/* Colours, typography and controls follow the CI-Lights administration UI. */
:root {
  color-scheme: light;
  --navy: #1f2937;
  --blue: #2563eb;
  --green: #16a34a;
  --ink: #102a43;
  --muted: #5c7080;
  --surface: #fff;
  --line: #dbe7ef;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(145deg, #eef5fb, #f7fbf3);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
main { position: relative; max-width: 48rem; margin: auto; padding: clamp(1rem, 4vw, 2rem); }
a { color: var(--blue); text-underline-offset: .2rem; }
button, a { -webkit-tap-highlight-color: transparent; }
button {
  min-height: 2.8rem;
  border: 0;
  border-radius: .7rem;
  background: var(--navy);
  color: #fff;
  padding: .75rem 1rem;
  font: inherit;
  font-size: .96rem;
  font-weight: 700;
  box-shadow: 0 .35rem .8rem rgba(31, 41, 55, .18);
  cursor: pointer;
}
button:active { transform: translateY(1px); }
button:disabled { cursor: not-allowed; opacity: .48; }
button:focus-visible, a:focus-visible { outline: 3px solid #b9d7fa; outline-offset: 3px; }
.brand { display: flex; flex-direction: column; margin: 0 0 1rem; gap: .75rem; }
.brand > a {
  display: block;
  padding: .7rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: #fff;
  color: var(--navy);
  font-size: clamp(1.7rem, 7vw, 2.35rem);
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 .45rem 1.2rem rgba(31, 41, 55, .08);
}
.header-tools { order: -1; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.project-tag { color: var(--muted); font-size: .78rem; font-weight: 650; }
/* Same flag sizing, spacing and active outline as the administration switch. */
.language-switch { display: flex; align-items: center; gap: .2rem; width: max-content; margin-left: auto; padding: .2rem; border: 1px solid #dbe7ef; border-radius: .7rem; background: #fff; }
.language-switch button { width: auto; min-height: 0; margin: 0; padding: .25rem .35rem; border-radius: .4rem; background: transparent; box-shadow: none; line-height: 1; }
.language-switch .flag { display: block; width: 1.8rem; height: 1.1rem; border-radius: .12rem; box-shadow: 0 0 0 1px rgba(16, 42, 67, .18); }
.language-switch button[aria-pressed="true"] { background: #dcebf9; outline: 2px solid var(--navy); }
.language-switch button:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.hero, .install-card, .legal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  padding: clamp(1.25rem, 5vw, 2rem);
  box-shadow: 0 1rem 2.5rem rgba(31, 41, 55, .12);
}
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 5.4rem; gap: 1.15rem; align-items: stretch; }
.intro { min-width: 0; }
.eyebrow { margin: 0; color: var(--blue); font-size: .78rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
h1 { margin: .3rem 0 1rem; color: var(--navy); font-size: clamp(1.7rem, 7vw, 2.35rem); line-height: 1.2; }
h2 { margin: 0 0 .5rem; color: var(--navy); font-size: 1.25rem; }
h3 { margin: 0 0 .6rem; color: var(--navy); font-size: .95rem; }
p { line-height: 1.55; }
.lead { margin: 0 0 1rem; color: var(--muted); font-size: .93rem; }
.device-tag { display: inline-block; padding: .5rem .7rem; border: 1px solid #d3e2ee; border-radius: .7rem; background: #f4f8fb; color: var(--navy); font-size: .75rem; font-weight: 700; }
.traffic-light { display: flex; min-height: 100%; flex-direction: column; align-items: center; filter: drop-shadow(0 .35rem .55rem rgba(31, 41, 55, .18)); }
.traffic-light-top { display: block; width: 100%; height: auto; aspect-ratio: 128 / 252; flex: 0 0 auto; margin-bottom: -.55rem; position: relative; z-index: 1; pointer-events: none; }
.traffic-light-middle { width: 1.15rem; min-height: 1rem; flex: 1 1 auto; background: linear-gradient(90deg, #1f2937 0, #1f2937 34%, #2563eb 34%, #2563eb 55%, #1f2937 55%); }
