/* Shipping Calculator Embed - Modern design, The K-Addy #049387 */
:root {
  --tka-teal: #049387;
  --tka-teal-dark: #037a70;
  --tka-teal-light: rgba(4, 147, 135, 0.12);
  --tka-teal-glow: rgba(4, 147, 135, 0.25);
  --tka-bg: #f0f4f5;
  --tka-bg-subtle: linear-gradient(160deg, #f5f8f9 0%, #eef2f4 100%);
  --tka-card-bg: #fff;
  --tka-border: #e2e8ec;
  --tka-border-focus: #049387;
  --tka-error-bg: #fef6f6;
  --tka-error-border: #e8b4b8;
  --tka-error-text: #9b2c2c;
  --tka-text: #1a202c;
  --tka-text-muted: #64748b;
  --tka-radius: 12px;
  --tka-radius-sm: 8px;
  --tka-radius-full: 9999px;
  --tka-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --tka-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
  --tka-shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.08);
  --tka-transition: 0.2s ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
}

.tka-embed {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--tka-text);
  background: var(--tka-bg-subtle);
  background-color: var(--tka-bg);
  padding: 1.75rem 1.5rem;
  max-width: 920px;
  margin: 0 auto;
  min-height: 100vh;
}

.tka-heading {
  margin: 0 0 1rem;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--tka-text);
  position: relative;
  padding-bottom: 0.75rem;
}

.tka-heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 4px;
  background: var(--tka-teal);
  border-radius: var(--tka-radius-full);
}

.tka-card {
  background: var(--tka-card-bg);
  border-radius: var(--tka-radius);
  box-shadow: var(--tka-shadow-md);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--tka-border);
  transition: box-shadow var(--tka-transition);
}

.tka-card:hover {
  box-shadow: var(--tka-shadow-lg);
}

.tka-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: flex-start;
}

.tka-col-form {
  flex: 1 1 320px;
  min-width: 0;
}

.tka-col-result {
  flex: 1 1 300px;
  min-width: 0;
}

.tka-ems-logo {
  max-width: 100% !important;
  width: auto;
  height: auto;
  object-fit: contain;
}

.tka-form-group {
  margin-bottom: 1.35rem;
}

.tka-label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--tka-text);
}

.tka-input,
.tka-select {
  width: 100%;
  padding: 0.7rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--tka-border);
  border-radius: var(--tka-radius-sm);
  background: var(--tka-card-bg);
  color: var(--tka-text);
  transition: border-color var(--tka-transition), box-shadow var(--tka-transition);
}

.tka-input:hover,
.tka-select:hover {
  border-color: #cbd5e0;
}

.tka-input:focus,
.tka-select:focus {
  outline: none;
  border-color: var(--tka-border-focus);
  box-shadow: 0 0 0 3px var(--tka-teal-light);
}

.tka-input::placeholder {
  color: var(--tka-text-muted);
}

.tka-form-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.tka-form-row .tka-form-group {
  flex: 1 1 80px;
  min-width: 0;
}

.tka-btns {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.tka-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--tka-radius-sm);
  border: none;
  cursor: pointer;
  transition: transform var(--tka-transition), box-shadow var(--tka-transition), background var(--tka-transition);
}

.tka-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.tka-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.tka-btn-primary {
  background: var(--tka-teal);
  color: #fff;
  box-shadow: 0 2px 8px var(--tka-teal-glow);
}

.tka-btn-primary:hover:not(:disabled) {
  background: var(--tka-teal-dark);
  box-shadow: 0 4px 12px var(--tka-teal-glow);
}

.tka-btn-outline {
  background: transparent;
  color: var(--tka-teal);
  border: 2px solid var(--tka-teal);
}

.tka-btn-outline:hover:not(:disabled) {
  background: var(--tka-teal-light);
}

/* Result card - modern block */
.tka-result-card {
  background: linear-gradient(180deg, var(--tka-teal-light) 0%, rgba(255, 255, 255, 0.6) 100%);
  border: 1px solid var(--tka-border);
  border-radius: var(--tka-radius);
  padding: 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.tka-result-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--tka-teal);
  border-radius: 4px 0 0 4px;
}

