.ddr-shopee-tracking {
  --ddr-orange: #ee4d2d;
  --ddr-text: #1f2937;
  --ddr-bg: #fff7f3;
  --ddr-border: #ffd8cc;
  --ddr-white: #ffffff;
  --ddr-shadow: 0 10px 28px rgba(31, 41, 55, 0.10);
  --ddr-radius: 14px;
  --ddr-radius-sm: 10px;
  --ddr-focus: 0 0 0 4px rgba(238, 77, 45, 0.20);
  color: var(--ddr-text);
  font-family: inherit;
}

.ddr-shopee-tracking * {
  box-sizing: border-box;
}

.ddr-shopee-tracking a {
  color: var(--ddr-orange);
  text-decoration: none;
}

.ddr-shopee-tracking a:hover,
.ddr-shopee-tracking a:focus {
  text-decoration: underline;
}

.ddr-shopee-tracking .ddr-st-card {
  max-width: 760px;
  margin: 0 auto;
  background: var(--ddr-white);
  border: 1px solid var(--ddr-border);
  border-radius: var(--ddr-radius);
  box-shadow: var(--ddr-shadow);
  overflow: hidden;
}

.ddr-shopee-tracking .ddr-st-card--main {
  background: linear-gradient(180deg, var(--ddr-bg) 0%, #ffffff 55%);
}

.ddr-shopee-tracking .ddr-st-header {
  padding: 20px 18px 12px;
}

.ddr-shopee-tracking .ddr-st-title {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.ddr-shopee-tracking .ddr-st-intro {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.6;
  opacity: 0.92;
}

.ddr-shopee-tracking .ddr-st-form {
  padding: 8px 18px 18px;
}

.ddr-shopee-tracking .ddr-st-label {
  display: block;
  margin: 0 0 8px;
  font-weight: 600;
  font-size: 14px;
}

.ddr-shopee-tracking .ddr-st-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.ddr-shopee-tracking .ddr-st-input {
  width: 100%;
  border: 1px solid var(--ddr-border);
  border-radius: var(--ddr-radius-sm);
  padding: 12px 12px;
  font-size: 16px;
  line-height: 1.2;
  background: #ffffff;
  color: var(--ddr-text);
  outline: none;
}

.ddr-shopee-tracking .ddr-st-input:focus {
  border-color: var(--ddr-orange);
  box-shadow: var(--ddr-focus);
}

.ddr-shopee-tracking .ddr-st-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  border: 0;
  border-radius: var(--ddr-radius-sm);
  padding: 12px 14px;
  font-size: 16px;
  font-weight: 700;
  background: var(--ddr-orange);
  color: #ffffff;
  cursor: pointer;
  transition: transform 120ms ease, filter 120ms ease, opacity 120ms ease;
  text-decoration: none;
  user-select: none;
}

.ddr-shopee-tracking .ddr-st-btn:hover {
  filter: brightness(0.98);
}

.ddr-shopee-tracking .ddr-st-btn:active {
  transform: translateY(1px);
}

.ddr-shopee-tracking .ddr-st-btn:focus {
  outline: none;
  box-shadow: var(--ddr-focus);
}

.ddr-shopee-tracking .ddr-st-btn[disabled] {
  opacity: 0.72;
  cursor: not-allowed;
  transform: none;
}

.ddr-shopee-tracking .ddr-st-btn--secondary {
  background: #ffffff;
  color: var(--ddr-orange);
  border: 1px solid var(--ddr-border);
}

.ddr-shopee-tracking .ddr-st-btn--secondary:hover {
  text-decoration: none;
  filter: none;
  background: var(--ddr-bg);
}

.ddr-shopee-tracking .ddr-st-btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.55);
  border-top-color: #ffffff;
  border-radius: 999px;
  display: none;
  animation: ddr-st-spin 0.8s linear infinite;
}

.ddr-shopee-tracking .ddr-st-btn.is-loading .ddr-st-btn-spinner {
  display: inline-block;
}

.ddr-shopee-tracking .ddr-st-help {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.5;
  min-height: 1.5em;
}

.ddr-shopee-tracking .ddr-st-help.is-error {
  color: #b42318;
  font-weight: 600;
}

.ddr-shopee-tracking .ddr-st-result {
  padding: 0 18px 18px;
}

.ddr-shopee-tracking .ddr-st-card--result {
  background: #ffffff;
  border-radius: var(--ddr-radius);
}

.ddr-shopee-tracking .ddr-st-result-grid {
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.ddr-shopee-tracking .ddr-st-field {
  background: var(--ddr-bg);
  border: 1px solid var(--ddr-border);
  border-radius: 12px;
  padding: 12px 12px;
}

.ddr-shopee-tracking .ddr-st-field-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  opacity: 0.75;
}

.ddr-shopee-tracking .ddr-st-field-value {
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.5;
  word-break: break-word;
}

.ddr-shopee-tracking .ddr-st-field--full {
  grid-column: 1 / -1;
}

.ddr-shopee-tracking .ddr-st-actions {
  padding: 0 16px 16px;
}

.ddr-shopee-tracking .ddr-st-footnote {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.6;
  opacity: 0.9;
}

.ddr-shopee-tracking .ddr-st-links {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  font-size: 13px;
}

.ddr-shopee-tracking .ddr-st-links-sep {
  opacity: 0.5;
}

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

@media (min-width: 680px) {
  .ddr-shopee-tracking .ddr-st-header {
    padding: 24px 24px 12px;
  }

  .ddr-shopee-tracking .ddr-st-form {
    padding: 8px 24px 24px;
  }

  .ddr-shopee-tracking .ddr-st-result {
    padding: 0 24px 24px;
  }

  .ddr-shopee-tracking .ddr-st-row {
    grid-template-columns: 1fr 190px;
    align-items: stretch;
  }

  .ddr-shopee-tracking .ddr-st-btn {
    height: 100%;
  }

  .ddr-shopee-tracking .ddr-st-result-grid {
    grid-template-columns: 1fr 1fr;
  }

  .ddr-shopee-tracking .ddr-st-actions {
    display: flex;
    justify-content: flex-end;
  }

  .ddr-shopee-tracking .ddr-st-btn--secondary {
    width: auto;
    min-width: 240px;
  }
}