:root {
  --paper: #e7ecf0;
  --card: #ffffff;
  --ink: #16202b;
  --muted: #5d6b7a;
  --rule: #c9d3dc;
  --deep: #0b4f4a;
  --deep-dark: #083a36;
  --exit: #2c4a6b;
  --exit-dark: #1f3650;
  --alert: #96162f;
  --focus: #0b4f4a;
}

* { box-sizing: border-box; }

/* The rules below set display on elements that are toggled with the hidden
   attribute, and an author rule beats the browser's [hidden] { display: none }.
   Without this the captured still renders underneath the live camera feed. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.45;
  -webkit-text-size-adjust: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ------------------------------------------------------------- chrome */

.bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  background: var(--deep);
  color: #eef5f3;
}

.site { margin: 0; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.clock { margin: 0; font-variant-numeric: tabular-nums; font-size: 16px; opacity: 0.85; }

.foot {
  display: flex;
  justify-content: flex-end;
  gap: 16px;
  min-height: 20px;
  padding: 14px 22px 20px;
  font-size: 12.5px;
  color: var(--muted);
}
.foot a { color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }

#app {
  flex: 1;
  width: 100%;
  max-width: 620px;
  margin: 0 auto;
  padding: 28px 22px 8px;
}

/* ------------------------------------------------------------ screens */

.screen { display: none; }
.screen.on { display: block; animation: rise 180ms ease-out; }

@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .screen.on { animation: none; }
}

h1, h2 {
  font-weight: 620;
  letter-spacing: -0.015em;
  line-height: 1.2;
}
h1 { font-size: 30px; margin: 8px 0 26px; }
h2 { font-size: 25px; margin: 4px 0 20px; }

.hint { margin: -12px 0 22px; color: var(--muted); font-size: 15px; max-width: 46ch; }

/* --------------------------------------------------------- home doors */

.welcome { max-width: 18ch; }

.doors { display: grid; gap: 14px; }

.door {
  display: block;
  width: 100%;
  text-align: left;
  padding: 26px 24px;
  border: none;
  border-left: 7px solid var(--deep-dark);
  border-radius: 3px;
  background: var(--deep);
  color: #fff;
  font: inherit;
  cursor: pointer;
}
.door-out { background: var(--exit); border-left-color: var(--exit-dark); }
.door:active { transform: translateY(1px); }

.door-title { display: block; font-size: 27px; font-weight: 650; letter-spacing: -0.01em; }
.door-sub { display: block; margin-top: 4px; font-size: 15px; opacity: 0.82; }

.text-action {
  display: block;
  width: 100%;
  margin-top: 22px;
  padding: 16px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}
.text-action:hover { background: var(--card); }

/* ------------------------------------------------------- step rail */

.rail {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.rail i {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--rule);
  border-radius: 2px;
}
.rail i.done { background: var(--deep); }
.rail span { margin-left: 6px; }

/* ---------------------------------------------------------- fields */

.field { display: block; margin-bottom: 18px; }
.field > span {
  display: block;
  margin-bottom: 6px;
  font-size: 14.5px;
  color: var(--muted);
}
.field input {
  width: 100%;
  padding: 15px 14px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-size: 20px;
}
.field input:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}
.field-pin input {
  font-size: 30px;
  letter-spacing: 0.5em;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------- choices */

.choices { display: grid; gap: 10px; margin-bottom: 20px; }
.choice, .host-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 18px 16px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-size: 18px;
  cursor: pointer;
}
.choice[aria-pressed="true"] {
  border-color: var(--deep);
  box-shadow: inset 0 0 0 1px var(--deep);
  background: #f2f8f6;
}
.host-list {
  max-height: 46vh;
  overflow-y: auto;
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
  -webkit-overflow-scrolling: touch;
}
.host-option small { display: block; color: var(--muted); font-size: 14px; }
.host-empty { color: var(--muted); font-size: 15px; padding: 10px 2px; }

/* ---------------------------------------------------------- camera */

.camera {
  position: relative;
  /* Square, matching the crop that is saved and the frame printed on the badge,
     so the visitor sees exactly what ends up on their pass. */
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 380px;
  margin: 0 auto 18px;
  background: #0f1720;
  border-radius: 3px;
  overflow: hidden;
}
.camera video, .camera img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* The live feed is mirrored because that is how people expect to see themselves.
   The captured still is not: it shows what will actually print. */
.camera video { transform: scaleX(-1); }
.camera-error {
  margin: -8px 0 18px;
  padding: 14px;
  border-left: 4px solid var(--alert);
  background: #fff;
  color: var(--ink);
  font-size: 15px;
}

/* ---------------------------------------------------------- review */

.review {
  display: grid;
  grid-template-columns: minmax(120px, 34%) 1fr;
  gap: 10px 16px;
  margin: 0 0 24px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-size: 16.5px;
}
.review dt { color: var(--muted); }
.review dd { margin: 0; }
.review img { width: 78px; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 3px; display: block; }

/* ------------------------------------------------------------- done */

.screen-done .mark {
  display: inline-block;
  margin: 8px 0 14px;
  padding: 7px 14px;
  border-radius: 2px;
  background: var(--deep);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}
#screen-done-out .mark { background: var(--exit); }

/* ------------------------------------------------------------ buttons */

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.nav button {
  flex: 1 1 auto;
  min-height: 62px;
  padding: 16px 22px;
  border-radius: 3px;
  font: inherit;
  font-size: 19px;
  cursor: pointer;
}
.nav .primary {
  border: 1px solid var(--deep);
  background: var(--deep);
  color: #fff;
  font-weight: 600;
}
.nav .ghost {
  flex: 0 1 auto;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--muted);
}
.nav button[disabled] { opacity: 0.55; cursor: progress; }

/* ------------------------------------------------------------- alert */

.alert {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  width: min(560px, calc(100% - 32px));
  margin: 0;
  padding: 16px 18px;
  border-left: 5px solid var(--alert);
  border-radius: 3px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(22, 32, 43, 0.18);
  font-size: 16px;
}

@media (max-width: 420px) {
  h1 { font-size: 26px; }
  h2 { font-size: 22px; }
  .door-title { font-size: 23px; }
}

/* -------------------------------------------------- site + badge bits */

.foot-link {
  border: none;
  background: none;
  padding: 0;
  color: var(--muted);
  font: inherit;
  font-size: 12.5px;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

#badge-frame {
  position: fixed;
  width: 0;
  height: 0;
  border: 0;
  visibility: hidden;
}

/* --------------------------------------------------- host dropdown */

.picker {
  width: 100%;
  padding: 15px 14px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-size: 20px;
  /* Tall enough to be a comfortable touch target on a tablet. */
  min-height: 58px;
}
.picker:disabled { color: var(--muted); }