/* ============================================================
   ENERGHER — checkout.css
   ============================================================ */

.checkout-page {
  background: var(--color-bg);
  min-height: 100vh;
  padding-top: 6rem;
}

.checkout-page__inner {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 3rem;
  max-width: 1060px;
  margin: 0 auto;
  padding: 3rem clamp(1.5rem, 4vw, 2.5rem) 5rem;
  align-items: start;
}
@media (max-width: 840px) {
  .checkout-page__inner {
    grid-template-columns: 1fr;
  }
  .checkout-page__summary { order: -1; }
}

/* ── Form column ── */
.checkout-page__form h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  margin-bottom: 2.5rem;
}

.checkout-page__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  transition: color var(--transition), gap var(--transition);
}
.checkout-page__back:hover { color: var(--color-primary); gap: 0.6rem; }

.checkout-fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  background: var(--color-surface);
}

.checkout-fieldset legend {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  padding: 0 0.5rem;
}

.checkout-fieldset__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.25rem;
}
@media (max-width: 500px) {
  .checkout-fieldset__grid { grid-template-columns: 1fr; }
}
.checkout-fieldset__grid .full-width {
  grid-column: 1 / -1;
}

.checkout-input {
  display: block;
  width: 100%;
  background: var(--color-surface-2);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.8em 1.1em;
  font-size: 0.92rem;
  color: var(--color-text);
  transition: border-color var(--transition);
  margin-top: 0.25rem;
}
.checkout-input:focus {
  border-color: var(--color-primary);
  outline: none;
  background: var(--color-surface);
}
.checkout-input::placeholder { color: var(--color-muted); opacity: 0.6; }

.checkout-input-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

select.checkout-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235A7A2E' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.checkout-terms {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
  cursor: pointer;
}
.checkout-terms input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.checkout-submit-btn {
  width: 100%;
  padding: 1em 2em;
  font-size: 1rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
}

/* Success state */
#checkout-success {
  text-align: center;
  padding: 3rem;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
#checkout-success h2 {
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}
#checkout-success p {
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

/* ── Summary column ── */
.checkout-page__summary {
  position: sticky;
  top: 7rem;
}

.checkout-summary-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.checkout-summary-card h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.checkout-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.88rem;
  color: var(--color-text);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(90, 122, 46, 0.06);
}
.checkout-item:last-of-type { border-bottom: none; }

.checkout-empty {
  font-size: 0.88rem;
  color: var(--color-muted);
  font-style: italic;
  text-align: center;
  padding: 1rem 0;
}

.checkout-summary-totals {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 2px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.checkout-summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--color-muted);
}

.checkout-summary-row--total {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 0.25rem;
}

.checkout-summary-row span:last-child {
  font-weight: 600;
  color: var(--color-primary);
}
.checkout-summary-row--total span:last-child {
  font-size: 1.35rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
}

.checkout-free-ship {
  font-size: 0.78rem;
  color: var(--color-secondary);
  font-weight: 600;
  text-align: right;
  margin-top: 0.25rem;
}

/* ── Inline validation errors ── */
.checkout-input--error {
  border-color: #c0392b !important;
  background: rgba(192, 57, 43, 0.04) !important;
}

.checkout-error {
  font-size: 0.78rem;
  color: #c0392b;
  margin-top: 0.3rem;
  font-weight: 500;
}