@layer reset, base, components, utilities;

@layer reset {
  html {
    box-sizing: border-box;
  }

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

  body,
  h1,
  h2,
  h3,
  p,
  fieldset,
  legend {
    margin: 0;
  }

  button,
  input,
  select {
    font: inherit;
  }
}

@layer base {
  :root {
    color-scheme: light;
    --primitive-admin: oklch(0.56 0.2 24);
    --primitive-root: oklch(0.55 0.15 151);
    --primitive-sudo: oklch(0.8 0.16 89);
    --color-canvas: oklch(0.965 0.008 250);
    --color-surface: oklch(0.992 0.003 250);
    --color-surface-raised: oklch(0.978 0.006 250);
    --color-surface-sunken: oklch(0.93 0.012 250);
    --color-ink: oklch(0.22 0.025 255);
    --color-muted: oklch(0.46 0.025 255);
    --color-faint: oklch(0.62 0.018 255);
    --color-line: oklch(0.86 0.015 250);
    --color-action: oklch(0.48 0.15 250);
    --color-action-hover: oklch(0.41 0.15 250);
    --color-action-ink: oklch(0.98 0.005 250);
    --color-success: oklch(0.48 0.14 151);
    --color-success-surface: oklch(0.93 0.055 151);
    --color-warning: oklch(0.48 0.12 79);
    --color-warning-surface: oklch(0.94 0.065 89);
    --color-error: oklch(0.5 0.18 24);
    --color-error-surface: oklch(0.94 0.05 24);
    --color-focus: oklch(0.53 0.17 250);
    --shadow-float: 0 8px 18px -14px oklch(0.25 0.03 255 / 0.3);
    --radius-small: 7px;
    --radius-medium: 12px;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --font-ui: "Aptos", "Segoe UI Variable", "Segoe UI", sans-serif;
    --font-display: "Bahnschrift", "Arial Narrow", var(--font-ui);
    --font-data: "Cascadia Mono", "Aptos Mono", ui-monospace, monospace;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --z-sticky: 20;
    --z-modal: 40;
  }

  :root[data-theme="dark"] {
    color-scheme: dark;
    --color-canvas: oklch(0.17 0.018 255);
    --color-surface: oklch(0.205 0.02 255);
    --color-surface-raised: oklch(0.245 0.022 255);
    --color-surface-sunken: oklch(0.145 0.015 255);
    --color-ink: oklch(0.94 0.008 250);
    --color-muted: oklch(0.72 0.018 250);
    --color-faint: oklch(0.58 0.02 250);
    --color-line: oklch(0.34 0.024 255);
    --color-action: oklch(0.7 0.12 250);
    --color-action-hover: oklch(0.77 0.1 250);
    --color-action-ink: oklch(0.17 0.018 255);
    --color-success: oklch(0.72 0.13 151);
    --color-success-surface: oklch(0.28 0.055 151);
    --color-warning: oklch(0.78 0.13 89);
    --color-warning-surface: oklch(0.29 0.055 89);
    --color-error: oklch(0.72 0.16 24);
    --color-error-surface: oklch(0.3 0.065 24);
    --color-focus: oklch(0.74 0.12 250);
    --shadow-float: 0 8px 18px -14px oklch(0.05 0.02 255 / 0.7);
  }

  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      color-scheme: dark;
      --color-canvas: oklch(0.17 0.018 255);
      --color-surface: oklch(0.205 0.02 255);
      --color-surface-raised: oklch(0.245 0.022 255);
      --color-surface-sunken: oklch(0.145 0.015 255);
      --color-ink: oklch(0.94 0.008 250);
      --color-muted: oklch(0.72 0.018 250);
      --color-faint: oklch(0.58 0.02 250);
      --color-line: oklch(0.34 0.024 255);
      --color-action: oklch(0.7 0.12 250);
      --color-action-hover: oklch(0.77 0.1 250);
      --color-action-ink: oklch(0.17 0.018 255);
      --color-success: oklch(0.72 0.13 151);
      --color-success-surface: oklch(0.28 0.055 151);
      --color-warning: oklch(0.78 0.13 89);
      --color-warning-surface: oklch(0.29 0.055 89);
      --color-error: oklch(0.72 0.16 24);
      --color-error-surface: oklch(0.3 0.065 24);
      --color-focus: oklch(0.74 0.12 250);
      --shadow-float: 0 8px 18px -14px oklch(0.05 0.02 255 / 0.7);
    }
  }

  html {
    min-block-size: 100%;
    background: var(--color-canvas);
  }

  body {
    min-block-size: 100dvb;
    overflow-x: hidden;
    background: var(--color-canvas);
    color: var(--color-ink);
    font-family: var(--font-ui);
    font-size: 1rem;
    line-height: 1.5;
    text-rendering: optimizeLegibility;
  }

  h1,
  h2,
  h3 {
    font-family: var(--font-display);
    line-height: 1.05;
    text-wrap: balance;
  }

  button,
  a,
  input,
  select {
    -webkit-tap-highlight-color: transparent;
  }

