/* ==========================================================================
   PERFIDIA.WEB — modal.css
   Modales, formularios, product modal, checkout, success screen
   ========================================================================== */

/* -------- MODAL BASE -------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--white);
  width: 100%;
  max-width: 440px;
  padding: 40px;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  opacity: 0.4;
  line-height: 1;
}
.modal-close:hover { opacity: 1; }

.modal h2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

/* -------- MODAL TABS (login/register) -------- */
.modal-tabs {
  display: flex;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--gray-mid);
}
.tab-btn {
  flex: 1;
  padding: 12px;
  background: none;
  border: none;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  opacity: 0.4;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-family: var(--font);
  transition: all .15s;
}
.tab-btn.active {
  opacity: 1;
  border-bottom-color: var(--black);
}

/* -------- FORMULARIOS -------- */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
  opacity: 0.6;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  border: 1px solid var(--gray-mid);
  padding: 11px 14px;
  font-size: 14px;
  font-family: var(--font);
  outline: none;
  transition: border-color .15s;
  background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--black);
}
.form-group textarea {
  height: 100px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-note {
  font-size: 12px;
  color: var(--gray-text);
  margin-top: 14px;
  text-align: center;
}
.form-note a {
  text-decoration: underline;
  cursor: pointer;
}

.form-error {
  color: var(--danger);
  font-size: 12px;
  margin-top: 4px;
  display: none;
}
.form-error.show { display: block; }

/* -------- PRODUCT MODAL -------- */
.product-modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 760px;
}
.product-modal-img {
  aspect-ratio: 3/4;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-modal-info h2 {
  font-size: 22px;
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 8px;
}
.product-modal-price {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}

.size-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
  opacity: 0.6;
}
.size-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.size-btn {
  border: 1px solid var(--gray-mid);
  background: none;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font);
  transition: all .15s;
}
.size-btn:hover,
.size-btn.selected {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.product-modal-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray-text);
  margin-bottom: 20px;
}

/* -------- CHECKOUT MODAL -------- */
.checkout-modal {
  max-width: 680px;
  width: 95vw;
}
.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.checkout-section { margin-bottom: 24px; }
.checkout-section h3 {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gray-mid);
  opacity: 0.6;
}

/* Shipping options */
.shipping-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}
.shipping-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--gray-mid);
  cursor: pointer;
  transition: border-color .15s;
}
.shipping-option.selected { border-color: var(--black); }
.shipping-option input { accent-color: var(--black); }
.shipping-option-info { flex: 1; }
.shipping-option-name {
  font-size: 13px;
  font-weight: 500;
}
.shipping-option-price {
  font-size: 12px;
  color: var(--gray-text);
}

/* Checkout summary */
.checkout-summary {
  background: var(--gray-light);
  padding: 20px;
  margin-bottom: 20px;
}
.checkout-line {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 5px 0;
}
.checkout-line.total {
  font-weight: 700;
  font-size: 15px;
  border-top: 1px solid var(--gray-mid);
  margin-top: 8px;
  padding-top: 12px;
}

/* Payment methods */
.mp-section {
  background: var(--mp-blue);
  color: var(--white);
  padding: 16px;
  text-align: center;
  margin-bottom: 12px;
}
.mp-section h4 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.mp-section p {
  font-size: 13px;
  opacity: 0.9;
  margin-top: 4px;
}

.transfer-section {
  background: var(--gray-light);
  padding: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray-text);
  margin-bottom: 12px;
}
.transfer-section strong { color: var(--black); }

.discount-badge {
  display: inline-block;
  background: var(--success);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  letter-spacing: 0.06em;
}

/* -------- SUCCESS SCREEN -------- */
.success-screen {
  text-align: center;
  padding: 20px 0;
}
.success-icon {
  width: 60px;
  height: 60px;
  background: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--white);
  font-size: 28px;
}
.success-screen h2 {
  text-transform: none;
  letter-spacing: 0;
  font-size: 22px;
  margin-bottom: 10px;
}
.success-screen p {
  font-size: 14px;
  color: var(--gray-text);
  line-height: 1.6;
}

/* -------- RESPONSIVE MODALES -------- */
@media (max-width: 900px) {
  .product-modal-body {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
  .checkout-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .modal {
    padding: 28px 20px;
    max-height: 95vh;
  }
  .modal h2 { font-size: 16px; }
  .form-row { grid-template-columns: 1fr; }
}