/* Brand colours default to Original. The server overrides them per brand= code
   with a <style> block in the page (see Brands/brands.json). */
:root {
  --brand: #232C68;          /* header, buttons, item card */
  --brand-strong: #1A2150;   /* hover */
  --on-brand: #FFFFFF;       /* text on --brand */
  --brand-text: #232C68;     /* brand-coloured text and icons on white */
  --brand-tint: #EEF0F8;     /* light fills (locked fields, icon tiles) */
  --brand-tint-line: #DCE0F0;
  --logo-height: 30px;
  --ink: #14172B;
  --muted: #5E6378;
  --line: #DADDE8;
  --field: #FAFBFD;
  --surface: #FFFFFF;
  --page: #F4F5F9;
  --danger: #B42318;
  --danger-050: #FEF3F2;
  --success: #12805C;
  --radius: 12px;
  --focus: 0 0 0 4px color-mix(in srgb, var(--brand) 22%, transparent);
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--page);
  color: var(--ink);
  font: 16px/1.45 var(--font);
}
h1, h2, p { margin: 0; }
[hidden] { display: none !important; }
svg { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- header ---------- */
.topbar {
  background: var(--brand);
  padding: calc(14px + env(safe-area-inset-top)) 20px 14px;
  display: flex; align-items: center;
}
.topbar__logo { height: var(--logo-height); width: auto; display: block; }

/* ---------- page ---------- */
.page {
  max-width: 560px;
  margin: 0 auto;
  padding: 24px 16px calc(32px + env(safe-area-inset-bottom));
}
.page__title { font-size: 1.75rem; line-height: 1.2; font-weight: 700; letter-spacing: -0.01em; }
.page__lead { color: var(--muted); margin-top: 6px; }

/* ---------- capture buttons ---------- */
.capture { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-top: 20px; }
.capture__btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 64px; padding: 12px 16px;
  border: 0; border-radius: var(--radius);
  background: var(--brand); color: var(--on-brand);
  font: 600 1rem var(--font);
  cursor: pointer;
  box-shadow: 0 2px 6px color-mix(in srgb, var(--brand) 25%, transparent);
  transition: background-color 120ms, transform 120ms;
}
.capture__btn:hover { background: var(--brand-strong); }
.capture__btn:active { transform: scale(0.98); }
.capture__btn:focus-visible { outline: none; box-shadow: var(--focus); }
.capture__btn svg { width: 26px; height: 26px; flex: none; }
.capture__btn rect { fill: currentColor; stroke: none; }
.capture__alt { text-align: center; color: var(--muted); font-size: 0.875rem; margin-top: 14px; }

/* ---------- landing ---------- */
.hero { text-align: center; padding: 24px 8px 4px; }
.hero__icon {
  width: 72px; height: 72px; margin: 0 auto 18px; border-radius: 20px;
  display: grid; place-items: center; background: var(--brand-tint); color: var(--brand-text);
}
.hero__icon svg { width: 38px; height: 38px; }

/* ---------- item heading ---------- */
.page__eyebrow {
  color: var(--muted); font-size: 0.8125rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px;
}
.item {
  padding: 16px; border-radius: 16px;
  background: var(--brand); color: var(--on-brand);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--brand) 25%, transparent);
}
.item__name { font-size: 1.375rem; line-height: 1.25; font-weight: 700; overflow-wrap: anywhere; }
.item__code { margin-top: 6px; font-size: 0.875rem; color: color-mix(in srgb, var(--on-brand) 75%, transparent); }
.item__code strong {
  margin-left: 4px; padding: 2px 8px; border-radius: 6px;
  background: color-mix(in srgb, var(--on-brand) 14%, transparent); color: var(--on-brand); font-weight: 600; letter-spacing: 0.02em;
}

.lock-note {
  display: flex; align-items: center; gap: 8px;
  margin-top: 14px; color: var(--muted); font-size: 0.875rem;
}
.lock-note svg { width: 16px; height: 16px; color: var(--brand-text); flex: none; }

.card__empty { color: var(--muted); }
.rescan { text-align: center; margin-top: 16px; }

.link-btn {
  border: 0; background: none; padding: 6px 4px;
  color: var(--brand-text); font: 600 0.9375rem var(--font); text-decoration: underline; cursor: pointer;
}

/* ---------- form ---------- */
.card {
  margin-top: 20px; padding: 20px 16px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
  box-shadow: 0 1px 3px rgba(20, 23, 43, 0.05);
}
.field + .field { margin-top: 18px; }
.field__label { display: flex; align-items: center; gap: 6px; font-weight: 600; font-size: 0.9375rem; margin-bottom: 6px; }
.field__req { color: var(--danger); }
.field__lock { display: none; width: 15px; height: 15px; color: var(--brand-text); }
.field--locked .field__lock { display: inline; }
.field__control {
  width: 100%; min-height: 48px; padding: 11px 14px;
  border: 1px solid #C5C9D6; border-radius: 10px; background: var(--field);
  color: var(--ink); font: 1rem var(--font);
  transition: border-color 120ms, box-shadow 120ms;
}
textarea.field__control { min-height: 96px; resize: vertical; }
select.field__control { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
.field__control::placeholder { color: #9A9EAE; }
.field__control:focus { outline: none; border-color: var(--brand-text); background: #fff; box-shadow: var(--focus); }
.field--locked .field__control {
  background: var(--brand-tint); border-color: var(--brand-tint-line); color: var(--brand-text);
  font-weight: 600; cursor: not-allowed;
}
.field--invalid .field__control { border-color: var(--danger); background: var(--danger-050); }
/* Field split into parts (e.g. Patrol Name: first / last) */
.field-group { border: 0; margin: 0; padding: 0; min-width: 0; }
.field-group > legend { padding: 0; }
.field-group__parts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.field--part + .field--part { margin-top: 0; }
.field__label--part { font-weight: 500; font-size: 0.8125rem; color: var(--muted); margin-bottom: 4px; }
@media (max-width: 340px) { .field-group__parts { grid-template-columns: 1fr; } }