  :focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
  }

  [hidden] {
    display: none !important;
  }
}

@layer components {
  .skip-link {
    position: fixed;
    inset-block-start: var(--space-3);
    inset-inline-start: var(--space-3);
    z-index: var(--z-modal);
    padding: var(--space-3) var(--space-4);
    transform: translateY(-160%);
    border-radius: var(--radius-small);
    background: var(--color-action);
    color: var(--color-action-ink);
    font-weight: 700;
    transition: transform 160ms var(--ease-out);
  }

  .skip-link:focus {
    transform: translateY(0);
  }

  .masthead {
    position: sticky;
    inset-block-start: 0;
    z-index: var(--z-sticky);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    min-block-size: 68px;
    padding: var(--space-3) clamp(1rem, 3vw, 3rem);
    border-block-end: 1px solid var(--color-line);
    background: color-mix(in oklab, var(--color-canvas) 94%, transparent);
    backdrop-filter: blur(14px);
  }

  .event-mark {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    min-block-size: 44px;
    color: var(--color-ink);
    font-family: var(--font-display);
    font-weight: 760;
    letter-spacing: -0.015em;
    text-decoration: none;
  }

  .event-mark__bars {
    display: grid;
    gap: 3px;
    inline-size: 25px;
  }

  .event-mark__bars i {
    display: block;
    block-size: 4px;
    border-radius: 2px;
  }

  .event-mark__bars i:nth-child(1) {
    inline-size: 100%;
    background: var(--primitive-admin);
  }

  .event-mark__bars i:nth-child(2) {
    inline-size: 78%;
    background: var(--primitive-root);
  }

  .event-mark__bars i:nth-child(3) {
    inline-size: 56%;
    background: var(--primitive-sudo);
  }

  .masthead__actions,
  .settings-toolbar__actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
  }

  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-block-size: 44px;
    padding-inline: var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--radius-small);
    cursor: pointer;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 160ms var(--ease-out), color 160ms var(--ease-out), transform 160ms var(--ease-out);
  }

  .button:active {
    transform: scale(0.98);
  }

  .button:disabled {
    cursor: wait;
    opacity: 0.58;
  }

  .button--primary {
    background: var(--color-action);
    color: var(--color-action-ink);
  }

  .button--secondary {
    border-color: var(--color-line);
    background: var(--color-surface-raised);
    color: var(--color-ink);
  }

  .button--quiet {
    background: transparent;
    color: var(--color-muted);
  }

  .button--danger {
    border-color: var(--color-error);
    background: var(--color-error-surface);
    color: var(--color-error);
  }

  .button--danger-strong {
    border-color: var(--color-error);
    background: var(--color-error);
    color: var(--color-error-surface);
  }

  .live-status {
    min-inline-size: 66px;
    padding: 0.3rem 0.62rem;
    border: 1px solid var(--color-line);
    border-radius: 999px;
    color: var(--color-muted);
    font-family: var(--font-data);
    font-size: 0.78rem;
    font-weight: 700;
    text-align: center;
  }

  .live-status[data-state="live"] {
    border-color: color-mix(in oklab, var(--color-success) 55%, var(--color-line));
    background: var(--color-success-surface);
    color: var(--color-success);
  }

  .live-status[data-state="stale"] {
    background: var(--color-warning-surface);
    color: var(--color-warning);
  }

  .live-status[data-state="paused"] {
    border-color: color-mix(in oklab, var(--color-warning) 55%, var(--color-line));
    background: var(--color-warning-surface);
    color: var(--color-warning);
  }

  .live-status[data-state="demo"] {
    border-color: color-mix(in oklab, var(--color-action) 55%, var(--color-line));
    background: color-mix(in oklab, var(--color-action) 14%, var(--color-surface));
    color: var(--color-action);
  }

  .scoreboard-shell,
  .admin-shell {
    inline-size: min(1600px, 100%);
    margin-inline: auto;
    padding: clamp(1.25rem, 3vw, 3rem);
    padding-block-end: max(3rem, env(safe-area-inset-bottom));
  }

  .board-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: var(--space-6);
    padding-block: clamp(1.5rem, 4vw, 3.5rem);
  }

  .board-heading__context {
    margin-block-end: var(--space-2);
    color: var(--color-muted);
    font-weight: 700;
  }

  .board-heading h1,
  .admin-heading h1 {
    font-size: clamp(2.45rem, 2rem + 3vw, 5.5rem);
    font-weight: 820;
    letter-spacing: -0.055em;
  }

  .board-heading__meta {
    display: grid;
    justify-items: end;
    gap: var(--space-1);
    color: var(--color-muted);
    text-align: end;
  }

