:root {
  color-scheme: dark;
  --bg: #0a0b0e;
  --panel: #17191f;
  --panel-soft: #111319;
  --line: #3a3d47;
  --gold: #e5b747;
  --red: #ed3d42;
  --green: #55d887;
  --text: #f6f2ea;
  --muted: #b9bdc8;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #241015 0, var(--bg) 36rem);
  color: var(--text);
  overflow-x: hidden;
}

button,
textarea { font: inherit; }

button {
  min-height: 46px;
  padding: 0.75rem 1rem;
  border: 1px solid #666b78;
  background: #f4f4f2;
  color: #111216;
  font-weight: 800;
  cursor: pointer;
}

button:disabled { cursor: wait; opacity: 0.6; }

.scanner-primary {
  border-color: var(--red);
  background: var(--red);
  color: white;
}

.scanner-danger { color: #ffb5b5; background: transparent; border-color: #a52f35; }

.scanner-header {
  position: sticky;
  z-index: 5;
  top: 0;
  display: flex;
  gap: 0.9rem;
  align-items: center;
  padding: calc(env(safe-area-inset-top) + 0.75rem) 1rem 0.75rem;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 11, 14, 0.94);
  backdrop-filter: blur(12px);
}

.scanner-header img { width: 50px; height: 50px; object-fit: cover; border-radius: 12px; }
.scanner-header span,
.scanner-eyebrow { color: var(--gold); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.16em; }
.scanner-header h1 { margin: 0.15rem 0 0; font-size: clamp(1rem, 5vw, 1.35rem); text-transform: uppercase; }

.scanner-connection-state {
  margin-left: auto;
  padding: .38rem .55rem;
  border: 1px solid #6b2c32;
  color: #ffb5b5;
  font-size: .65rem;
  font-weight: 900;
  text-transform: uppercase;
  white-space: nowrap;
}

.scanner-connection-state.is-linked {
  border-color: #347a50;
  color: var(--green);
}

.scanner-main {
  width: min(100%, 720px);
  margin: 0 auto;
  padding: 1rem 1rem calc(env(safe-area-inset-bottom) + 2rem);
}

.scanner-progress {
  position: sticky;
  z-index: 4;
  top: calc(env(safe-area-inset-top) + 75px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2px;
  margin: 0 0 1rem;
  border: 1px solid var(--line);
  background: #090b0e;
}

.scanner-progress span {
  display: grid;
  place-items: center;
  gap: .25rem;
  min-width: 0;
  min-height: 58px;
  padding: .45rem .25rem;
  color: #7d818c;
  font-size: .66rem;
  font-weight: 800;
  text-align: center;
}

.scanner-progress b {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.scanner-progress .is-active { color: var(--gold); background: #211c10; }
.scanner-progress .is-complete { color: var(--green); }

.scanner-card,
.scanner-update,
.scanner-message {
  margin-bottom: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, var(--panel), var(--panel-soft));
}

.scanner-card h2 { margin: 0.4rem 0 0.65rem; font-size: clamp(1.45rem, 7vw, 2.25rem); }
.scanner-card p { color: var(--muted); line-height: 1.55; }
.scanner-card > button { width: 100%; }

.scanner-update,
.scanner-session-head,
.scanner-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.scanner-update { display: block; padding: 0; }
.scanner-update > summary { padding: 1rem; border: 0; }
.scanner-update-body { display: flex; gap: .75rem; align-items: center; justify-content: space-between; padding: 0 1rem 1rem; }
.scanner-update small { display: block; margin-top: 0.25rem; color: var(--muted); }
.scanner-update button { flex: 0 0 auto; }

details { margin-top: 1rem; border-top: 1px solid var(--line); padding-top: 0.9rem; }
summary { color: var(--gold); cursor: pointer; font-weight: 800; }
label { display: grid; gap: 0.45rem; margin: 0.9rem 0; color: var(--muted); }
textarea { width: 100%; resize: vertical; padding: 0.8rem; border: 1px solid var(--line); background: #090a0d; color: white; }

.scanner-badge { padding: 0.35rem 0.55rem; border: 1px solid currentColor; font-size: 0.72rem; font-weight: 900; text-transform: uppercase; }
.scanner-badge-ok { color: var(--green); }

.scanner-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.scanner-session-summary {
  display: grid;
  gap: .25rem;
  margin: .8rem 0 0;
  padding: .75rem;
  border-left: 3px solid var(--gold);
  background: #0d0f14;
}

