/* Data-entry tool. Dense, fast, keyboard-friendly.
   Not a marketing page -- optimise for the twentieth job, not the first look. */

:root {
  --bg: #f4f6f8;
  --surface: #fff;
  --surface-2: #eef1f5;
  --ink: #151c24;
  --ink-2: #46525f;
  --ink-3: #6f7c8a;
  --rule: #d2dae2;
  --rule-2: #e6ebf0;
  --accent: #1b4fa0;
  --accent-soft: #e7eefa;
  --error: #a3323c;
  --error-soft: #fbeaec;
  --warn: #8a6011;
  --warn-soft: #fbf3e1;
  --ok: #276b4e;
  --ok-soft: #e7f2ec;
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10151b;
    --surface: #171f28;
    --surface-2: #1e2731;
    --ink: #e7ecf2;
    --ink-2: #b2bcc8;
    --ink-3: #828f9d;
    --rule: #2c3742;
    --rule-2: #232c36;
    --accent: #7ea8e8;
    --accent-soft: #1a2434;
    --error: #e2848c;
    --error-soft: #2b1b1e;
    --warn: #d9ae5c;
    --warn-soft: #2a2318;
    --ok: #77c2a0;
    --ok-soft: #16251e;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
}

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

/* --- chrome --- */

.bar {
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 10;
}

.bar-in {
  max-width: 1040px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.brand-sub {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 400;
}

.bar nav {
  margin-left: auto;
  display: flex;
  gap: 18px;
  font-size: 14px;
}

.demo-nav {
  margin-left: 0;
  order: -1;
  padding-right: 20px;
  border-right: 1px solid var(--rule);
}

.demo-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--ink-3);
  text-decoration: none;
  font-size: 13px;
}

.demo-nav__link:hover {
  color: var(--ink);
}

.demo-nav__link svg { flex-shrink: 0; }

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding-inline: 20px;
  padding-block: 26px 70px;
}

.foot {
  border-top: 1px solid var(--rule);
  background: var(--surface);
  font-size: 13px;
  color: var(--ink-3);
}

.foot .bar-in { padding-block: 16px; }

/* --- messages --- */

.flash {
  padding: 11px 15px;
  border-radius: 5px;
  margin-bottom: 16px;
  font-size: 14px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
}

.flash.error { border-left-color: var(--error); background: var(--error-soft); color: var(--error); }
.flash.ok { border-left-color: var(--ok); background: var(--ok-soft); color: var(--ok); }

/* --- page heads --- */

.page-head { margin-bottom: 22px; }

.page-head h1 {
  font-size: 24px;
  margin: 0 0 5px;
  letter-spacing: -.01em;
}

.page-head p {
  margin: 0;
  color: var(--ink-2);
  font-size: 14.5px;
  max-width: 66ch;
}

/* --- form --- */

fieldset {
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--surface);
  margin: 0 0 18px;
  padding: 0 18px 18px;
}

legend {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 0 8px;
  margin-left: -8px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

.fld.full { grid-column: 1 / -1; }

.fld label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
  color: var(--ink);
}

.fld .req { color: var(--error); }

.fld input,
.fld select {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
}

.fld input:focus,
.fld select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  background: var(--surface);
}

.fld.has-error input,
.fld.has-error select { border-color: var(--error); }

.fld .unit {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  margin-left: 5px;
}

.fld .help {
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 3px;
}

.fld .msg {
  font-size: 12.5px;
  margin-top: 3px;
  color: var(--error);
}

.fld .msg.warn { color: var(--warn); }

/* --- preference table --- */

table.prefs {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

table.prefs th {
  text-align: left;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  padding: 0 8px 6px 0;
}

table.prefs td { padding: 0 8px 8px 0; }

table.prefs input {
  width: 100%;
  padding: 6px 9px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
}

/* --- buttons --- */

.actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 20px;
}

.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 5px;
  border: 1px solid var(--rule);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover { border-color: var(--ink-3); }

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn.primary:hover { filter: brightness(1.08); }

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn.disabled {
  opacity: .45;
  cursor: not-allowed;
  pointer-events: none;
}

.spacer { margin-left: auto; }

/* --- issue lists --- */

.issues {
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--surface);
  margin-bottom: 18px;
  overflow: hidden;
}

.issues h2 {
  font-size: 13px;
  margin: 0;
  padding: 11px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}

.issues ul { margin: 0; padding: 10px 16px 12px 32px; }
.issues li { margin: 4px 0; font-size: 14px; color: var(--ink-2); }
.issues.bad { border-color: var(--error); }
.issues.bad li { color: var(--error); }
.issues.warn li { color: var(--warn); }

/* --- review --- */

.docs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 18px 0 24px;
}

.doc {
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--surface);
  padding: 15px 16px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.doc h3 { margin: 0; font-size: 14.5px; }

.doc .links {
  margin-top: auto;
  display: flex;
  gap: 12px;
  font-size: 13.5px;
}

.summary {
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--surface);
  overflow: hidden;
  margin-bottom: 20px;
}

.summary table { width: 100%; border-collapse: collapse; font-size: 14px; }
.summary td { padding: 9px 16px; border-bottom: 1px solid var(--rule-2); }
.summary tr:last-child td { border-bottom: none; }
.summary td.k { color: var(--ink-3); width: 40%; }
.summary td.v { color: var(--ink); font-weight: 500; }

/* --- login --- */

.login {
  max-width: 340px;
  margin: 60px auto;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 26px;
}

.login h1 { font-size: 18px; margin: 0 0 16px; }

.login input {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  margin-bottom: 14px;
}

@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .spacer { margin-left: 0; }
}