:root {
  --bg: #05090d;
  --panel: #151b25;
  --panel-border: #283241;
  --grid: rgba(155, 255, 34, 0.07);
  --lime: #a8ff1f;
  --lime-2: #78e60d;
  --cyan: #20f2f2;
  --orange: #ff9f13;
  --red: #ff2430;
  --text: #f4f7fb;
  --muted: #9aa6b7;
  --text-muted: var(--muted);
  --green: var(--jumper-ui-accent);
  --font-display: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 20px;
  --radius-sm: 14px;
  --bg-card: #151b25;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --jumper-ui-accent: var(--lime);
  --jumper-ui-accent-dim: var(--lime-2);
  --jumper-player-color: var(--lime);
  --jumper-canvas-border: rgba(168, 255, 31, 0.34);
  --jumper-page-glow-a: rgba(112, 255, 26, 0.15);
  --jumper-page-glow-b: rgba(255, 114, 24, 0.10);
  --jumper-page-grid: rgba(168, 255, 31, 0.035);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 18% 12%, var(--jumper-page-glow-a), transparent 28rem),
    radial-gradient(circle at 87% 74%, var(--jumper-page-glow-b), transparent 26rem),
    linear-gradient(90deg, var(--jumper-page-grid) 1px, transparent 1px),
    linear-gradient(var(--jumper-page-grid) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 52px 52px, 52px 52px, auto;
}

button,
a {
  font: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.game-shell {
  display: grid;
  grid-template-columns: minmax(190px, 260px) minmax(390px, 620px) minmax(180px, 260px);
  gap: clamp(14px, 2vw, 34px);
  align-items: start;
  width: min(1420px, 100%);
  min-height: 100dvh;
  margin: 0 auto;
  padding: clamp(10px, 1.5vw, 24px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  aspect-ratio: 1;
  border-radius: 14px;
  color: #071005;
  background: linear-gradient(145deg, var(--jumper-ui-accent), var(--jumper-ui-accent-dim));
  font-weight: 900;
  font-size: 21px;
  box-shadow: 0 0 44px color-mix(in srgb, var(--jumper-ui-accent) 22%, transparent);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1;
  font-weight: 900;
}

.brand p,
.score-pill span,
.panel h2 {
  color: var(--muted);
}

.brand p {
  margin-top: 5px;
  font-size: 14px;
}

.panel {
  border: 2px solid var(--panel-border);
  border-radius: 20px;
  background: rgba(21, 27, 37, 0.92);
  box-shadow: 0 18px 70px rgba(0, 0, 0, 0.24);
}

.brand-panel,
.leader-panel {
  min-width: 0;
}

.brand-panel .panel {
  margin-bottom: 14px;
  padding: 18px;
}

.panel h2 {
  margin-bottom: 14px;
  font-size: 15px;
  letter-spacing: 0;
  font-weight: 900;
}

.preview-stage {
  position: relative;
  width: min(150px, 100%);
  aspect-ratio: 1;
  margin-top: 6px;
  background: #070d12;
  overflow: hidden;
}

.preview-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(168, 255, 31, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(168, 255, 31, 0.07) 1px, transparent 1px);
  background-size: 24px 24px;
}

.preview-player,
.preview-platform {
  position: absolute;
  border: 3px solid var(--lime);
  box-shadow: inset 0 0 16px color-mix(in srgb, var(--lime) 24%, transparent), 0 0 14px color-mix(in srgb, var(--lime) 25%, transparent);
}

.preview-player {
  left: 62px;
  top: 49px;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border-color: var(--jumper-player-color);
  background: color-mix(in srgb, var(--jumper-player-color) 20%, transparent);
  box-shadow:
    inset 0 0 16px color-mix(in srgb, var(--jumper-player-color) 24%, transparent),
    0 0 14px color-mix(in srgb, var(--jumper-player-color) 25%, transparent);
}

.preview-platform {
  width: 48px;
  height: 10px;
  border-radius: 999px;
}

.preview-platform.one {
  left: 22px;
  top: 96px;
}

.preview-platform.two {
  left: 78px;
  top: 112px;
  border-color: var(--cyan);
}

.preview-platform.three {
  left: 49px;
  top: 130px;
  border-color: var(--orange);
}

.stats-panel p {
  font-size: 18px;
  line-height: 1.42;
}

.actions-panel {
  display: grid;
  gap: 10px;
}

button,
.home-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  border-radius: 999px;
  border: 0;
  color: #061006;
  background: linear-gradient(145deg, var(--jumper-ui-accent), var(--jumper-ui-accent-dim));
  text-decoration: none;
  font-weight: 900;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 0 40px color-mix(in srgb, var(--jumper-ui-accent) 20%, transparent);
  transition: transform 140ms ease, filter 140ms ease, border-color 140ms ease;
}

