/* Plain CSS, no framework (docs/decisions.md). Mobile first: one column, wider layouts from 720px. */

:root {
  --ink: #1d2733;
  --muted: #5b6673;
  --line: #d5dbe1;
  --panel: #f5f7f9;
  --accent: #0b5cad;
  --accent-ink: #ffffff;
  --danger: #a4161a;
  --danger-bg: #fdecec;
  --warn-bg: #fff6dc;
  --ok: #1e6b37;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  color: var(--ink);
  background: #ffffff;
}

main {
  max-width: 60rem;
  margin: 0 auto;
  padding: 1rem;
}

h1 {
  font-size: 1.6rem;
  line-height: 1.25;
  margin: 0.5rem 0 0.75rem;
}

h2 {
  font-size: 1.25rem;
  margin: 1.5rem 0 0.5rem;
}

a {
  color: var(--accent);
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-header nav {
  max-width: 60rem;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  align-items: baseline;
}

.site-header .brand {
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  margin-right: auto;
}

.site-footer {
  max-width: 60rem;
  margin: 2rem auto 0;
  padding: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1rem;
  margin: 1rem 0;
}

.field {
  margin-bottom: 1rem;
  min-width: 0;
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="date"],
.field input[type="file"] {
  width: 100%;
  max-width: 24rem;
  font: inherit;
  padding: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #ffffff;
}

.hint {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.error {
  display: block;
  color: var(--danger);
  font-weight: 600;
  margin-top: 0.25rem;
}

.error:empty {
  display: none;
}

.alert {
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin: 1rem 0;
}

button {
  font: inherit;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
  min-height: 44px;
}

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

.privacy {
  font-size: 0.95rem;
  color: var(--muted);
}

@media (min-width: 720px) {
  h1 {
    font-size: 2rem;
  }

  .field-row {
    display: flex;
    gap: 1.5rem;
  }

  .field-row .field {
    flex: 1;
  }
}

.error-help {
  margin: 0.25rem 0 0;
}

a.button {
  display: inline-block;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  min-height: 44px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.actions form {
  margin: 0;
}

/* Match confirmation */

fieldset.vendor {
  border: 1px solid var(--line);
  border-radius: 6px;
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  min-width: 0;
}

fieldset.vendor legend {
  font-weight: 700;
  padding: 0 0.25rem;
}

fieldset.vendor legend .hint {
  display: block;
  font-weight: 400;
}

ul.candidates {
  list-style: none;
  margin: 0;
  padding: 0;
}

li.candidate label {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.6rem 0;
  border-top: 1px solid var(--line);
  cursor: pointer;
}

li.candidate:first-child label {
  border-top: 0;
}

li.candidate input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.15rem;
  flex: none;
}

.candidate-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-wrap: anywhere;
}

.dfs-name {
  font-weight: 600;
}

.score,
.address {
  font-size: 0.875rem;
  color: var(--muted);
}

details.more-candidates summary {
  cursor: pointer;
  color: var(--accent);
  padding: 0.5rem 0;
  min-height: 44px;
}

/* Results */

.headline {
  text-align: center;
}

.headline-label {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}

.headline-figure {
  margin: 0.25rem 0;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.1;
}

.headline-unavailable {
  margin: 0.25rem 0 0.5rem;
  font-size: 1.4rem;
  font-weight: 700;
}

.notice {
  background: var(--warn-bg);
  border-color: #e0c46c;
  font-weight: 600;
}

.headline-extra {
  margin: 0.25rem 0 0.75rem;
}

.formula {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.875rem;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  text-align: left;
  overflow-wrap: anywhere;
}

dl.totals,
dl.amounts {
  margin: 0.5rem 0;
}

.amount {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--line);
}

.amount dt {
  min-width: 0;
}

.amount dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  font-weight: 600;
}

.vendor-result {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin: 1rem 0;
}

.vendor-result h3 {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
  overflow-wrap: anywhere;
}

.flags {
  margin: 0.25rem 0;
}

.flag {
  display: inline-block;
  background: var(--warn-bg);
  border: 1px solid #e0c46c;
  border-radius: 3px;
  padding: 0 0.4rem;
  margin: 0 0.25rem 0.25rem 0;
  font-size: 0.8rem;
  font-weight: 700;
}

ul.dfs-matches {
  margin: 0.25rem 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.gaps p {
  margin: 0.5rem 0 0;
  font-weight: 600;
}

.gaps ul {
  margin: 0.25rem 0;
  padding-left: 1.1rem;
}

details.payments summary,
#outside-period summary {
  cursor: pointer;
  color: var(--accent);
  padding: 0.5rem 0;
}

details.payments ul,
#outside-period ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

li.payment {
  padding: 0.4rem 0;
  border-top: 1px solid var(--line);
}

.payment-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}

.money {
  font-variant-numeric: tabular-nums;
}

.status {
  font-weight: 600;
}

label.checkbox {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  font-weight: 600;
}

label.checkbox input {
  width: 1.25rem;
  height: 1.25rem;
}

.sent {
  background: #e8f5ec;
  border: 1px solid var(--ok);
  border-radius: 6px;
  padding: 0.75rem 1rem;
}

/* Marketing page */

.hero {
  padding: 1rem 0 0.5rem;
}

.hero h1 {
  font-size: 1.9rem;
}

.example {
  background: var(--panel);
  border-left: 4px solid var(--accent);
  padding: 0.75rem 1rem;
}

ol.steps {
  padding-left: 1.25rem;
}

ol.steps li {
  margin-bottom: 0.6rem;
}

code {
  overflow-wrap: anywhere;
}

@media (min-width: 720px) {
  .hero h1 {
    font-size: 2.4rem;
  }
}

/* Long DFS lookups: the note is a quiet hint until the form is submitted. */

form.is-busy .busy-note {
  color: var(--ink);
  font-weight: 600;
}

button:disabled {
  opacity: 0.6;
  cursor: progress;
}