  .board-heading__meta time {
    font-family: var(--font-data);
    font-size: 0.86rem;
  }

  .notice {
    margin-block-end: var(--space-5);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-small);
    background: var(--color-warning-surface);
    color: var(--color-warning);
    font-weight: 680;
  }

  .notice[data-tone="info"] {
    background: color-mix(in oklab, var(--color-action) 11%, var(--color-surface));
    color: var(--color-action);
  }

  .demo-panel {
    display: grid;
    grid-template-columns: minmax(220px, 0.7fr) minmax(280px, 1fr) auto;
    align-items: center;
    gap: var(--space-5);
    margin-block-end: var(--space-6);
    padding: var(--space-4) var(--space-5);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-medium);
    background: var(--color-surface);
    box-shadow: var(--shadow-float);
  }

  .demo-panel__status {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--space-1) var(--space-3);
    min-inline-size: 0;
  }

  .demo-panel__step {
    grid-row: 1 / 3;
    align-self: center;
    color: var(--color-action);
    font-family: var(--font-data);
    font-weight: 800;
  }

  .demo-panel__status strong {
    font-family: var(--font-display);
    font-size: 1.05rem;
  }

  .demo-panel__status p {
    overflow: hidden;
    color: var(--color-muted);
    font-size: 0.86rem;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .demo-progress {
    display: grid;
    grid-template-columns: repeat(6, minmax(18px, 1fr));
    gap: var(--space-2);
  }

  .demo-progress span,
  .lane__segments span {
    display: block;
    border-radius: 999px;
    background: var(--color-surface-sunken);
  }

  .demo-progress span {
    block-size: 6px;
  }

  .demo-progress span[data-state="past"] {
    background: var(--color-success);
  }

  .demo-progress span[data-state="current"] {
    background: var(--color-action);
  }

  .demo-panel__actions {
    display: flex;
    gap: var(--space-2);
  }

  .section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-4);
    padding-block-end: var(--space-4);
    border-block-end: 1px solid var(--color-line);
  }

  .section-heading h2 {
    font-size: clamp(1.35rem, 1rem + 1vw, 2rem);
  }

  .section-heading p {
    color: var(--color-muted);
  }

  .lanes {
    display: grid;
  }

  .lane {
    --team-color: var(--primitive-admin);
    --team-tint: color-mix(in oklab, var(--team-color) 9%, var(--color-surface));
    position: relative;
    display: grid;
    grid-template-columns: 76px minmax(220px, 0.72fr) minmax(460px, 1.8fr) minmax(145px, 0.4fr);
    align-items: stretch;
    min-inline-size: 0;
    border-block-end: 1px solid var(--color-line);
    background: var(--color-surface);
    box-shadow: inset 0 6px 0 var(--team-color);
    transition: background-color 220ms var(--ease-out), transform 220ms var(--ease-out);
  }

  .lane:first-child {
    margin-block-start: var(--space-4);
    border-start-start-radius: var(--radius-medium);
    border-start-end-radius: var(--radius-medium);
  }

  .lane:last-child {
    border-end-start-radius: var(--radius-medium);
    border-end-end-radius: var(--radius-medium);
  }

  .lane[data-team="green"],
  .answer-group[data-team="green"] {
    --team-color: var(--primitive-root);
  }

  .lane[data-team="yellow"],
  .answer-group[data-team="yellow"] {
    --team-color: var(--primitive-sudo);
  }

  .lane[data-complete="true"] {
    background: var(--team-tint);
  }

  .lane__rank,
  .lane__identity,
  .lane__puzzles,
  .lane__finish {
    padding: clamp(1rem, 2vw, 1.5rem);
    padding-block-start: calc(clamp(1rem, 2vw, 1.5rem) + 6px);
  }

  .lane__rank,
  .lane__identity,
  .lane__puzzles {
    border-inline-end: 1px solid var(--color-line);
  }

  .lane__rank {
    display: grid;
    align-content: center;
    justify-items: start;
    padding-inline-end: var(--space-3);
  }

  .lane__rank-number {
    font-family: var(--font-data);
    font-size: clamp(1.8rem, 1.4rem + 1.5vw, 3rem);
    font-weight: 760;
    letter-spacing: -0.08em;
    line-height: 1;
  }

  .lane__rank-label {
    color: var(--color-muted);
    font-size: 0.78rem;
    font-weight: 700;
  }

  .lane__identity {
    display: grid;
    align-content: center;
    gap: var(--space-2);
    min-inline-size: 0;
  }

  .lane__team {
    overflow: hidden;
    font-size: clamp(1.45rem, 1.1rem + 1.1vw, 2.35rem);
    font-weight: 790;
    letter-spacing: -0.04em;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .lane__score {
    color: var(--color-muted);
  }

  .lane__score strong {
    color: var(--color-ink);
    font-family: var(--font-data);
  }