.traffic-light-base { width: 100%; height: 1rem; flex: 0 0 auto; background: linear-gradient(145deg, #374151, #111827); clip-path: polygon(10% 0, 90% 0, 100% 100%, 0 100%); }
.install-card { margin-top: 1rem; }
.install-card .eyebrow { margin-bottom: .35rem; }
.install-card p:not(.eyebrow) { color: var(--muted); font-size: .93rem; }
.install-card > div:first-child > p:last-child { margin-bottom: 0; }
.install-action { margin-top: 1.4rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.version { margin: 0 0 1rem; }
.version strong { color: var(--navy); font-weight: 800; }
.install-button { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 1rem; }
.install-button:hover:not(:disabled) { background: #374151; }
.erase-option { display: flex; align-items: flex-start; gap: .6rem; margin: 1rem 0 .4rem; color: var(--navy); font-size: .9rem; font-weight: 700; }
.erase-option input { margin: .2rem 0 0; accent-color: var(--blue); }
.erase-option input:focus-visible { outline: 3px solid #b9d7fa; outline-offset: 2px; }
.install-card .erase-help { margin: .4rem 0 1rem; font-size: .85rem !important; }
.secondary-button { margin: .75rem .4rem 0 0; background: #e8f1f8; color: var(--navy); box-shadow: none; }
.secondary-button:hover:not(:disabled) { background: #d6e9fb; }
.danger-button { background: #a11227; color: #fff; }
.danger-button:hover:not(:disabled) { background: #870e20; }
progress { width: 100%; margin-top: 1rem; accent-color: var(--blue); }
.install-card .status {
  margin: 1rem 0 .5rem;
  padding: .85rem 1rem;
  border: 1px solid #c7d9e8;
  border-left: .35rem solid var(--blue);
  border-radius: .55rem;
  background: #f2f8fd;
  white-space: pre-wrap;
  color: var(--navy) !important;
  font-size: .9rem !important;
  font-weight: 650;
}
.install-card .status[data-error="true"] { border-color: #f1b7be; border-left-color: #c6283b; background: #fff0f1; color: #a11227 !important; }
.install-card .privacy-note { font-size: .8rem !important; }
.install-action > a { font-size: .85rem; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; margin: 1rem 0; }
.steps article { min-width: 0; padding: 1rem; border: 1px solid var(--line); border-radius: .75rem; background: #f5f9fc; }
.step-number { display: block; margin-bottom: .6rem; color: var(--blue); font-size: .78rem; font-weight: 800; }
.steps p { margin: 0; color: var(--muted); font-size: .85rem; }
.next-update { display: flex; align-items: flex-start; gap: .8rem; padding: 1rem; border-left: .3rem solid var(--green); border-radius: .4rem; background: #f1f9e7; }
.next-update p { margin: .4rem 0 0; color: var(--muted); font-size: .9rem; }
.update-icon { color: var(--green); flex: 0 0 2rem; font-size: 2rem; line-height: 1; }
.data-note { margin: 1rem 0; padding: 1rem; border: 1px solid var(--line); border-radius: .75rem; background: #f4f8fb; color: var(--muted); font-size: .85rem; }
footer { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem 1.2rem; margin-top: 1rem; padding: 1.15rem 1.3rem; border: 1px solid var(--line); border-radius: 1rem; background: #fff; color: var(--muted); font-size: .78rem; box-shadow: 0 .45rem 1.2rem rgba(31, 41, 55, .06); }
footer span { margin-right: auto; color: var(--navy); font-weight: 800; }
footer a { color: var(--muted); }
.legal h1 { overflow-wrap: anywhere; }
.legal h2 { margin: 1.5rem 0 .6rem; }
.legal p, .legal address { color: var(--muted); font-size: .93rem; line-height: 1.65; font-style: normal; }
.legal a { overflow-wrap: anywhere; }
[hidden] { display: none !important; }
@media (max-width: 600px) { .steps { grid-template-columns: 1fr; } }
@media (max-width: 430px) {
  main { padding: .75rem; }
  .hero, .install-card, .legal { padding: 1.1rem; border-radius: 1rem; }
  .hero { grid-template-columns: minmax(0, 1fr) 3.3rem; gap: .75rem; }
  .device-tag { font-size: .67rem; }
  .next-update { padding: .85rem; }
  footer { gap: .7rem 1rem; padding: 1rem; }
}