:root {
  color-scheme: dark;
  --color-bg: #091018;
  --color-bg-raised: #0f1822;
  --color-surface: #141f2a;
  --color-surface-soft: #192633;
  --color-border: #293a4b;
  --color-border-strong: #3b5a70;
  --color-text: #f4f7fa;
  --color-muted: #9eafbe;
  --color-accent: #2dbaff;
  --color-accent-soft: #83d8ff;
  --color-positive: #42d39a;
  --color-warning: #f4bd50;
  --color-danger: #ff8a9c;
  --radius-sm: 0.55rem;
  --radius-md: 0.85rem;
  --radius-lg: 1.1rem;
  --shadow-panel: 0 1.2rem 3rem rgb(0 0 0 / 18%);
  --page-width: 74rem;
  --space-1: 0.35rem;
  --space-2: 0.65rem;
  --space-3: 1rem;
  --space-4: 1.4rem;
  --space-5: 2rem;
}

* { box-sizing: border-box; }
html { font-size: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 18% 0%, #13283b 0, var(--color-bg) 42%);
  color: var(--color-text);
  font: 1rem/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--color-accent-soft); }
button, input { font: inherit; }

.site-header {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: 0.75rem 2rem;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--color-border);
  background: rgb(9 16 24 / 90%);
  backdrop-filter: blur(0.65rem);
}
.brand {
  color: var(--color-text);
  font-size: 1.45rem;
  font-weight: 780;
  letter-spacing: -0.04em;
  text-decoration: none;
}
.brand span { color: var(--color-accent); }
.site-nav { display: flex; align-items: center; gap: 0.5rem; }
.site-nav a {
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-size: 0.92rem;
  text-decoration: none;
}
.site-nav a:hover, .site-nav a.active { color: var(--color-text); background: #172331; }
.account {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-muted);
  font-size: 0.9rem;
}
.login-link { margin-left: auto; color: var(--color-muted); text-decoration: none; }

main { width: min(var(--page-width), calc(100% - 2.5rem)); margin: 2.4rem auto; }
h1 { margin: 0 0 0.5rem; font-size: clamp(1.8rem, 4vw, 2.5rem); line-height: 1.15; letter-spacing: -0.04em; }
h2 { margin: 0 0 0.8rem; font-size: 1.02rem; }
p { margin: 0.5rem 0; color: var(--color-muted); }
small { display: block; margin-top: 0.1rem; color: var(--color-muted); }
code { color: #cbeeff; }

.page-heading, .section-title, .toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}
.section-title { align-items: center; margin-bottom: var(--space-3); }
.section-title h2 { margin: 0; }
.section-title span { color: var(--color-muted); font-size: 0.9rem; }
.toolbar { align-items: center; flex-wrap: wrap; }

.panel, .athlete-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, var(--color-surface), var(--color-bg-raised));
  box-shadow: var(--shadow-panel);
}
.panel { padding: var(--space-4); }
.section { margin-top: var(--space-4); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); margin-top: 1.65rem; }
.metric { font-size: 1.6rem; font-weight: 750; }

button, .button {
  display: inline-flex;
  min-height: 2.75rem;
  width: auto;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: #03141e;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
button:hover, .button:hover { filter: brightness(1.08); }
button:disabled { cursor: not-allowed; opacity: 0.5; filter: none; }
.secondary { border: 1px solid #31465c; background: var(--color-surface-soft); color: var(--color-text); }
.link-button { min-height: auto; padding: 0; background: transparent; color: var(--color-muted); font-weight: 500; }

label { display: block; margin: 1rem 0 0.45rem; color: var(--color-muted); font-size: 0.9rem; }
input[type="text"], input[type="email"], input[type="password"], input:not([type]) {
  width: 100%;
  min-width: 0;
  padding: 0.75rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #09121b;
  color: var(--color-text);
}
input:focus-visible, button:focus-visible, a:focus-visible {
  outline: 0.18rem solid rgb(45 186 255 / 45%);
  outline-offset: 0.12rem;
}
.form-row, .search { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.65rem; align-items: center; }
.search { margin: 1.5rem 0; }
.login { width: min(27rem, calc(100% - 2.5rem)); margin: 10vh auto 0; }
.login button { width: 100%; margin-top: 1.25rem; }

