/* =====================================================
   RESET (same base as booking.css)
===================================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Arial,
    sans-serif;
  background: #f5f7fa;
  color: #182230;
  line-height: 1.5;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

/* =====================================================
   HEADER
===================================================== */

.cart-header {
  background: #ffffff;
  border-bottom: 1px solid #e7ebf0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  width: min(1000px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: #111827;
  color: #ffffff;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-text strong {
  font-size: 17px;
  letter-spacing: -0.3px;
}

.brand-text span {
  margin-top: 4px;
  font-size: 11px;
  color: #7a8491;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.back-link {
  color: #394452;
  font-size: 13px;
  font-weight: 700;
}

.back-link:hover {
  color: #111827;
}

/* =====================================================
   PAGE
===================================================== */

.cart-page {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0 90px;
}

.eyebrow {
  display: block;
  margin-bottom: 8px;
  color: #687381;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.6px;
}

/* =====================================================
   LOOKUP CARD
===================================================== */

.cart-lookup-card {
  background: #ffffff;
  border: 1px solid #e3e7ec;
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(17, 24, 39, 0.035);
  padding: 32px;
  text-align: center;
  margin-bottom: 24px;
}

.cart-lookup-card h1 {
  margin: 0;
  font-size: clamp(24px, 4vw, 30px);
  letter-spacing: -0.8px;
  color: #101722;
}

.cart-lookup-card p {
  max-width: 480px;
  margin: 12px auto 24px;
  color: #697482;
  font-size: 13px;
}

.cart-lookup-form {
  max-width: 420px;
  margin: 0 auto;
}

.cart-code-input-group {
  display: flex;
  gap: 10px;
}

.cart-code-input-group input {
  flex: 1;
  min-height: 50px;
  padding: 0 16px;
  border: 1px solid #d8dee5;
  border-radius: 9px;
  font-size: 18px;
  letter-spacing: 3px;
  text-align: center;
  font-weight: 700;
  color: #1b2531;
  outline: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.cart-code-input-group input:focus {
  border-color: #7b8795;
  box-shadow: 0 0 0 3px rgba(55, 65, 81, 0.08);
}

.cart-code-input-group button {
  flex-shrink: 0;
  padding: 0 22px;
  border: 0;
  border-radius: 9px;
  background: #111827;
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
  transition:
    background 0.2s ease,
    transform 0.2s ease;
}

.cart-code-input-group button:hover {
  background: #202938;
  transform: translateY(-1px);
}

.cart-code-input-group button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.cart-lookup-error {
  display: block;
  margin-top: 12px;
  color: #b4232e;
  font-size: 12px;
  font-weight: 700;
}

/* =====================================================
   EMPTY STATE
===================================================== */

.cart-empty-state {
  background: #ffffff;
  border: 1px dashed #d8dee5;
  border-radius: 14px;
  padding: 56px 32px;
  text-align: center;
}

.cart-empty-icon {
  display: inline-grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #f3f5f7;
  font-size: 22px;
  margin-bottom: 16px;
}

.cart-empty-state h2 {
  margin: 0;
  font-size: 18px;
  color: #17202c;
}

.cart-empty-state p {
  margin: 8px 0 0;
  color: #77818e;
  font-size: 13px;
}

/* =====================================================
   LOADING STATE
===================================================== */

.cart-loading-state {
  background: #ffffff;
  border: 1px solid #e3e7ec;
  border-radius: 14px;
  padding: 56px 32px;
  text-align: center;
}

.cart-spinner {
  width: 30px;
  height: 30px;
  margin: 0 auto 16px;
  border: 3px solid #e3e7eb;
  border-top-color: #111827;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.cart-loading-state p {
  margin: 0;
  color: #7c8692;
  font-size: 13px;
}

/* =====================================================
   RESULT STATE
===================================================== */

.cart-result-card {
  background: #ffffff;
  border: 1px solid #e3e7ec;
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(17, 24, 39, 0.035);
  padding: 28px;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cart-result-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.cart-result-header h2 {
  margin: 0;
  font-size: 19px;
  color: #17202c;
  letter-spacing: -0.4px;
}

.cart-status-badge {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.cart-status-badge.is-unpaid {
  background: #fff4e5;
  color: #a15c00;
}

.cart-status-badge.is-paid {
  background: #eaf7ef;
  color: #197647;
}

.cart-detail-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cart-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 13px;
}

.cart-detail-row span {
  color: #7c8692;
}

.cart-detail-row strong {
  color: #27313e;
  text-align: right;
}

.cart-detail-row--total {
  padding-top: 10px;
  border-top: 1px solid #e8ebef;
  font-size: 16px;
}

.cart-detail-row--total strong {
  color: #111827;
}

.cart-divider {
  height: 1px;
  background: #e8ebef;
  margin: 18px 0;
}

.cart-result-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.secondary-action,
.primary-action {
  flex: 1;
  min-height: 50px;
  min-width: 160px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.secondary-action {
  background: #ffffff;
  border: 1px solid #cfd6de;
  color: #293442;
}

.secondary-action:hover {
  background: #f8fafb;
  transform: translateY(-1px);
}

.primary-action {
  border: 0;
  background: #111827;
  color: #ffffff;
  box-shadow: 0 5px 15px rgba(17, 24, 39, 0.13);
}

.primary-action:hover {
  background: #202938;
  transform: translateY(-1px);
}

.primary-action:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* =====================================================
   RESPONSIVE
===================================================== */

@media (max-width: 600px) {
  .cart-page {
    padding-top: 28px;
  }

  .cart-lookup-card,
  .cart-empty-state,
  .cart-loading-state,
  .cart-result-card {
    padding: 24px 18px;
  }

  .cart-code-input-group {
    flex-direction: column;
  }

  .cart-code-input-group button {
    width: 100%;
    padding: 14px;
  }

  .cart-result-header {
    flex-direction: column;
  }

  .cart-result-actions {
    flex-direction: column;
  }

  .secondary-action,
  .primary-action {
    width: 100%;
  }
}