  .lane__segments {
    display: grid;
    grid-template-columns: repeat(3, minmax(22px, 1fr));
    gap: var(--space-1);
    inline-size: min(150px, 100%);
  }

  .lane__segments span {
    block-size: 6px;
  }

  .lane__segments span[data-state="active"] {
    background: var(--team-color);
  }

  .lane__segments span[data-state="correct"] {
    background: var(--color-success);
  }

  .lane__segments span[data-state="needs_answer"],
  .lane__segments span[data-state="workflow_issue"] {
    background: var(--color-warning);
  }

  .demo-page .lane__segments span:is([data-state="active"], [data-state="correct"]) {
    transform-origin: left center;
    animation: segment-fill 520ms var(--ease-out) both;
  }

  .lane__puzzles {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: center;
    gap: var(--space-3);
    min-inline-size: 0;
  }

  .checkpoint {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-inline-size: 0;
    min-block-size: 50px;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-small);
    background: var(--color-surface-raised);
  }

  .checkpoint__mark {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    inline-size: 30px;
    block-size: 30px;
    border: 1px solid var(--color-line);
    border-radius: 50%;
    color: var(--color-muted);
    font-family: var(--font-data);
    font-weight: 850;
  }

  .checkpoint__copy {
    display: grid;
    min-inline-size: 0;
  }

  .checkpoint__name,
  .checkpoint__status {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .checkpoint__name {
    font-weight: 720;
  }

  .checkpoint__status {
    color: var(--color-muted);
    font-size: 0.78rem;
  }

  .checkpoint__elapsed {
    color: var(--color-muted);
    font-family: var(--font-data);
    font-size: 0.7rem;
  }

  .checkpoint[data-state="correct"] {
    background: var(--color-success-surface);
  }

  .checkpoint[data-state="correct"] .checkpoint__mark,
  .checkpoint[data-state="complete"] .checkpoint__mark {
    border-color: var(--color-success);
    background: var(--color-success);
    color: var(--color-surface);
  }

  .checkpoint[data-state="active"] .checkpoint__mark {
    border-color: var(--team-color);
    background: var(--team-tint);
    color: var(--team-color);
  }

  .checkpoint[data-state="needs_answer"],
  .checkpoint[data-state="workflow_issue"] {
    background: var(--color-warning-surface);
  }

  .checkpoint[data-state="needs_answer"] .checkpoint__mark,
  .checkpoint[data-state="workflow_issue"] .checkpoint__mark {
    border-color: var(--color-warning);
    color: var(--color-warning);
  }

  .checkpoint--collab {
    inline-size: max-content;
    max-inline-size: 100%;
    min-block-size: 34px;
    padding: var(--space-1) var(--space-2);
    background: transparent;
  }

  .checkpoint--collab .checkpoint__mark {
    inline-size: 22px;
    block-size: 22px;
    font-size: 0.72rem;
  }

  .checkpoint--collab .checkpoint__status {
    display: none;
  }

  .lane__finish {
    display: grid;
    align-content: center;
    gap: var(--space-1);
  }

  .lane__finish-state {
    font-weight: 760;
  }

  .lane__finish-time {
    color: var(--color-muted);
    font-family: var(--font-data);
    font-size: 0.78rem;
  }

  .lane--loading {
    min-block-size: 138px;
    grid-template-columns: 76px 250px 1fr;
    gap: var(--space-5);
    padding: var(--space-5);
    box-shadow: none;
  }

  .skeleton {
    align-self: center;
    block-size: 20px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--color-surface-sunken), var(--color-surface-raised), var(--color-surface-sunken));
    background-size: 200% 100%;
    animation: shimmer 1.4s infinite;
  }

  .skeleton--rank {
    inline-size: 46px;
    block-size: 46px;
  }

  .skeleton--team {
    inline-size: 80%;
  }

  .skeleton--puzzles {
    inline-size: 100%;
    block-size: 62px;
  }

  .celebration {
    --celebration-bg: oklch(0.47 0.2 24);
    --celebration-ink: oklch(0.97 0.01 24);
    --firework-bright: oklch(0.97 0.02 85);
    --firework-gold: oklch(0.82 0.15 78);
    --firework-red: oklch(0.68 0.22 26);
    --firework-green: oklch(0.72 0.17 150);
    --firework-amber: oklch(0.86 0.17 88);
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: grid;
    place-items: center;
    overflow: hidden;
    padding: clamp(1.5rem, 6vw, 6rem);
    background: var(--celebration-bg);
    color: var(--celebration-ink);
    isolation: isolate;
    min-block-size: 100dvh;
    animation: celebration-enter 650ms var(--ease-out) both;
  }

  body.is-celebrating {
    overflow: hidden;
  }

  .celebration[data-team="green"] {
    --celebration-bg: oklch(0.43 0.145 151);
    --celebration-ink: oklch(0.97 0.01 151);
  }

