:root {
  --color-header-dark: #17365d;
  --color-section-header: #1f4e78;
  --color-table-header: #d9eaf7;
  --color-input-bg: #fff2cc;
  --color-input-border: #c9a227;
  --color-input-text: #1a1a1a;
  --color-output-bg: #e2f0d9;
  --color-output-border: #7cb87f;
  --color-warning-bg: #fce4d6;
  --color-warning-text: #7a1216;
  --color-ready: #1e7e34;
  --color-error: #b00020;
  --color-page-bg: #f3f4f6;
  --color-panel-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #55606b;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 6px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-page-bg);
  color: var(--color-text);
  line-height: 1.5;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #fff;
  padding: 0.75rem 1rem;
  z-index: 100;
}
.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-header {
  background: var(--color-header-dark);
  color: #fff;
  padding: 1.5rem 1rem;
}
.app-header__inner {
  max-width: 1100px;
  margin: 0 auto;
}
.app-header__home {
  color: #cfe0f0;
  text-decoration: none;
  font-size: 0.9rem;
}
.app-header__home:hover,
.app-header__home:focus {
  text-decoration: underline;
}
.app-header h1 {
  margin: 0.5rem 0 0.25rem;
  font-size: 1.6rem;
}
.app-header__subtitle {
  margin: 0;
  color: #dbe8f4;
  font-size: 0.95rem;
}

.app-main {
  max-width: 1100px;
  margin: 1.5rem auto;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.panel {
  background: var(--color-panel-bg);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
  overflow: hidden;
}
.panel__title {
  background: var(--color-section-header);
  color: #fff;
  margin: 0;
  padding: 0.75rem 1rem;
  font-size: 1.05rem;
}
.panel__body {
  padding: 1rem;
}
.panel__body--split {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 1.5rem;
}

@media (max-width: 800px) {
  .panel__body--split {
    grid-template-columns: 1fr;
  }
}

.input-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.leg-group {
  border: 1px solid #d7dce1;
  border-radius: var(--radius);
  padding: 0.75rem 1rem 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1rem;
}
.leg-group legend {
  font-weight: 600;
  padding: 0 0.35rem;
  color: var(--color-section-header);
}
.leg-group .hint {
  font-weight: 400;
  color: var(--color-muted);
  font-size: 0.85rem;
}

@media (max-width: 480px) {
  .leg-group {
    grid-template-columns: 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.field--inline {
  max-width: 320px;
  margin-bottom: 1rem;
}
.field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.input {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.5rem 0.6rem;
  border-radius: 4px;
  border: 1.5px solid var(--color-input-border);
}
.input--yellow {
  background: var(--color-input-bg);
  color: var(--color-input-text);
}
.input--yellow:focus-visible {
  outline: 3px solid #2563eb;
  outline-offset: 1px;
}

.field-error {
  margin: 0;
  color: var(--color-error);
  font-size: 0.8rem;
  font-weight: 600;
}

.input-form__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.55rem 1rem;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn--secondary {
  background: #eef2f6;
  border-color: #c7d0da;
  color: var(--color-text);
}
.btn--secondary:hover {
  background: #e2e8f0;
}
.btn:focus-visible {
  outline: 3px solid #2563eb;
  outline-offset: 1px;
}

.easier-harder-note {
  background: #f3f7fb;
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  font-size: 0.9rem;
}
.easier-harder-note h3 {
  margin-top: 0;
  font-size: 0.95rem;
}
.easier-harder-note ul {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
}

.status-list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid #eef1f4;
  padding-bottom: 0.5rem;
}
.status-row dt {
  font-weight: 600;
}
.status-row dd {
  margin: 0;
}
.status-value {
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.85rem;
}
.status-value--ok {
  background: #e2f0d9;
  color: var(--color-ready);
}
.status-value--error {
  background: #fce4d6;
  color: var(--color-error);
}
.status-value--large {
  font-size: 1rem;
}

.table-scroll {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 600px;
}
.data-table th,
.data-table td {
  border: 1px solid #d7dce1;
  padding: 0.5rem 0.65rem;
  text-align: right;
  white-space: nowrap;
}
.data-table th:first-child,
.data-table td:first-child {
  text-align: left;
}
.data-table thead th {
  background: var(--color-table-header);
  font-weight: 700;
  text-align: left;
}
.data-table thead th:not(:first-child) {
  text-align: right;
}
.data-table tbody tr.output-row td {
  background: var(--color-output-bg);
  font-weight: 600;
}
.data-table tbody tr.output-row--selected td {
  outline: 2px solid var(--color-section-header);
  outline-offset: -2px;
}
.data-table tbody tr.output-row--invalid td {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
}

.fine-print {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin: 0.75rem 0 0;
}

.order-ticket {
  background: var(--color-output-bg);
  border: 1px solid var(--color-output-border);
  border-radius: var(--radius);
  padding: 1rem;
}
.order-ticket__title {
  margin: 0 0 0.75rem;
  color: var(--color-section-header);
}
.order-ticket__grid {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem 1.5rem;
}
.order-ticket__grid dt {
  font-size: 0.8rem;
  color: var(--color-muted);
}
.order-ticket__grid dd {
  margin: 0;
  font-weight: 700;
  font-size: 1.05rem;
}
.order-ticket__highlight {
  grid-column: 1 / -1;
  border-top: 1px dashed var(--color-output-border);
  padding-top: 0.6rem;
  margin-top: 0.2rem;
}
.order-ticket__highlight dd {
  font-size: 1.3rem;
  color: var(--color-ready);
}

.weight-warning {
  margin-top: 0.9rem;
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
  padding: 0.6rem 0.75rem;
  border-radius: 4px;
  font-weight: 600;
}

.order-ticket__actions {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.copy-confirmation {
  font-size: 0.85rem;
  color: var(--color-ready);
  font-weight: 600;
}

.guide-item {
  border-bottom: 1px solid #eef1f4;
  padding: 0.6rem 0;
}
.guide-item:last-child {
  border-bottom: none;
}
.guide-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-section-header);
}
.guide-item p,
.guide-item ul {
  font-size: 0.9rem;
  color: var(--color-text);
}
.guide-item code {
  background: #f1f3f5;
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  font-size: 0.85em;
}

.app-footer {
  text-align: center;
  padding: 1.5rem 1rem 2rem;
  color: var(--color-muted);
  font-size: 0.85rem;
}