:root {
  color-scheme: light;
  --ink: #17212b;
  --muted: #5e6b76;
  --line: #d8dee3;
  --line-strong: #b8c3ca;
  --paper: #f5f7f8;
  --panel: #ffffff;
  --teal: #0b6e69;
  --teal-dark: #07524f;
  --teal-soft: #e5f3f1;
  --coral: #b94734;
  --coral-soft: #fff0ec;
  --amber: #805f1a;
  --amber-soft: #fff7df;
  --shadow: 0 8px 20px rgba(23, 33, 43, 0.06);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(11, 110, 105, 0.25);
  outline-offset: 2px;
}

.site-header {
  color: #ffffff;
  background: #193342;
  border-bottom: 4px solid #e16c4d;
}

.header-inner,
.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 42px 0 34px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 6px;
  color: #67c5bb;
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.subtitle {
  max-width: 650px;
  margin: 14px 0 0;
  color: #d5e0e5;
  font-size: 1.02rem;
}

.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  padding: 8px 12px;
  color: #e8f7f4;
  font-size: 0.86rem;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 6px;
  white-space: nowrap;
}

.privacy-dot {
  width: 9px;
  height: 9px;
  background: #73d1c2;
  border-radius: 50%;
}

.page-shell {
  padding: 28px 0 54px;
}

.notice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  margin-bottom: 22px;
  padding: 17px 18px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  background: var(--teal-soft);
  border-radius: 6px;
}

.notice h2,
.notice p {
  margin: 0;
}

.notice h2 {
  font-size: 1rem;
}

.notice p {
  margin-top: 5px;
  color: #36515a;
  font-size: 0.92rem;
}

.notice-icon {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  color: #ffffff;
  background: var(--teal);
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 800;
}

.panel {
  margin-bottom: 22px;
  padding: 25px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel-heading,
.supplier-heading,
.form-footer,
.results-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.panel-heading h2,
.supplier-heading h2 {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.2;
}

.section-note {
  max-width: 760px;
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.request-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
  padding: 18px;
  background: #f8fafb;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.field-label {
  color: #33414b;
  font-size: 0.88rem;
  font-weight: 750;
}

.required,
.optional {
  margin-left: 3px;
  color: var(--teal);
  font-size: 0.74rem;
  font-weight: 650;
}

.optional {
  color: var(--muted);
}

.field-help {
  min-height: 1.25em;
  color: var(--muted);
  font-size: 0.75rem;
}

input {
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
}

input:invalid:not(:placeholder-shown) {
  border-color: #d37663;
}

.supplier-heading {
  align-items: flex-end;
  margin: 28px 0 15px;
}

.supplier-list {
  display: grid;
  gap: 14px;
}

.supplier-card {
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

.supplier-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.supplier-card-header h3 {
  margin: 0;
  color: #23313b;
  font-size: 1rem;
}

.supplier-index {
  display: inline-block;
  margin-right: 7px;
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.supplier-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, minmax(100px, 1fr));
  gap: 13px;
}

.supplier-grid .wide {
  grid-column: span 2;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
}

.button {
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 5px;
  font-size: 0.88rem;
  font-weight: 750;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.button-primary {
  color: #ffffff;
  background: var(--teal);
}

.button-primary:hover {
  background: var(--teal-dark);
}

.button-secondary {
  color: var(--teal-dark);
  background: #ffffff;
  border-color: #8bbdb8;
}

.button-secondary:hover {
  background: var(--teal-soft);
}

.button-quiet {
  color: #475762;
  background: #ffffff;
  border-color: var(--line-strong);
}

.button-quiet:hover {
  background: #f3f6f7;
}

.button-remove {
  min-height: 32px;
  padding: 5px 9px;
  color: var(--coral);
  background: var(--coral-soft);
  border: 1px solid #edb5a8;
  border-radius: 5px;
  font-size: 0.78rem;
  font-weight: 750;
}

.button-remove:hover {
  background: #ffe2da;
}

.form-footer {
  align-items: center;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.form-status {
  min-height: 1.4em;
  color: var(--muted);
  font-size: 0.88rem;
}

.form-status.error {
  color: var(--coral);
  font-weight: 700;
}

.form-status.success {
  color: var(--teal-dark);
  font-weight: 700;
}

.results-panel[hidden] {
  display: none;
}

.result-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 21px 0 13px;
}

.summary-card {
  padding: 15px;
  background: #f8fafb;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.summary-label {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.summary-value {
  display: block;
  margin-top: 4px;
  color: #193342;
  font-size: 1.22rem;
  font-weight: 800;
}

.result-alerts {
  margin: 13px 0;
}

.result-alerts ul {
  margin: 0;
  padding: 12px 16px 12px 32px;
  color: #6d531a;
  background: var(--amber-soft);
  border: 1px solid #ebd99a;
  border-radius: 6px;
  font-size: 0.84rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
}

table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
  font-size: 0.82rem;
}

th,
td {
  padding: 11px 10px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

th {
  color: #3b4b55;
  background: #f1f5f6;
  font-size: 0.75rem;
  font-weight: 800;
  white-space: nowrap;
}

tbody tr:last-child td {
  border-bottom: 0;
}

tbody tr.is-best {
  background: #eff8f6;
}

.check-list {
  display: grid;
  gap: 4px;
  min-width: 130px;
}

.check-ok,
.check-warn,
.check-bad {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.74rem;
  white-space: nowrap;
}

.check-ok {
  color: var(--teal-dark);
}

.check-warn {
  color: var(--amber);
}

.check-bad {
  color: var(--coral);
}

.badge {
  display: inline-block;
  padding: 3px 6px;
  color: var(--teal-dark);
  background: #d5eee9;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 800;
}

.precision-note {
  margin-top: 14px;
  padding: 12px 14px;
  color: #4e5c65;
  background: #f8fafb;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 0.8rem;
}

.formula-panel {
  margin-bottom: 22px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.formula-panel summary {
  padding: 16px 18px;
  color: #28414c;
  cursor: pointer;
  font-weight: 800;
}

.formula-content {
  padding: 0 18px 17px;
  color: var(--muted);
  font-size: 0.87rem;
}

.formula-content p {
  margin: 10px 0 0;
}

.formula-content strong {
  color: var(--ink);
}

.site-footer {
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

.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;
}

@media (max-width: 900px) {
  .supplier-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .supplier-grid .wide {
    grid-column: span 2;
  }
}

@media (max-width: 680px) {
  .header-inner,
  .panel-heading,
  .supplier-heading,
  .form-footer,
  .results-heading {
    flex-direction: column;
    align-items: stretch;
  }

  .header-inner {
    padding: 30px 0 26px;
  }

  .privacy-badge {
    align-self: flex-start;
  }

  .page-shell,
  .header-inner {
    width: min(100% - 20px, 1180px);
  }

  .panel {
    padding: 18px 14px;
  }

  .request-grid,
  .result-summary {
    grid-template-columns: 1fr;
  }

  .supplier-grid,
  .supplier-grid .wide {
    grid-column: auto;
    grid-template-columns: 1fr 1fr;
  }

  .supplier-grid .field:first-child {
    grid-column: 1 / -1;
  }

  .form-footer .button-row,
  .results-heading .button-row {
    width: 100%;
  }

  .form-footer .button,
  .results-heading .button {
    flex: 1 1 auto;
  }
}

@media (max-width: 420px) {
  .supplier-grid,
  .supplier-grid .wide {
    grid-template-columns: 1fr;
  }
}