.field__row { display: flex; gap: 8px; }
.field__row .field__control { flex: 1; min-width: 0; }
.field__scan {
  flex: none; width: 48px; min-height: 48px; padding: 0;
  display: grid; place-items: center;
  border: 0; border-radius: 10px; background: var(--brand); color: var(--on-brand); cursor: pointer;
}
.field__scan:hover { background: var(--brand-strong); }
.field__scan:focus-visible { outline: none; box-shadow: var(--focus); }
.field__scan svg { width: 24px; height: 24px; }
.field__hint { color: var(--muted); font-size: 0.8125rem; margin-top: 6px; }
.field__error { color: var(--danger); font-size: 0.8125rem; font-weight: 600; margin-top: 6px; }
.field--filled .field__control:not(:focus) { animation: flash 900ms ease-out; }
@keyframes flash { from { box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 35%, transparent); } to { box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 0%, transparent); } }

.form-error {
  margin-top: 18px; padding: 10px 12px; border-radius: 10px;
  background: var(--danger-050); color: var(--danger); font-size: 0.875rem; font-weight: 600;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; min-height: 52px; margin-top: 22px; padding: 12px 18px;
  border: 0; border-radius: var(--radius);
  font: 700 1.0625rem var(--font); cursor: pointer;
}
.btn:focus-visible { outline: none; box-shadow: var(--focus); }
.btn--primary { background: var(--brand); color: var(--on-brand); }
.btn--primary:hover { background: var(--brand-strong); }
.btn--primary[disabled] { opacity: 0.7; cursor: progress; }
.btn--secondary { background: var(--brand-tint); color: var(--brand-text); }
.btn--light { background: #fff; color: var(--ink); }

/* ---------- full-page states ---------- */
.state { text-align: center; padding: 48px 8px; }
.state h1 { font-size: 1.5rem; margin-bottom: 8px; }
.state p { color: var(--muted); }
.state .btn { max-width: 320px; }
.state__icon {
  width: 72px; height: 72px; margin: 0 auto 18px; border-radius: 50%;
  display: grid; place-items: center; background: var(--success); color: #fff;
}
.state__icon svg { width: 36px; height: 36px; stroke-width: 2.5; }
.state--error h1 { color: var(--danger); }
.spinner {
  width: 36px; height: 36px; margin: 0 auto 14px; border-radius: 50%;
  border: 3px solid var(--brand-tint-line); border-top-color: var(--brand);
  animation: spin 800ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- camera scanner ---------- */
.scanner {
  width: 100vw; height: 100dvh; max-width: none; max-height: none;
  margin: 0; padding: 0; border: 0; background: #000; color: #fff; overflow: hidden;
}
.scanner::backdrop { background: #000; }
.scanner video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.scanner__frame {
  position: absolute; left: 50%; top: 45%; width: min(70vw, 300px); aspect-ratio: 1;
  transform: translate(-50%, -50%); border-radius: 20px;
  box-shadow: 0 0 0 100vmax rgba(0, 0, 0, 0.5);
  outline: 3px solid #fff; outline-offset: -3px;
}
/* Frame shape follows what is being scanned. */
.scanner[data-mode="barcode"] .scanner__frame { width: min(86vw, 380px); aspect-ratio: 2 / 1; border-radius: 16px; }
.scanner[data-mode="plate"] .scanner__frame { width: min(90vw, 440px); aspect-ratio: 4.6 / 1; border-radius: 10px; }
.scanner__status {
  position: absolute; left: 16px; right: 16px; top: calc(28px + env(safe-area-inset-top));
  padding: 10px 14px; border-radius: 12px; background: rgba(0, 0, 0, 0.55);
  text-align: center; font-weight: 600;
}
.scanner__cancel {
  position: absolute; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom));
  transform: translateX(-50%); width: min(320px, calc(100% - 32px));
}

/* ---------- NFC sheet ---------- */
.sheet {
  width: min(420px, calc(100% - 32px)); padding: 28px 20px 20px;
  border: 0; border-radius: 20px; text-align: center; color: var(--ink);
}
.sheet::backdrop { background: rgba(20, 23, 43, 0.55); }
.sheet h2 { font-size: 1.25rem; margin: 18px 0 6px; }
.sheet p { color: var(--muted); }
.sheet__pulse {
  width: 84px; height: 84px; margin: 0 auto; border-radius: 50%;
  display: grid; place-items: center; background: var(--brand); color: var(--on-brand);
  animation: pulse 1.6s ease-out infinite;
}
.sheet__pulse svg { width: 40px; height: 40px; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--brand) 45%, transparent); }
  100% { box-shadow: 0 0 0 22px color-mix(in srgb, var(--brand) 0%, transparent); }
}

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom));
  transform: translateX(-50%); max-width: calc(100% - 32px);
  padding: 12px 18px; border-radius: 12px;
  background: var(--ink); color: #fff; font-size: 0.9375rem; font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25); z-index: 10;
}

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