.tka-eta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--tka-card-bg);
  color: var(--tka-text);
  padding: 0.5rem 0.9rem;
  border-radius: var(--tka-radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
  box-shadow: var(--tka-shadow);
}

.tka-result-row {
  margin-bottom: 1rem;
}

.tka-result-row:last-child {
  margin-bottom: 0;
}

.tka-result-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
  color: var(--tka-text-muted);
}

.tka-result-value {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--tka-teal);
}

.tka-result-card hr {
  border: none;
  border-top: 1px solid var(--tka-border);
  margin: 1rem 0;
  opacity: 0.8;
}

/* Error panel - modern alert */
.tka-error-panel {
  display: none;
  background: var(--tka-error-bg);
  border: 1px solid var(--tka-error-border);
  border-radius: var(--tka-radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  color: var(--tka-error-text);
  position: relative;
  padding-left: 2.5rem;
}

.tka-error-panel::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 1.8rem;
  width: 6px;
  height: 6px;
  background: var(--tka-error-text);
  border-radius: 50%;
}

.tka-error-panel.is-visible {
  display: block;
  animation: tka-fadeIn 0.25s ease;
}

@keyframes tka-fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.tka-error-panel .tka-error-title {
  font-weight: 600;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.tka-error-panel .tka-error-list {
  margin: 0.25rem 0 0;
  padding-left: 1.2rem;
  font-size: 0.9rem;
}

.tka-error-panel .tka-error-list li {
  margin-bottom: 0.2rem;
}

.tka-error-panel #tka-error-single {
  margin-top: 0.35rem;
  font-size: 0.9rem;
  line-height: 1.5;
}

.tka-loading {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: tka-spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 0.4rem;
}

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

/* Rates table - modern */
.tka-rates-section {
  display: none;
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--tka-border);
}

.tka-rates-section.is-visible {
  display: block;
  animation: tka-fadeIn 0.3s ease;
}

.tka-rates-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--tka-teal);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.tka-table-wrap {
  overflow-x: auto;
  border-radius: var(--tka-radius-sm);
  border: 1px solid var(--tka-border);
  box-shadow: var(--tka-shadow);
}

.tka-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.tka-table th,
.tka-table td {
  padding: 0.75rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--tka-border);
}

.tka-table th:first-child,
.tka-table td:first-child {
  padding-left: 1.25rem;
}

.tka-table th:last-child,
.tka-table td:last-child {
  padding-right: 1.25rem;
}

.tka-table thead th {
  background: var(--tka-teal);
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: none;
}

.tka-table thead th:first-child {
  border-radius: var(--tka-radius-sm) 0 0 0;
}

.tka-table thead th:last-child {
  border-radius: 0 var(--tka-radius-sm) 0 0;
}

.tka-table tbody tr {
  transition: background var(--tka-transition);
}

.tka-table tbody tr:hover {
  background: var(--tka-teal-light);
}

.tka-table tbody tr:last-child td {
  border-bottom: none;
}

.tka-table tbody td {
  background: var(--tka-card-bg);
}

.tka-table tbody tr:nth-child(even) td {
  background: #fafbfc;
}

.tka-table tbody tr:nth-child(even):hover td {
  background: var(--tka-teal-light);
}

/* Disclaimers */
.tka-disclaimers {
  margin-top: 1.75rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--tka-border);
}

.tka-disclaimers h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--tka-teal);
  margin: 0 0 0.6rem;
  letter-spacing: -0.01em;
}

.tka-disclaimers ul {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.85rem;
  color: var(--tka-text-muted);
  line-height: 1.65;
}

.tka-disclaimers li {
  margin-bottom: 0.4rem;
}

/* Responsive */
@media (max-width: 640px) {
  .tka-embed {
    padding: 1.25rem 1rem;
  }

  .tka-heading {
    font-size: 1.5rem;
  }

  .tka-card {
    padding: 1.25rem;
  }



  .tka-result-value {
    font-size: 1.35rem;
  }

  .tka-btn {
    width: 100%;
    padding: 0.75rem 1rem;
  }

  .tka-btns {
    flex-direction: column;
  }
}