.scanner-session-summary span { color: var(--muted); }
.scanner-session-details { margin-top: .7rem; }

.scanner-details div { padding: 0.75rem; background: #0d0f14; border: 1px solid #30333c; }
.scanner-details dt { color: var(--gold); font-size: 0.68rem; text-transform: uppercase; }
.scanner-details dd { margin: 0.3rem 0 0; font-weight: 800; }

.scanner-versus {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: 0.5rem;
  margin: 1rem 0;
}

.scanner-athlete,
.scanner-winner-profile {
  padding: 0.65rem;
  border: 1px solid var(--line);
  background: #0d0f14;
}

.scanner-athlete img,
.scanner-winner-profile img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: #11141a;
}
.scanner-athlete-placeholder {
  display: grid;
  width: 100%;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--line);
  background: #11141a;
  color: var(--gold);
  font-size: clamp(2.5rem, 15vw, 6rem);
  font-weight: 900;
}

.scanner-athlete strong,
.scanner-winner-profile strong { display: block; margin-top: 0.55rem; line-height: 1.15; }
.scanner-athlete small,
.scanner-winner-profile small { display: block; margin-top: 0.3rem; color: var(--muted); }
.scanner-vs { align-self: center; color: var(--red); font-size: 1.5rem; font-weight: 1000; }
.scanner-warning { padding: 0.75rem; border-left: 3px solid var(--gold); background: #241f13; }
.scanner-message { border-color: var(--gold); color: var(--text); }
.scanner-message.is-error { border-color: var(--red); background: #2b1115; }
.scanner-message.is-success { border-color: var(--green); background: #10261a; }

dialog {
  position: relative;
  width: min(calc(100% - 1rem), 720px);
  max-height: calc(100dvh - 1rem);
  padding: 1rem;
  border: 1px solid var(--gold);
  background: #0b0d11;
  color: var(--text);
}

dialog::backdrop { background: rgba(0, 0, 0, 0.88); }
.scanner-camera-head { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.scanner-camera-head h2 { margin: 0.3rem 0 0.9rem; }
#scanner-camera-close { width: 46px; padding: 0; font-size: 1.5rem; }
#scanner-camera-video { display: block; width: 100%; max-height: 65dvh; object-fit: contain; background: black; }
.scanner-camera-guide { pointer-events: none; position: absolute; inset: 7rem 1.6rem 5.2rem; display: grid; place-items: center; }
.scanner-camera-guide span { width: min(72vw, 20rem); aspect-ratio: 1; border: 3px solid var(--gold); box-shadow: 0 0 0 999px rgba(0,0,0,.34), 0 0 28px rgba(229,183,71,.5); }

[hidden] { display: none !important; }

@media (max-width: 520px) {
  .scanner-actions,
  .scanner-update-body { align-items: stretch; flex-direction: column; }
  .scanner-update-body button,
  .scanner-actions button { width: 100%; }
  .scanner-main { padding: .75rem .7rem calc(env(safe-area-inset-bottom) + 1.5rem); }
  .scanner-card { padding: .85rem; }
  .scanner-details { grid-template-columns: 1fr 1fr; }
  .scanner-versus { grid-template-columns: minmax(0, 1fr); gap: .45rem; }
  .scanner-vs { justify-self: center; line-height: 1; }
  .scanner-athlete { display: grid; grid-template-columns: 88px minmax(0, 1fr); column-gap: .8rem; align-items: center; padding: .55rem; }
  .scanner-athlete img,
  .scanner-athlete .scanner-athlete-placeholder { grid-row: 1 / span 3; width: 88px; height: 88px; aspect-ratio: auto; }
  .scanner-athlete strong { margin: 0; font-size: 1rem; }
  .scanner-athlete small { font-size: .75rem; }
  dialog { width: 100vw; max-width: none; max-height: 100dvh; min-height: 100dvh; margin: 0; border-width: 0; }
  #scanner-camera-video { min-height: 62dvh; object-fit: cover; }
  .scanner-camera-guide { inset: 7rem 1rem 4.5rem; }
}

@media (max-width: 370px) {
  .scanner-header { gap: .55rem; padding-inline: .7rem; }
  .scanner-header img { width: 42px; height: 42px; }
  .scanner-connection-state { padding: .3rem .4rem; font-size: .56rem; }
  .scanner-progress { top: calc(env(safe-area-inset-top) + 66px); }
}