  .celebration[data-team="yellow"] {
    --celebration-bg: oklch(0.84 0.16 89);
    --celebration-ink: oklch(0.22 0.04 89);
  }

  .celebration.is-leaving {
    animation: celebration-leave 450ms var(--ease-out) both;
  }

  .celebration__effects {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
  }

  .celebration__fireworks {
    position: absolute;
    inset: 0;
    inline-size: 100%;
    block-size: 100%;
    display: none;
    contain: strict;
    pointer-events: none;
  }

  .celebration.has-live-fireworks .celebration__fireworks {
    display: block;
  }

  .celebration__art {
    position: absolute;
    inset: 0;
    inline-size: 100%;
    block-size: 100%;
    object-fit: fill;
    opacity: 0.62;
    transition: opacity 180ms var(--ease-out);
  }

  .celebration.has-live-fireworks .celebration__art--static {
    opacity: 0;
  }

  .celebration__field {
    position: absolute;
    inset: clamp(1rem, 4vw, 4rem);
    z-index: 1;
    border: clamp(6px, 1vw, 14px) solid currentColor;
    opacity: 0.14;
    transform: skewX(-8deg);
  }

  .celebration__field::before,
  .celebration__field::after {
    content: "";
    position: absolute;
    background: currentColor;
  }

  .celebration__field::before {
    inset-block-start: 19%;
    inset-inline-start: -5%;
    inline-size: 110%;
    block-size: clamp(5px, 0.8vw, 12px);
  }

  .celebration__field::after {
    inset-block-end: 18%;
    inset-inline-start: -5%;
    inline-size: 110%;
    block-size: clamp(5px, 0.8vw, 12px);
  }

  .celebration__content {
    position: relative;
    z-index: 2;
    display: grid;
    justify-items: center;
    inline-size: min(820px, 100%);
    text-align: center;
  }

  .celebration__place {
    font-family: var(--font-data);
    font-size: clamp(1.1rem, 1rem + 1vw, 2rem);
    font-weight: 800;
  }

  .celebration__label {
    margin-block-start: clamp(1rem, 3vw, 2.5rem);
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 1rem + 1vw, 2rem);
    font-weight: 760;
  }

  .celebration h2 {
    margin-block: var(--space-3);
    max-inline-size: 100%;
    font-size: clamp(3.6rem, 2rem + 9vw, 10rem);
    font-weight: 850;
    letter-spacing: -0.07em;
    line-height: 0.88;
  }

  .celebration__content > p {
    font-size: clamp(1rem, 0.8rem + 1vw, 1.7rem);
    font-weight: 650;
  }

  .celebration__times {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    inline-size: min(680px, 100%);
    margin-block-start: clamp(1.25rem, 3vw, 2rem);
    border-block: 1px solid color-mix(in oklch, currentColor 40%, transparent);
  }

  .celebration__time {
    display: grid;
    gap: var(--space-1);
    padding: clamp(0.75rem, 2vw, 1.25rem);
  }

  .celebration__time + .celebration__time {
    border-inline-start: 1px solid color-mix(in oklch, currentColor 40%, transparent);
  }

  .celebration__time-label {
    font-size: clamp(0.72rem, 0.65rem + 0.3vw, 0.9rem);
    font-weight: 720;
  }

  .celebration__time-value {
    font-family: var(--font-data);
    font-size: clamp(1rem, 0.85rem + 0.8vw, 1.5rem);
  }

  .celebration__dismiss {
    min-block-size: 44px;
    margin-block-start: clamp(1.25rem, 3vw, 2rem);
    padding: var(--space-2) var(--space-4);
    border: 1px solid currentColor;
    border-radius: var(--radius-small);
    background: color-mix(in oklch, currentColor 8%, transparent);
    color: inherit;
    font: inherit;
    font-weight: 720;
    cursor: pointer;
    transition: background-color 220ms var(--ease-out), transform 220ms var(--ease-out);
  }

  .celebration__dismiss:hover {
    background: color-mix(in oklch, currentColor 16%, transparent);
  }

  .celebration__dismiss:active {
    transform: scale(0.98);
  }

  .celebration__dismiss:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 4px;
  }

  .admin-shell {
    inline-size: min(1180px, 100%);
  }

  .admin-heading {
    display: grid;
    gap: var(--space-3);
    max-inline-size: 760px;
    padding-block: clamp(2rem, 5vw, 4.5rem);
  }

  .admin-heading p:last-child,
  .settings-panel p,
  .organizer-settings p {
    color: var(--color-muted);
  }

  .organizer-settings {
    display: grid;
    gap: var(--space-5);
  }

  .settings-panel {
    padding: clamp(1.25rem, 3vw, 2.25rem);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-medium);
    background: var(--color-surface);
  }

  .settings-panel h2 {
    margin-block-end: var(--space-2);
    font-size: clamp(1.4rem, 1.2rem + 0.8vw, 2rem);
  }

