/* The form chrome around the sheet — deliberately not part of the package. */

:root {
  --stock: #e3e9da;
  --stock-tint: #d4ddc6;
  --ink: #1b1d16;
  --rule: #a3af95;
  --red: #b4322a;
  --desk: #2c302a;
  --condensed: "Arial Narrow", "Helvetica Neue Condensed", Impact, sans-serif;
  --mono: ui-monospace, Menlo, Consolas, "Courier New", monospace;
}

body {
  margin: 0;
  min-height: 100vh;
  padding: 28px 16px 44px;
  background: radial-gradient(120% 80% at 50% 0%, #363b33 0%, var(--desk) 45%, #22251f 100%);
  font-family: var(--condensed);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 760px; margin: 0 auto; }

.form {
  position: relative;
  overflow: hidden;
  background: var(--stock);
  border: 1px solid #0e100b;
  box-shadow: 0 18px 44px rgb(0 0 0 / 45%);
}

.band {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 14px;
  background: var(--ink);
  color: var(--stock);
}
.band h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.band .serial {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: #9fae92;
}

.fields {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 22px;
  padding: 14px 14px 12px;
  border-bottom: 1px solid var(--rule);
}
.field { flex: 0 1 150px; min-width: 120px; }
.field label {
  display: block;
  margin-bottom: 3px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #5c6650;
}
.field input {
  width: 100%;
  padding: 2px 2px 4px;
  background: transparent;
  border: 0;
  border-bottom: 1.5px solid var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
}
.field input:focus { outline: 2px solid var(--red); outline-offset: 3px; }

.instructions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 9px 14px;
  background: var(--stock-tint);
  border-bottom: 1px solid var(--rule);
}
.instructions p {
  max-width: 46ch;
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #464f3c;
}
.instructions strong { color: var(--red); }
.samples { display: flex; gap: 12px; margin-left: auto; }
.sample { display: flex; align-items: center; gap: 5px; }
.sample span {
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #5c6650;
}
.chip {
  position: relative;
  width: 24px;
  height: 15px;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
}
.chip.good {
  border-color: #24242b;
  background:
    radial-gradient(ellipse at 32% 28%, rgb(255 255 255 / 20%), transparent 62%),
    repeating-linear-gradient(112deg, #4c4c55 0 2px, #3c3c46 2px 4px);
}
.chip.bad::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 11px;
  height: 1.5px;
  background: var(--ink);
  transform: rotate(-18deg);
}

.hold { position: relative; padding: 12px 8px 16px; }

/* The reader's head sweeping down the page. */
.readhead {
  position: absolute;
  inset: 0 0 auto;
  height: 46px;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgb(180 50 42 / 0%) 0%,
    rgb(180 50 42 / 10%) 82%,
    rgb(180 50 42 / 20%) 100%
  );
  border-bottom: 1.5px solid var(--red);
  animation: sweep 1.25s cubic-bezier(0.42, 0, 0.58, 1) forwards;
}
@keyframes sweep {
  from { transform: translateY(-46px); }
  to { transform: translateY(100%); }
}

.deck {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}
.btn {
  padding: 9px 16px;
  background: var(--stock);
  color: var(--ink);
  border: 1px solid #0e100b;
  border-radius: 1px;
  box-shadow: 0 2px 0 #0e100b;
  font: 700 12px var(--condensed);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.06s, box-shadow 0.06s;
}
.btn:active { transform: translateY(2px); box-shadow: 0 0 0 #0e100b; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
.btn.ghost {
  background: transparent;
  color: #b8c4aa;
  border-color: #5b6553;
  box-shadow: none;
}
.tally {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: #9fae92;
}

.readout {
  margin-top: 12px;
  padding: 13px 15px;
  background: #191c17;
  border: 1px solid #3c4438;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.85;
  color: #c7d4b8;
  word-break: break-word;
}
.readout .k, .readout .empty { color: #6f7c64; }
.readout .ok { color: #8fc07a; }
.readout .no { color: #d97a72; }

.foot {
  margin-top: 14px;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: #86927a;
}

@media (prefers-reduced-motion: reduce) {
  .readhead { animation-duration: 1ms; }
}

/* Shown only when the page cannot boot — a wrong URL scheme, a missing build. */
.boot {
  max-width: 760px;
  margin: 16px auto 0;
  padding: 14px 16px;
  background: #3a1f1c;
  border: 1px solid var(--red);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: #f0d8d4;
}
.boot code {
  padding: 1px 5px;
  background: rgb(0 0 0 / 35%);
  color: #fff;
}

.survey {
  display: grid;
  gap: 10px;
  padding: 10px 14px 14px;
  border-top: 1px solid var(--rule);
}
.survey-q {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 6px 16px;
}
.survey-q .bs-row { padding-top: 0; }
.survey-caption {
  flex: 1 1 220px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #5c6650;
}
.survey-q .bs-row { padding-left: 0; }
.survey-q .bs-row:nth-child(5n) { border-bottom: 0; }
.survey-q .bs-num, .survey-q .bs-timing { display: none; }

/* The growing field sits in the header flow, cells hugging their content and
   growing rightward instead of stretching or being pushed aside. */
#word-q { flex: 0 1 auto; }
#word-q .bs-cells { justify-content: flex-start; }
#word-q .bs-cell { flex: none; width: 21px; }

/* Single-column fields hug their one cell instead of stretching. */
#form-field { flex: none; }
#form-field .bs-cell { flex: none; width: 21px; }