.role, .badge, .provider, .live-state {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.76rem;
}
.role { color: var(--color-accent); text-transform: uppercase; }
.badge { margin-left: 0.35rem; color: var(--color-muted); }
.provider { color: var(--color-accent-soft); border-color: #28536b; }
.live-state { gap: 0.4rem; color: var(--color-muted); }
.live-state::before { content: ""; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--color-positive); }

.error, .notice {
  margin: 1.1rem 0;
  padding: 0.7rem 0.8rem;
  border: 1px solid #713d48;
  border-radius: var(--radius-sm);
  background: #2a161c;
  color: #ffbdc7;
}
.notice { border-color: #28624e; background: #10271f; color: #a5ebcb; }
.empty { padding: 1.75rem; color: var(--color-muted); text-align: center; }
.back { display: inline-block; margin-bottom: 1.5rem; color: var(--color-muted); text-decoration: none; }

.event-list {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-raised);
  box-shadow: var(--shadow-panel);
}
.event-list-row {
  display: grid;
  grid-template-columns: 7.5rem minmax(14rem, 1fr) 11rem 5.5rem 1.5rem;
  gap: var(--space-3);
  align-items: center;
  min-height: 5.25rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  text-decoration: none;
  transition: background 150ms;
}
.event-list-row:last-child { border-bottom: 0; }
.event-list-row:hover { background: var(--color-surface-soft); }
.event-date { color: var(--color-muted); font-size: 0.88rem; font-variant-numeric: tabular-nums; }
.event-list-main { min-width: 0; }
.event-list-main > strong { display: block; overflow: hidden; font-size: 1rem; text-overflow: ellipsis; white-space: nowrap; }
.event-list-main > small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.event-list-source { display: flex; align-items: center; flex-wrap: wrap; gap: 0.35rem; }
.event-list-source .badge { margin-left: 0; }
.event-list-count { text-align: right; }
.event-list-count strong, .event-list-count small { display: block; }
.event-list-count strong { color: var(--color-accent-soft); font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.event-list-arrow { color: var(--color-muted); font-size: 1.2rem; }

.tracking-list { display: grid; gap: var(--space-3); }
.tracking-list-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, var(--color-surface), var(--color-bg-raised));
}
.tracking-list-card.archived { opacity: 0.72; }
.tracking-list-card.watch-published { border-color: var(--color-accent); box-shadow: 0 0 0 1px rgb(45 186 255 / 18%); }
.tracking-card-main { min-width: 0; }
.tracking-card-main h2 { margin: 0.85rem 0 0.25rem; font-size: 1.15rem; }
.tracking-card-main h2 a { color: var(--color-text); text-decoration: none; }
.tracking-card-actions { display: flex; align-items: center; gap: var(--space-2); flex: 0 0 auto; }
.tracking-card-actions form { margin: 0; }
.heading-actions { display: flex; align-items: center; gap: var(--space-2); }
.heading-actions form { margin: 0; }
.watch-publication-note {
  margin: 0 0 var(--space-4);
  padding: 0.7rem 0.8rem;
  border: 1px solid #28624e;
  border-radius: var(--radius-sm);
  background: #10271f;
  color: #a5ebcb;
}
.watch-badge {
  display: inline-flex;
  align-items: center;
  margin-left: 0.45rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid #28624e;
  border-radius: 999px;
  background: #10271f;
  color: #a5ebcb;
  font-size: 0.76rem;
  font-weight: 700;
}

.pair-device { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, 26rem); gap: var(--space-5); align-items: center; }
.pair-device h2 { margin-bottom: 0.3rem; }
.pair-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-2); }
.pair-form input {
  text-align: center;
  font-size: 1.25rem;
  font-weight: 760;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.device-list {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-raised);
}
.device-list > .empty { border: 0; }
.device-list-row {
  display: grid;
  grid-template-columns: 2.5rem minmax(12rem, 1fr) minmax(12rem, auto) auto;
  gap: var(--space-3);
  align-items: center;
  min-height: 5rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
}
.device-list-row:last-child { border-bottom: 0; }
.device-icon { font-size: 1.35rem; }
.device-main, .device-seen { min-width: 0; }
.device-main > strong, .device-main > small, .device-seen > span, .device-seen > strong { display: block; }
.device-main > small, .device-seen > span { color: var(--color-muted); font-size: 0.8rem; }
.device-seen { text-align: right; }
.device-seen > strong { font-size: 0.88rem; }