  .config-section {
    display: grid;
    gap: var(--space-6);
  }

  .config-section__heading {
    max-inline-size: 840px;
  }

  .flow > * + * {
    margin-block-start: var(--space-5);
  }

  .login-form {
    display: flex;
    align-items: end;
    gap: var(--space-3);
    max-inline-size: 660px;
  }

  .login-form .field {
    flex: 1;
  }

  .field {
    display: grid;
    gap: var(--space-2);
  }

  .field label {
    font-weight: 720;
  }

  .field input {
    min-block-size: 46px;
    inline-size: 100%;
    padding-inline: var(--space-3);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    background: var(--color-surface-raised);
    color: var(--color-ink);
    font-size: 16px;
  }

  .field select {
    min-block-size: 46px;
    inline-size: 100%;
    padding-inline: var(--space-3);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    background: var(--color-surface-raised);
    color: var(--color-ink);
    font-size: 16px;
  }

  .field input:user-invalid {
    border-color: var(--color-error);
  }

  .field select:user-invalid {
    border-color: var(--color-error);
  }

  .field__meta,
  .field__help {
    color: var(--color-muted);
    font-size: 0.78rem;
  }

  .field__meta {
    font-family: var(--font-data);
  }

  .connection-status {
    min-block-size: 1.25em;
    color: var(--color-success);
    font-size: 0.78rem;
    font-weight: 680;
  }

  .connection-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
  }

  .field--wide,
  .connection-form .form-actions {
    grid-column: 1 / -1;
  }

  .settings-toolbar {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: var(--space-5);
    padding-block-end: var(--space-5);
    border-block-end: 1px solid var(--color-line);
  }

  #polling-status[data-state="paused"] {
    color: var(--color-warning);
    font-weight: 700;
  }

  .answer-groups {
    display: grid;
    gap: var(--space-5);
    padding-block: var(--space-6);
  }

  .race-format {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr);
    align-items: center;
    gap: var(--space-6);
    margin-block-start: var(--space-5);
    padding: var(--space-5);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    background: var(--color-surface-raised);
  }

  .race-format__copy {
    display: grid;
    gap: var(--space-2);
  }

  .race-format__copy h3 {
    font-size: 1.08rem;
  }

  .race-format__eyebrow {
    color: var(--color-muted);
    font-family: var(--font-data);
    font-size: 0.75rem;
    font-weight: 760;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .switch-control {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    align-items: center;
    gap: var(--space-3);
    min-block-size: 52px;
    padding: var(--space-3);
    border-radius: var(--radius-small);
    cursor: pointer;
  }

  .switch-control:hover {
    background: var(--color-surface-sunken);
  }

  .switch-control input {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    opacity: 0;
    pointer-events: none;
  }

  .switch-control__track {
    display: flex;
    align-items: center;
    inline-size: 52px;
    block-size: 30px;
    padding: 3px;
    border: 1px solid var(--color-line);
    border-radius: 999px;
    background: var(--color-surface-sunken);
  }

  .switch-control__track span {
    inline-size: 22px;
    block-size: 22px;
    border-radius: 50%;
    background: var(--color-muted);
    box-shadow: var(--shadow-float);
    transition: transform 180ms var(--ease-out);
  }

  .switch-control input:checked + .switch-control__track {
    border-color: var(--color-success);
    background: color-mix(in oklab, var(--color-success) 20%, var(--color-surface-raised));
  }

  .switch-control input:checked + .switch-control__track span {
    background: var(--color-success);
    transform: translateX(22px);
  }

  .switch-control input:focus-visible + .switch-control__track {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
  }

  .switch-control__label {
    display: grid;
    gap: 2px;
  }

  .switch-control__label > span {
    color: var(--color-muted);
    font-size: 0.8rem;
  }

  .answer-group {
    --team-color: var(--primitive-admin);
    min-inline-size: 0;
    padding: var(--space-5);
    border: 0;
    border-radius: var(--radius-small);
    background: color-mix(in oklab, var(--team-color) 7%, var(--color-surface-raised));
    box-shadow: inset 0 5px 0 var(--team-color);
  }

  .answer-group legend {
    padding-inline: var(--space-2);
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 780;
  }

  .team-controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .puzzle-configs {
    display: grid;
    margin-block-start: var(--space-5);
    border-block-start: 1px solid color-mix(in oklab, var(--team-color) 28%, var(--color-line));
  }

  .puzzle-config {
    display: grid;
    grid-template-columns: minmax(90px, 0.22fr) minmax(0, 1fr);
    gap: var(--space-4);
    padding-block: var(--space-5);
  }

  .puzzle-config[hidden] {
    display: none;
  }

  .puzzle-config + .puzzle-config {
    border-block-start: 1px solid var(--color-line);
  }

