/* Alef10 Shield — visitor entry request.
 *
 * Civic infrastructure, not a tactical console: light, high-contrast, generous,
 * legible from the back of a room. Colour appears only where it carries a
 * verdict — green authorised, red denied, amber neither. Nothing is coloured
 * for decoration.
 *
 * This surface commits to light deliberately (PRD §10). The gate view is the
 * dark exception, because it sits behind a video feed; this one does not.
 */

:root {
  color-scheme: light;

  --paper:      #fbfaf8;
  --card:       #ffffff;
  --ink:        #16181c;
  --ink-muted:  #565c66;
  --rule:       #dbd7d0;
  --rule-firm:  #b9b4ab;

  /* Semantic only. */
  --green:      #1a7f45;
  --red:        #b3261e;
  --amber:      #8a5a00;

  --focus:      #1c4fd8;

  --sans: system-ui, "Segoe UI", "Noto Sans", "Lucida Grande",
          "Trebuchet MS", Helvetica, Arial, sans-serif;

  --step: 1.5rem;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;   /* 17px — readable on a projector */
  line-height: 1.55;
}

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

.wrap {
  width: 100%;
  max-width: 46rem;
  margin-inline: auto;
  padding-inline: var(--step);
}

/* ─── Masthead ───────────────────────────────────────────────────────── */

.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--card);
}
.masthead .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.15rem;
}
.wordmark {
  margin: 0;
  font-size: 1.0625rem;
  letter-spacing: 0.055em;
  text-transform: uppercase;
  font-weight: 400;
}
.wordmark strong { font-weight: 700; }
.masthead-sub {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.9375rem;
}

/* ─── Panels ─────────────────────────────────────────────────────────── */

main { padding-block: 3rem 4rem; }

.panel { display: none; }
main[data-state="loading"]      [data-panel="loading"],
main[data-state="unconfigured"] [data-panel="unconfigured"],
main[data-state="form"]         [data-panel="form"],
main[data-state="verify"]       [data-panel="verify"],
main[data-state="status"]       [data-panel="status"],
main[data-state="error"]        [data-panel="error"] { display: block; }

h1 {
  margin: 0 0 0.6rem;
  font-size: 1.9rem;
  line-height: 1.2;
  font-weight: 650;
  letter-spacing: -0.012em;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.8125rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.lede {
  margin: 0 0 2rem;
  max-width: 34rem;
  color: var(--ink-muted);
  font-size: 1.0625rem;
}

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

.fineprint {
  margin-top: 1.75rem;
  max-width: 34rem;
  color: var(--ink-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: #f0eee9;
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

/* ─── Form ───────────────────────────────────────────────────────────── */

.field { margin-bottom: 1.5rem; border: 0; padding: 0; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 34rem) {
  .field-row { grid-template-columns: 1fr; gap: 0; }
}

label, legend {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  font-size: 0.9375rem;
}

.req {
  font-weight: 400;
  color: var(--ink-muted);
  font-size: 0.875rem;
  margin-left: 0.35rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="datetime-local"] {
  width: 100%;
  padding: 0.7rem 0.8rem;
  font: inherit;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--rule-firm);
  border-radius: 4px;
}
input::placeholder { color: #9a958c; }

input:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.hint {
  margin: 0.4rem 0 0;
  color: var(--ink-muted);
  font-size: 0.875rem;
}

/* Segmented visitor/staff control */
.segmented { display: flex; gap: 0; }
.segmented label {
  margin: 0;
  position: relative;
}
.segmented input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.segmented span {
  display: block;
  padding: 0.55rem 1.4rem;
  border: 1px solid var(--rule-firm);
  background: var(--card);
  font-weight: 500;
  cursor: pointer;
}
.segmented label:first-child span { border-radius: 4px 0 0 4px; }
.segmented label:last-child  span { border-radius: 0 4px 4px 0; border-left: 0; }
.segmented input:checked + span {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.segmented input:focus-visible + span {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.btn {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.75rem 1.5rem;
  font: inherit;
  font-weight: 600;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 4px;
  cursor: pointer;
}
.btn:hover:not(:disabled) { background: #000; }
.btn:disabled { opacity: 0.45; cursor: default; }

.btn-quiet {
  color: var(--ink);
  background: var(--card);
  border-color: var(--rule-firm);
}
.btn-quiet:hover { background: #f2f0eb; }

.linkish {
  font: inherit;
  font-size: inherit;
  color: var(--focus);
  background: none;
  border: 0;
  padding: 0;
  text-decoration: underline;
  cursor: pointer;
}

.form-error {
  margin: 0 0 1rem;
  padding: 0.7rem 0.85rem;
  color: var(--red);
  background: #fdf3f2;
  border: 1px solid #eccbc8;
  border-left: 3px solid var(--red);
  border-radius: 3px;
  font-size: 0.9375rem;
}

/* Kind-conditional fields, driven by main[data-kind] */
main[data-kind="employee"] [data-only="visitor"],
main[data-kind="employee"] [data-hint="visitor"],
main[data-kind="visitor"]  [data-hint="employee"] { display: none; }

/* ─── Verification ───────────────────────────────────────────────────── */

.verify-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 38rem) {
  .verify-grid { grid-template-columns: 1fr; gap: 1.75rem; }
}

.qr-frame {
  margin: 0;
  padding: 1.15rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 6px;
}
.qr-frame img, .qr-frame canvas, .qr-frame table { display: block; }
.qr-frame figcaption {
  margin-top: 0.9rem;
  font-size: 0.875rem;
  text-align: center;
}
.qr-frame a { color: var(--focus); }

#qr img { width: 216px; height: 216px; image-rendering: pixelated; }

/* ─── Record: who, when, on whose authority ──────────────────────────── */

.record {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.55rem 1.5rem;
  margin: 0 0 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
}
.record dt {
  color: var(--ink-muted);
  font-size: 0.9375rem;
}
.record dd { margin: 0; font-weight: 500; }
.record dd.big { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.01em; }

/* ─── Verdict ────────────────────────────────────────────────────────── */

.verdict {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.75rem;
  padding: 0.55rem 1rem 0.55rem 0.85rem;
  border: 1px solid;
  border-radius: 4px;
  font-weight: 600;
}
.status-line {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.75rem;
  font-weight: 500;
}

.dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  flex: none;
}

[data-tone="green"].dot { background: var(--green); }
[data-tone="red"].dot   { background: var(--red); }
[data-tone="amber"].dot { background: var(--amber); }

.verdict[data-tone="green"] { color: var(--green); border-color: #b6ddc4; background: #f1f9f4; }
.verdict[data-tone="red"]   { color: var(--red);   border-color: #eccbc8; background: #fdf3f2; }
.verdict[data-tone="amber"] { color: var(--amber); border-color: #e6d3a8; background: #fdf8ec; }

/* A spoof-style dashed treatment is reserved for the gate view, not here. */

/* ─── Footer ─────────────────────────────────────────────────────────── */

.footnote {
  padding-block: 1.5rem 3rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-muted);
  font-size: 0.875rem;
}
.footnote p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}