.simulator-layout { display: grid; grid-template-columns: minmax(18rem, 1fr) minmax(19rem, 27rem); gap: clamp(2rem, 8vw, 7rem); align-items: center; }
.simulator-controls ol { margin: 1rem 0 1.5rem; padding-left: 1.4rem; color: var(--color-muted); }
.simulator-controls > .button { margin-top: 0.75rem; }
.simulator-message { min-height: 3rem; margin-top: 1rem; }
.watch-frame {
  width: min(100%, 26rem);
  aspect-ratio: 1;
  justify-self: center;
  display: grid;
  place-items: center;
  padding: 3.7rem;
  border: 1.1rem solid #26313b;
  border-radius: 50%;
  background: #05090d;
  box-shadow: 0 2rem 5rem rgb(0 0 0 / 42%), inset 0 0 0 0.25rem #111a22;
}
.watch-screen { width: 100%; color: var(--color-text); text-align: center; }
.watch-brand { display: block; margin-bottom: 1.15rem; color: var(--color-accent); font-size: 0.8rem; font-weight: 780; letter-spacing: 0.12em; text-transform: uppercase; }
.watch-screen small { color: var(--color-muted); font-size: 0.68rem; letter-spacing: 0.06em; }
.watch-code { display: block; margin: 0.45rem 0; color: var(--color-text); font-size: clamp(1.8rem, 6vw, 2.5rem); letter-spacing: 0.08em; }
.watch-passing { display: block; margin: 0.25rem 0 0.85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.watch-reference { margin: 0.4rem 0 0.8rem; padding: 0.6rem; border: 1px solid #28536b; border-radius: var(--radius-sm); background: #102230; }
.watch-reference span, .watch-reference strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.watch-reference span { font-size: 0.78rem; }
.watch-reference strong { color: var(--color-accent-soft); font-size: 1.2rem; }
.watch-competitors { display: grid; gap: 0.28rem; max-height: 6.5rem; overflow: hidden; }
.watch-competitors > div { display: flex; justify-content: space-between; gap: 0.6rem; font-size: 0.76rem; }
.watch-competitors span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.watch-competitors strong { color: var(--color-muted); font-variant-numeric: tabular-nums; }
.watch-competitors strong.ahead { color: var(--color-positive); }
.watch-competitors strong.behind { color: var(--color-warning); }
.watch-nav { display: flex; justify-content: center; gap: 0.5rem; margin-top: 0.8rem; }
.watch-nav button { min-height: 2rem; padding: 0.2rem 0.75rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.75rem 0.65rem; border-bottom: 1px solid var(--color-border); text-align: left; vertical-align: middle; }
th { color: var(--color-muted); font-size: 0.77rem; text-transform: uppercase; letter-spacing: 0.04em; }
td { font-size: 0.92rem; }
td:first-child, th:first-child { padding-left: 0; }
td:last-child, th:last-child { padding-right: 0; }
.inline { display: inline; }
.inline button { min-height: 2.2rem; padding: 0.4rem 0.6rem; font-size: 0.82rem; }

.selection-layout { display: grid; grid-template-columns: minmax(0, 1fr) 18rem; gap: var(--space-4); align-items: start; }
.selection-list { display: grid; gap: 0.55rem; margin-top: var(--space-3); }
.selection-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 0.8rem;
  align-items: center;
  padding: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgb(9 18 27 / 60%);
}
.selection-row[hidden] { display: none; }
.runner-main { min-width: 0; }
.runner-name { display: block; font-weight: 720; }
.runner-meta { display: block; color: var(--color-muted); font-size: 0.85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.choice {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  color: var(--color-text);
  font-size: 0.88rem;
  cursor: pointer;
}
.choice input { width: 1.1rem; height: 1.1rem; accent-color: var(--color-accent); }
.selection-summary { position: sticky; top: 6rem; }
.selection-summary ol { margin: 1rem 0; padding-left: 1.4rem; color: var(--color-muted); }
.selection-summary button { width: 100%; }
.selection-count { color: var(--color-accent-soft); font-weight: 740; }