  .puzzle-config h3 {
    padding-block-start: 1.8rem;
    font-size: 1rem;
    letter-spacing: -0.01em;
  }

  .puzzle-config__fields {
    display: grid;
    grid-template-columns: 0.8fr 0.8fr 1.4fr;
    gap: var(--space-4);
    min-inline-size: 0;
  }

  .form-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-4);
    padding-block-start: var(--space-5);
    border-block-start: 1px solid var(--color-line);
  }

  .form-actions--section {
    flex-wrap: wrap;
  }

  .settings-footer {
    min-block-size: 1.5rem;
  }

  .race-controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--space-6);
  }

  .race-controls__action {
    display: grid;
    justify-items: end;
    gap: var(--space-2);
    min-inline-size: min(100%, 260px);
  }

  .race-controls__action .form-message {
    max-inline-size: 360px;
    text-align: end;
  }

  .confirmation-dialog {
    inline-size: min(540px, calc(100% - 2rem));
    margin: auto;
    padding: 0;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-medium);
    background: var(--color-surface);
    color: var(--color-ink);
    box-shadow: var(--shadow-raised);
  }

  .confirmation-dialog::backdrop {
    background: color-mix(in oklab, var(--color-canvas) 32%, transparent);
  }

  .confirmation-dialog form {
    display: grid;
    gap: var(--space-6);
    padding: clamp(1.25rem, 4vw, 2rem);
  }

  .confirmation-dialog h2 {
    margin-block: var(--space-2);
    font-size: clamp(1.5rem, 1.25rem + 1vw, 2rem);
  }

  .confirmation-dialog__context {
    color: var(--color-error);
    font-family: var(--font-data);
    font-size: 0.78rem;
    font-weight: 760;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  .confirmation-dialog__actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
  }

  .form-message {
    min-block-size: 1.5em;
    flex: 1;
    color: var(--color-error);
    font-weight: 650;
  }

  .form-message[data-tone="success"] {
    color: var(--color-success);
  }

  .form-message[data-tone="error"] {
    color: var(--color-error);
  }

  .noscript {
    position: fixed;
    inset-inline: var(--space-4);
    inset-block-end: var(--space-4);
    padding: var(--space-4);
    background: var(--color-error-surface);
    color: var(--color-error);
    font-weight: 700;
  }

  @keyframes shimmer {
    to {
      background-position: -200% 0;
    }
  }

  @keyframes celebration-enter {
    from {
      opacity: 0;
      transform: scale(1.05);
    }
    to {
      opacity: 1;
      transform: scale(1);
    }
  }

  @keyframes celebration-leave {
    from {
      opacity: 1;
      transform: scale(1);
    }
    to {
      opacity: 0;
      transform: scale(0.98);
    }
  }

  @keyframes segment-fill {
    from {
      opacity: 0.45;
      transform: scaleX(0.08);
    }
    to {
      opacity: 1;
      transform: scaleX(1);
    }
  }
}

@layer utilities {
  @media (hover: hover) and (pointer: fine) {
    .button:not(:disabled):hover {
      transform: translateY(-1px);
    }

    .button--primary:hover {
      background: var(--color-action-hover);
    }

    .button--quiet:hover,
    .button--secondary:hover {
      background: var(--color-surface-sunken);
      color: var(--color-ink);
    }

    .button--danger:hover {
      background: color-mix(in oklab, var(--color-error) 18%, var(--color-error-surface));
    }

    .button--danger-strong:hover {
      background: color-mix(in oklab, var(--color-error) 86%, var(--color-ink));
    }

    .lane:not([data-complete="true"]):hover {
      background: var(--color-surface-raised);
    }
  }

  @media (max-width: 1100px) {
    .lane {
      grid-template-columns: 70px minmax(200px, 0.7fr) minmax(400px, 1.5fr);
    }

    .lane__puzzles {
      border-inline-end: 0;
    }

    .lane__finish {
      grid-column: 2 / -1;
      grid-template-columns: auto 1fr;
      gap: var(--space-3);
      padding-block-start: 0;
      border-block-start: 1px solid var(--color-line);
    }

    .lane--loading {
      grid-template-columns: 60px 220px 1fr;
    }
  }

  @media (max-width: 900px) {
    .demo-panel {
      grid-template-columns: 1fr auto;
    }

    .demo-progress {
      grid-column: 1 / -1;
      grid-row: 2;
    }

    .lane {
      grid-template-columns: 64px minmax(0, 1fr);
    }

    .lane__rank {
      grid-column: 1;
      grid-row: 1;
      align-content: start;
    }

    .lane__identity {
      grid-column: 2;
      grid-row: 1;
      border-inline-end: 0;
    }

    .lane__puzzles {
      grid-column: 1 / -1;
      grid-row: 2;
      border-block-start: 1px solid var(--color-line);
      border-inline-end: 0;
    }

