/* gaultb.com — access-code home page */

/* Aptos is used when installed locally; Figtree (OFL) is the self-hosted look-alike. */
@font-face {
  font-family: "Figtree";
  src: url("../assets/fonts/Figtree-var.woff2") format("woff2");
  font-weight: 300 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --teal: #0f7c86;
  --teal-2: #0a6670;
  --navy: #173a66;
  --ink: #12304f;
  --muted: rgba(23, 58, 102, 0.72);
  --gold: #fcc877;
  --error: #b4233c;

  --font: "Aptos", "Figtree", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --digit-w: clamp(3.1rem, 15vw, 4.1rem);
  --digit-h: calc(var(--digit-w) * 1.18);
  --digit-gap: clamp(0.6rem, 3vw, 0.95rem);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  color: var(--ink);
  background: #173a66;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Background ---------- */

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 50% 45%, rgba(23, 58, 102, 0) 0%, rgba(23, 58, 102, 0.18) 70%, rgba(14, 38, 66, 0.42) 100%),
    url("../assets/img/sunset.jpg") 50% 50% / cover no-repeat;
  animation: bg-in 1.4s ease-out both;
}

@keyframes bg-in {
  from { opacity: 0; transform: scale(1.04); }
  to   { opacity: 1; transform: scale(1); }
}

/* ---------- Layout ---------- */

.stage {
  flex: 1;
  display: grid;
  place-items: center;
  padding: max(1.25rem, env(safe-area-inset-top)) 1.25rem 1rem;
}

/* ---------- Frosted card ---------- */

.card {
  width: min(100%, 26rem);
  padding: clamp(1.9rem, 6vw, 2.6rem) clamp(1.4rem, 6vw, 2.5rem) clamp(1.4rem, 4vw, 1.8rem);
  text-align: center;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.20);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.6) inset,
    0 24px 60px -18px rgba(14, 38, 66, 0.45),
    0 8px 22px -12px rgba(14, 38, 66, 0.30);
  -webkit-backdrop-filter: blur(2px) saturate(120%);
  backdrop-filter: blur(2px) saturate(120%);
  animation: card-in 0.8s 0.15s cubic-bezier(.2, .8, .2, 1) both;
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .card { background: rgba(255, 255, 255, 0.20); }
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(14px) scale(0.985); }
  to   { opacity: 1; transform: none; }
}

.logo {
  display: block;
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 20px;
  box-shadow: 0 10px 24px -10px rgba(10, 102, 112, 0.65);
}

h1 {
  margin: 0;
  font-size: clamp(1.55rem, 5.2vw, 1.85rem);
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: var(--navy);
}

.subtitle {
  margin: 0.4rem 0 1.6rem;
  font-size: 0.98rem;
  font-weight: 450;
  color: var(--muted);
}

/* ---------- Digit boxes ---------- */

.code fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }

.digits {
  display: flex;
  justify-content: center;
  gap: var(--digit-gap);
}

.digit {
  width: var(--digit-w);
  height: var(--digit-h);
  padding: 0;
  font: inherit;
  font-size: calc(var(--digit-w) * 0.5);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: center;
  color: var(--navy);
  caret-color: var(--teal);
  background: rgba(255, 255, 255, 0.72);
  border: 1.5px solid rgba(23, 58, 102, 0.16);
  border-radius: 16px;
  box-shadow: 0 2px 6px -2px rgba(14, 38, 66, 0.18);
  outline: none;
  transition: border-color .18s, box-shadow .18s, background-color .18s, transform .18s;
  -webkit-appearance: none;
  appearance: none;
}

.digit:hover { border-color: rgba(15, 124, 134, 0.45); }

.digit:focus {
  background: #fff;
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(15, 124, 134, 0.20), 0 6px 14px -6px rgba(15, 124, 134, 0.45);
  transform: translateY(-1px);
}

.digit.filled { border-color: rgba(15, 124, 134, 0.55); }

.digit:disabled { cursor: not-allowed; opacity: 0.6; }

/* Checking */
.digits.busy .digit { animation: pulse 1s ease-in-out infinite; }
.digits.busy .digit:nth-child(2) { animation-delay: .12s; }
.digits.busy .digit:nth-child(3) { animation-delay: .24s; }
.digits.busy .digit:nth-child(4) { animation-delay: .36s; }

@keyframes pulse {
  0%, 100% { border-color: rgba(15, 124, 134, 0.35); }
  50%      { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(15, 124, 134, 0.15); }
}

/* Error */
.digits.error .digit {
  border-color: rgba(180, 35, 60, 0.6);
  background: rgba(255, 244, 246, 0.85);
}
.digits.shake { animation: shake .45s cubic-bezier(.36, .07, .19, .97) both; }

@keyframes shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-6px); }
  40%, 60% { transform: translateX(6px); }
}

/* Success */
.digits.ok .digit {
  color: #fff;
  background: var(--teal);
  border-color: var(--teal);
  box-shadow: 0 6px 16px -6px rgba(15, 124, 134, 0.7);
}

/* ---------- Status line ---------- */

.status {
  min-height: 1.5em;
  margin: 1.1rem 0 0;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--muted);
  transition: color .2s;
}
.status.is-error { color: var(--error); }
.status.is-ok { color: var(--teal-2); }

/* ---------- Footer ---------- */

.footer {
  text-align: center;
  padding: 0.75rem 1rem max(1.1rem, env(safe-area-inset-bottom));
}
.footer a {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(23, 58, 102, 0.75);
  text-decoration: none;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  transition: color .2s, background-color .2s;
}
.footer a:hover,
.footer a:focus-visible {
  color: var(--navy);
  background: rgba(255, 255, 255, 0.45);
  outline: none;
}

.noscript {
  position: fixed; left: 50%; bottom: 3.5rem; transform: translateX(-50%);
  margin: 0; padding: .5rem 1rem; border-radius: 12px;
  background: rgba(255, 255, 255, .9); color: var(--navy); font-size: .9rem;
}

/* ---------- Small / short screens ---------- */

@media (max-height: 560px) {
  .logo { width: 48px; height: 48px; margin-bottom: .6rem; border-radius: 15px; }
  .subtitle { margin-bottom: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition: none !important; }
}