.live-shell { --page-width: 82rem; }
.live-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: var(--space-3); margin-top: var(--space-4); }
.athlete-card { padding: 1.15rem; box-shadow: none; }
.athlete-card.reference { border-color: var(--color-accent); background: linear-gradient(145deg, #132a3a, #101a24); }
.athlete-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.8rem; }
.athlete-card h2 { margin: 0; font-size: 1.1rem; }
.athlete-bib { color: var(--color-muted); font-variant-numeric: tabular-nums; }
.delta { margin: 1.35rem 0 0.25rem; font-size: clamp(1.8rem, 5vw, 2.7rem); font-weight: 800; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.delta.ahead { color: var(--color-positive); }
.delta.behind { color: var(--color-warning); }
.delta.neutral { color: var(--color-accent-soft); }
.checkpoint { min-height: 1.5rem; color: var(--color-muted); }
.athlete-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.7rem; margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--color-border); }
.athlete-facts span { display: block; color: var(--color-muted); font-size: 0.76rem; }
.athlete-facts strong { display: block; margin-top: 0.12rem; font-size: 0.92rem; font-variant-numeric: tabular-nums; }
.sync-note { color: var(--color-muted); font-size: 0.85rem; }
.sync-note[data-state="error"] { color: var(--color-danger); }
.passing-nav {
  display: grid;
  grid-template-columns: auto minmax(12rem, 1fr) auto auto;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding: 0.85rem 1rem;
  box-shadow: none;
}
.passing-current { min-width: 0; text-align: center; }
.passing-current > span, .passing-current > strong, .passing-current > small { display: block; }
.passing-current > span { color: var(--color-muted); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.04em; }
.passing-current > strong { margin-top: 0.15rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.follow-latest {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0 0.4rem;
  color: var(--color-text);
  white-space: nowrap;
  cursor: pointer;
}
.follow-latest input { width: 1.1rem; height: 1.1rem; accent-color: var(--color-accent); }

.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; }

@media (max-width: 54rem) {
  .selection-layout { grid-template-columns: 1fr; }
  .selection-summary { position: static; order: -1; }
}

@media (max-width: 43rem) {
  .site-header { padding: 0.75rem 1.25rem; gap: 0.75rem; flex-wrap: wrap; }
  .site-nav { order: 3; width: 100%; }
  .account-name { display: none; }
  main { margin-top: 1.6rem; }
  .grid { grid-template-columns: 1fr; }
  .page-heading, .section-title { align-items: flex-start; flex-direction: column; }
  .form-row, .search { grid-template-columns: 1fr; }
  .form-row button, .search button, .page-heading .button { width: 100%; }
  .heading-actions { width: 100%; align-items: stretch; flex-direction: column; }
  .heading-actions form, .heading-actions button { width: 100%; }
  .selection-row { grid-template-columns: minmax(0, 1fr) auto; }
  .selection-row .choice:last-child { grid-column: 2; }
  .passing-nav { grid-template-columns: auto minmax(0, 1fr) auto; }
  .passing-nav button { min-width: 2.8rem; padding-inline: 0.65rem; }
  .passing-nav .button-text { display: none; }
  .follow-latest { grid-column: 1 / -1; justify-self: center; margin: 0.2rem 0 0; }
  .tracking-list-card { align-items: stretch; flex-direction: column; }
  .tracking-card-actions { align-items: stretch; flex-direction: column; }
  .tracking-card-actions .button, .tracking-card-actions button { width: 100%; }
  .pair-device { grid-template-columns: 1fr; gap: var(--space-3); }
  .pair-form { grid-template-columns: 1fr; }
  .device-list-row { grid-template-columns: 2rem minmax(0, 1fr) auto; gap: 0.65rem; }
  .device-seen { grid-column: 2; text-align: left; }
  .device-list-row form { grid-column: 3; grid-row: 1 / 3; }
  .simulator-layout { grid-template-columns: 1fr; }
  .watch-frame { padding: clamp(2.5rem, 12vw, 3.7rem); }
  .event-list-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.5rem 0.85rem;
    padding: 1rem;
  }
  .event-date { grid-column: 1; grid-row: 1; }
  .event-list-main { grid-column: 1 / -1; grid-row: 2; }
  .event-list-main > strong { white-space: normal; }
  .event-list-source { grid-column: 1; grid-row: 3; }
  .event-list-count { grid-column: 2; grid-row: 1 / 4; align-self: center; }
  .event-list-arrow { display: none; }
}