    .lane__finish {
      grid-column: 1 / -1;
      grid-row: 3;
    }

    .lane--loading {
      grid-template-columns: 56px 1fr;
    }

    .skeleton--puzzles {
      display: none;
    }
  }

  @media (max-width: 900px) {
    .settings-toolbar {
      align-items: stretch;
      flex-direction: column;
    }

    .settings-toolbar__actions {
      flex-wrap: wrap;
      justify-content: flex-start;
    }
  }

  @media (max-width: 760px) {
    .masthead {
      align-items: flex-start;
    }

    .masthead__actions {
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .live-status {
      order: -1;
    }

    .scoreboard-shell,
    .admin-shell {
      padding-inline: var(--space-4);
    }

    .board-heading {
      grid-template-columns: 1fr;
      gap: var(--space-4);
    }

    .board-heading__meta {
      justify-items: start;
      text-align: start;
    }

    .section-heading,
    .settings-toolbar,
    .form-actions {
      align-items: stretch;
      flex-direction: column;
    }

    .race-controls {
      grid-template-columns: 1fr;
      align-items: stretch;
    }

    .race-format {
      grid-template-columns: 1fr;
      gap: var(--space-4);
    }

    .race-controls__action {
      justify-items: stretch;
      min-inline-size: 0;
    }

    .race-controls__action .form-message {
      text-align: start;
    }

    .confirmation-dialog__actions {
      align-items: stretch;
      flex-direction: column-reverse;
    }

    .demo-panel {
      grid-template-columns: 1fr;
      align-items: stretch;
    }

    .demo-progress {
      grid-column: 1;
      grid-row: auto;
    }

    .demo-panel__actions {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .lane {
      grid-template-columns: 60px minmax(0, 1fr);
    }

    .lane__rank {
      grid-row: 1;
    }

    .lane__identity {
      border-inline-end: 0;
    }

    .lane__puzzles {
      grid-column: 1 / -1;
      grid-template-columns: 1fr;
      border-inline-end: 0;
    }

    .lane__finish {
      grid-column: 1 / -1;
    }

    .lane--loading {
      grid-template-columns: 52px 1fr;
    }

    .skeleton--puzzles {
      display: none;
    }

    .team-controls,
    .puzzle-config__fields {
      grid-template-columns: 1fr;
    }

    .puzzle-config {
      grid-template-columns: 1fr;
    }

    .puzzle-config h3 {
      padding-block-start: 0;
    }

    .connection-form {
      grid-template-columns: 1fr;
    }

    .field--wide,
    .connection-form .form-actions {
      grid-column: auto;
    }

    .login-form {
      align-items: stretch;
      flex-direction: column;
    }
  }

  @media (max-width: 520px) {
    .event-mark > span:last-child {
      display: none;
    }

    .masthead {
      min-block-size: 62px;
      padding-inline: var(--space-3);
    }

    .button {
      padding-inline: var(--space-3);
    }

    .theme-toggle {
      max-inline-size: 118px;
    }

    .board-heading h1,
    .admin-heading h1 {
      font-size: clamp(2.3rem, 12vw, 3.5rem);
    }

    .lane {
      grid-template-columns: 52px minmax(0, 1fr);
    }

    .lane__rank,
    .lane__identity,
    .lane__puzzles,
    .lane__finish {
      padding-inline: var(--space-3);
    }

    .lane__rank {
      padding-inline-end: var(--space-2);
    }

    .settings-toolbar__actions {
      align-items: stretch;
      flex-direction: column;
    }

    .demo-panel {
      padding: var(--space-4);
    }

    .demo-panel__status p {
      white-space: normal;
    }

    .demo-panel__actions {
      grid-template-columns: 1fr 1fr;
    }

    .demo-panel__actions .button:first-child {
      grid-column: 1 / -1;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      scroll-behavior: auto !important;
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }

    .celebration,
    .celebration.is-leaving {
      animation: none;
    }

    .celebration__fireworks {
      display: none !important;
    }

    .celebration__art--static {
      opacity: 0.78;
      transform: none;
    }

    .demo-page .lane__segments span:is([data-state="active"], [data-state="correct"]) {
      animation: none;
    }
  }

  @media (forced-colors: active) {
    .event-mark__bars i,
    .checkpoint__mark,
    .celebration__field {
      forced-color-adjust: none;
    }

    .lane,
    .answer-group {
      box-shadow: inset 0 6px 0 CanvasText;
    }

    .lane__segments span,
    .demo-progress span {
      border: 1px solid CanvasText;
    }

    .lane__segments span:is([data-state="active"], [data-state="correct"]),
    .demo-progress span:is([data-state="past"], [data-state="current"]) {
      background: Highlight;
    }

    .celebration__effects {
      display: none;
    }

    .switch-control__track,
    .switch-control__track span {
      forced-color-adjust: none;
    }

    .switch-control input:checked + .switch-control__track {
      background: Highlight;
    }
  }
}