-height: 1.4;
}

.badge--bestseller {
  background-color: var(--color-accent-green-light);
  color: var(--color-accent-green);
}

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

.badge--sale {
  background-color: var(--color-accent-red);
  color: #fff;
}

.badge--premium {
  background-color: var(--color-accent-gold-light);
  color: var(--color-accent-gold);
}

/* Badge na karcie produktu — absolutnie pozycjonowany */
.product-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: var(--z-base);
}

/* --------------------------------------------------------------------------
   Trust strip (ikony zaufania na stronie produktu)
   -------------------------------------------------------------------------- */

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.trust-strip__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.trust-strip__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-accent-green);
}

/* --------------------------------------------------------------------------
   Section header (naglowek sekcji z podnaglowkiem)
   -------------------------------------------------------------------------- */

.section-header {
  text-align: center;
  margin-bottom: var(--space-8);
  max-width: 640px;
  margin-inline: auto;
}

.section-header__title {
  margin-bottom: var(--space-3);
}

.section-header__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-snug);
}

.section--light .section-header__subtitle {
  color: var(--color-text-dark-secondary);
}