/* ============================================================
   ZYLITH — Checkout Page Stylesheet
   Full redesign: premium two-column luxury layout
   ============================================================ */

/* ── PAGE LAYOUT ── */
.checkout-page {
  display: grid;
  grid-template-columns: 1fr 420px;
  min-height: 100vh;
  margin-top: 0;
}

/* ── LEFT PANEL (Form) ── */
.checkout-main {
  background: var(--void);
  padding: 3.5rem 4rem 5rem;
  border-right: 1px solid var(--border);
  min-height: 100vh;
}

.checkout-brand {
  font-family: var(--ff-cinzel);
  font-size: 0.9rem;
  letter-spacing: 0.4em;
  color: var(--ivory);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 2.5rem;
}

.checkout-main h1 {
  font-family: var(--ff-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 400;
  color: var(--ivory);
  margin-bottom: 1.5rem;
}

/* ── STEPPER ── */
.checkout-stepper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  font-family: var(--ff-cinzel);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.stepper-step {
  color: var(--ivory-ghost);
  padding-bottom: 2px;
  transition: color 0.3s;
}

.stepper-step.active {
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
}

.stepper-sep {
  color: var(--border-strong);
  font-size: 0.8rem;
}

/* ── FORM SECTIONS ── */
.form-section {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
  border-bottom: none;
}

.form-section-title {
  font-family: var(--ff-cinzel);
  font-size: 0.6rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold-dim);
  margin-bottom: 1.25rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  font-size: 0.75rem;
  color: var(--ivory-ghost);
  letter-spacing: 0.03em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--ivory);
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
  font-family: var(--ff-body);
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold-dim);
  box-shadow: 0 0 0 3px var(--gold-glow);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23b8891e' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group select option {
  background: var(--surface);
}

/* ── DELIVERY OPTIONS ── */
.delivery-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.delivery-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
}

.delivery-option:has(input:checked) {
  border-color: var(--gold-dim);
  background: var(--surface-alt);
}

.delivery-option input[type="radio"] {
  accent-color: var(--gold);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  cursor: pointer;
}

.delivery-option-label {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.delivery-option-label strong {
  font-size: 0.88rem;
  color: var(--ivory);
  font-weight: 500;
}

.delivery-option-label span {
  font-size: 0.75rem;
  color: var(--ivory-ghost);
}

.delivery-option-price {
  font-family: var(--ff-display);
  font-size: 1rem;
  color: var(--gold);
  font-weight: 400;
}

/* ── SAVE ADDRESS CHECKBOX ── */
.save-address-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.save-address-row input[type="checkbox"] {
  accent-color: var(--gold);
  width: 14px;
  height: 14px;
  cursor: pointer;
}

.save-address-row label {
  font-size: 0.78rem;
  color: var(--ivory-ghost);
  cursor: pointer;
}

/* ── PAYMENT MSG ── */
#paymentMsg {
  min-height: 1.2rem;
  font-size: 0.82rem;
  margin-bottom: 0.5rem;
}

#paymentMsg.err { color: #ff9999; }
#paymentMsg.ok  { color: #6ddb6d; }

/* ── CHECKOUT BUTTON ── */
.checkout-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: var(--gold);
  color: var(--void);
  font-family: var(--ff-cinzel);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  padding: 1.1rem 1.5rem;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
}

.checkout-btn:hover:not(:disabled) {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(227, 180, 60, 0.25);
}

.checkout-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.rzp-secure-note {
  font-size: 0.72rem;
  color: var(--ivory-ghost);
  text-align: center;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

/* ── RIGHT PANEL (Summary) ── */
.checkout-order-summary {
  background: var(--surface);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 3.5rem 2.5rem;
  border-left: 1px solid var(--border);
}

.checkout-order-summary h3 {
  font-family: var(--ff-cinzel);
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold-dim);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

/* ── ORDER ITEMS ── */
.checkout-items-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.checkout-item {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 0.9rem;
  align-items: center;
}

.checkout-item img {
  width: 56px;
  height: 70px;
  object-fit: cover;
  border-radius: 2px;
  border: 1px solid var(--border);
}

.checkout-item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.checkout-item-name {
  font-family: var(--ff-display);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--ivory);
  margin: 0;
}

.checkout-item-var {
  font-family: var(--ff-cinzel);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ivory-ghost);
  margin: 0;
}

.checkout-item-qty {
  font-size: 0.75rem;
  color: var(--ivory-ghost);
  margin: 0;
}

.checkout-item-price {
  font-family: var(--ff-display);
  font-size: 1rem;
  color: var(--gold);
  white-space: nowrap;
}

/* ── TOTALS ── */
.checkout-totals {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--ivory-dim);
}

.summary-row span:last-child {
  color: var(--ivory);
}

.summary-row.total {
  font-size: 1rem;
  color: var(--ivory);
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
}

.summary-row.total span:last-child {
  font-family: var(--ff-display);
  font-size: 1.25rem;
  color: var(--gold);
}

/* ── DISCOUNT CODE ── */
.discount-row {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.discount-input {
  flex: 1;
  background: var(--surface-alt);
  border: none;
  color: var(--ivory);
  padding: 0.7rem 0.9rem;
  font-size: 0.83rem;
  font-family: var(--ff-body);
  outline: none;
}

.discount-input::placeholder {
  color: var(--ivory-ghost);
}

.discount-btn {
  background: var(--surface-mid);
  border: none;
  border-left: 1px solid var(--border);
  color: var(--gold);
  font-family: var(--ff-cinzel);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.7rem 1rem;
  cursor: pointer;
  transition: background 0.3s;
  white-space: nowrap;
}

.discount-btn:hover {
  background: var(--surface-deep);
}

.discount-msg {
  font-size: 0.78rem;
  min-height: 1rem;
  color: var(--ivory-ghost);
}

.discount-msg.error {
  color: #ff9999;
}

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  .checkout-page {
    grid-template-columns: 1fr;
  }

  .checkout-order-summary {
    position: static;
    height: auto;
    border-left: none;
    border-top: 1px solid var(--border);
    overflow: visible;
  }

  .checkout-main {
    padding: 2.5rem 1.5rem;
    border-right: none;
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .checkout-main {
    padding: 2rem 1rem;
  }

  .checkout-order-summary {
    padding: 2rem 1rem;
  }
}