:root {
  color-scheme: light;
  --bg: #eef1f4;
  --surface: #ffffff;
  --surface-soft: #f7f9fb;
  --border: #cfd7df;
  --text: #1f2933;
  --muted: #627181;
  --accent: #007c89;
  --accent-dark: #00616b;
  --danger: #b42318;
  --warning-bg: #fff7e6;
  --warning-border: #f3c56b;
  --shadow: 0 18px 60px rgba(31, 41, 51, 0.18);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

button {
  min-height: 38px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  padding: 0 16px;
  cursor: pointer;
}

button:hover {
  background: var(--accent-dark);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

input,
select {
  width: 100%;
  height: 36px;
  border: 1px solid var(--border);
  background: #fff;
  padding: 6px 10px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
}

.app-shell {
  min-height: 100vh;
}

.auth-view {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, 100%);
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-panel h1,
.topbar h1,
.dialog-header h2,
.panel h3,
.last-order h2 {
  margin: 0;
  color: #4a5561;
}

.workspace {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.topbar p {
  margin: 4px 0 0;
  color: var(--muted);
}

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

.view-tabs {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  background: #fff;
}

.view-tab {
  min-height: 34px;
  border: 0;
  background: #fff;
  color: var(--accent-dark);
  padding: 0 14px;
}

.view-tab:hover {
  background: #e8f6f7;
}

.view-tab.active {
  background: var(--accent);
  color: #fff;
}

.view-panel {
  display: block;
}

.secondary-button {
  background: #fff;
  color: var(--accent-dark);
}

.secondary-button:hover {
  background: #e8f6f7;
}

.order-entry,
.last-order,
.history-panel,
.panel {
  border: 1px solid var(--border);
  background: var(--surface);
}

.order-entry {
  padding: 22px;
}

.entry-row {
  display: grid;
  grid-template-columns: minmax(220px, 360px) auto;
  gap: 12px;
  align-items: end;
  margin-top: 8px;
}

.status-line,
.error-text {
  min-height: 20px;
  margin: 12px 0 0;
  color: var(--muted);
}

.error-text {
  color: var(--danger);
}

.last-order {
  margin-top: 18px;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.history-panel {
  display: grid;
  gap: 14px;
  padding: 18px 22px;
}

.history-panel h2 {
  margin: 0;
  color: #4a5561;
}

.history-tools {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(180px, 280px) auto;
  gap: 10px;
}

.history-list {
  display: grid;
  gap: 8px;
}

.history-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: #fff;
}

.history-row strong {
  color: var(--accent-dark);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.shipping-dialog {
  width: min(1040px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  border: 0;
  padding: 0;
  background: transparent;
}

.label-dialog {
  width: min(720px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  border: 0;
  padding: 0;
  background: transparent;
}

.label-dialog::backdrop {
  background: rgba(20, 28, 36, 0.45);
}

.label-card {
  max-height: calc(100vh - 32px);
  overflow: auto;
}

.shipping-dialog::backdrop {
  background: rgba(20, 28, 36, 0.45);
}

.dialog-card {
  display: grid;
  gap: 16px;
  max-height: calc(100vh - 32px);
  overflow: auto;
  padding: 22px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  box-shadow: var(--shadow);
}

.dialog-header,
.section-heading,
.dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.icon-button {
  width: 36px;
  min-height: 36px;
  padding: 0;
  border-color: var(--border);
  background: #fff;
  color: var(--text);
  font-size: 24px;
  line-height: 1;
}

.icon-button:hover {
  background: #e8edf2;
}

.dialog-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
}

.panel {
  padding: 18px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel h3 {
  margin-bottom: 14px;
  font-size: 18px;
}

.panel-heading h3 {
  margin-bottom: 0;
}

.mini-tabs {
  display: flex;
  border: 1px solid var(--border);
  background: #fff;
}

.mini-tab {
  min-height: 30px;
  border: 0;
  background: #fff;
  color: var(--accent-dark);
  padding: 0 10px;
  font-size: 12px;
  font-weight: 700;
}

.mini-tab:hover {
  background: #e8f6f7;
}

.mini-tab.active {
  background: var(--accent);
  color: #fff;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.package-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.wide {
  grid-column: 1 / -1;
}

.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 14px;
}

.checkbox-row label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 400;
}

.checkbox-row input {
  width: 16px;
  height: 16px;
}

.warning-stack {
  display: grid;
  gap: 8px;
}

.warning {
  border: 1px solid var(--warning-border);
  background: var(--warning-bg);
  padding: 10px 12px;
  color: #6b4b00;
}

.item-list {
  display: grid;
  gap: 8px;
}

.item-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
}

.item-row:first-child {
  border-top: 0;
}

.item-row strong {
  display: block;
  color: var(--accent-dark);
}

.item-meta,
#shipmentSummary {
  color: var(--muted);
  font-size: 13px;
}

.ship-from-panel {
  padding: 0;
}

.link-button {
  width: 100%;
  justify-content: flex-start;
  border: 0;
  background: transparent;
  color: var(--accent-dark);
  text-align: left;
}

.link-button:hover {
  background: #e8f6f7;
}

.ship-from-details {
  padding: 0 18px 18px;
  color: var(--muted);
  line-height: 1.5;
}

.result-body {
  display: grid;
  gap: 12px;
  color: var(--text);
}

.rate-list {
  display: grid;
  gap: 8px;
}

.rate-option {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  cursor: pointer;
}

.rate-option input {
  width: 16px;
  height: 16px;
}

.rate-option-name {
  display: block;
  color: var(--accent-dark);
  font-weight: 700;
}

.rate-option-price {
  font-weight: 700;
}

.address-validation-note {
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
}

.address-candidate-list {
  display: grid;
  gap: 8px;
}

.address-candidate {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: #fff;
  line-height: 1.4;
}

.address-candidate strong {
  color: var(--accent-dark);
}

.validation-alerts {
  display: grid;
  gap: 4px;
}

.tracking-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.tracking-number {
  color: var(--accent-dark);
  font-size: 20px;
  font-weight: 700;
}

.label-preview {
  max-width: 420px;
  width: 100%;
  border: 1px solid var(--border);
  background: #fff;
}

.label-link {
  color: var(--accent-dark);
  font-weight: 700;
}

.dialog-actions {
  justify-content: flex-end;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: min(420px, calc(100vw - 36px));
  padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--text);
  color: #fff;
  box-shadow: var(--shadow);
}

@media (max-width: 760px) {
  .topbar,
  .user-tools,
  .last-order,
  .dialog-header,
  .section-heading,
  .dialog-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .view-tabs {
    width: 100%;
  }

  .view-tab {
    flex: 1;
  }

  .entry-row,
  .history-tools,
  .history-row,
  .dialog-grid,
  .panel-heading,
  .field-grid,
  .package-grid {
    grid-template-columns: 1fr;
  }

  .panel-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .dialog-actions button,
  .entry-row button,
  .history-row button,
  .history-tools button,
  .address-candidate button {
    width: 100%;
  }

  .address-candidate {
    grid-template-columns: 1fr;
  }
}