@media (hover: hover) {
  button:hover,
  .home-button:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
  }
}

button:active,
.home-button:active {
  transform: translateY(1px);
}

button.ghost,
.home-button {
  border: 2px solid rgba(255, 255, 255, 0.09);
  color: var(--text);
  background: rgba(5, 9, 13, 0.32);
  box-shadow: none;
}

#statusText {
  color: var(--jumper-ui-accent);
  font-size: 15px;
}

.auth-hint {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
  font-weight: 500;
}

.auth-hint[hidden] {
  display: none;
}

.leaderboard .leaderboard-list {
  max-height: 360px;
}

.leaderboard .leaderboard-item__score {
  color: var(--lime);
}

a.leaderboard-item__name:hover {
  color: var(--lime);
}

.leaderboard-item--you .leaderboard-item__name {
  color: var(--lime);
}

.controls-panel p {
  margin: 10px 0 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.35;
}

.play-area {
  display: grid;
  justify-items: center;
  gap: 14px;
  min-width: 0;
}

.topbar {
  display: flex;
  justify-content: flex-end;
  width: 100%;
  min-width: 0;
}

.score-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 20px;
  border: 2px solid var(--panel-border);
  border-radius: 999px;
  background: rgba(21, 27, 37, 0.9);
  max-width: 100%;
}

.score-pill strong {
  font-size: 24px;
}

.canvas-wrap {
  position: relative;
  width: min(100%, 620px, calc(72.093dvh - 86px));
  max-width: 100%;
  justify-self: center;
}

canvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 620 / 860;
  touch-action: none;
  border: 3px solid var(--jumper-canvas-border);
  border-radius: 30px;
  background: #071015;
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--jumper-ui-accent) 8%, transparent),
    0 0 42px color-mix(in srgb, var(--jumper-ui-accent) 8%, transparent);
  cursor: none;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 12px;
  border-radius: 30px;
  text-align: center;
  background: rgba(5, 9, 13, 0.68);
  backdrop-filter: blur(4px);
}

.overlay.hidden {
  display: none;
}

.overlay h2 {
  color: var(--jumper-ui-accent);
  font-size: clamp(40px, 7vw, 78px);
  font-weight: 900;
}

.overlay p {
  color: var(--text);
  font-size: 20px;
}

.overlay-result {
  max-width: 28rem;
  margin: 0 auto;
  color: var(--jumper-ui-accent);
  font-size: 16px;
  line-height: 1.45;
}

.leader-panel {
  display: grid;
  gap: 18px;
  justify-items: stretch;
  padding-top: 2px;
}

.leaderboard {
  padding: 18px;
}

.leaderboard-empty {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  gap: 12px 8px;
  color: var(--muted);
  font-size: 16px;
  font-weight: 900;
}

.leaderboard-empty strong {
  color: var(--jumper-ui-accent);
}

.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal__dialog {
  position: relative;
  width: min(400px, 100%);
  padding: 28px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  text-align: center;
}

.modal .board-settings {
  width: min(520px, 100%);
  max-height: min(90vh, 720px);
  overflow-y: auto;
  text-align: left;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 0;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.btn--primary {
  color: #061006;
  background: linear-gradient(145deg, var(--jumper-ui-accent), var(--jumper-ui-accent-dim));
}

.board-settings__preview--jumper-player {
  background: rgba(255, 255, 255, 0.04);
}

.board-settings__preview--jumper-player-neon { background: linear-gradient(180deg, rgba(168, 255, 31, 0.35), rgba(120, 230, 13, 0.18)); }
.board-settings__preview--jumper-player-classic { background: linear-gradient(180deg, rgba(0, 204, 0, 0.35), rgba(0, 153, 0, 0.18)); }
.board-settings__preview--jumper-player-pastel { background: linear-gradient(180deg, rgba(200, 245, 122, 0.4), rgba(149, 213, 178, 0.2)); }
.board-settings__preview--jumper-player-mono { background: linear-gradient(180deg, rgba(216, 222, 232, 0.35), rgba(154, 166, 182, 0.18)); }
.board-settings__preview--jumper-player-cyan { background: linear-gradient(180deg, rgba(32, 242, 242, 0.35), rgba(32, 180, 200, 0.18)); }
.board-settings__preview--jumper-player-orange { background: linear-gradient(180deg, rgba(255, 159, 19, 0.35), rgba(224, 127, 0, 0.18)); }

@media (max-width: 1180px) {
  .game-shell {
    grid-template-columns: minmax(160px, 220px) minmax(320px, 620px) minmax(150px, 220px);
  }

  .leader-panel {
    grid-column: auto;
    grid-template-columns: 1fr;
  }
}

@media (max-height: 800px) and (min-width: 821px) {
  .game-shell {
    gap: clamp(10px, 1.5vw, 24px);
    padding-block: 10px;
  }

  .brand {
    margin-bottom: 10px;
  }

  .brand-mark {
    width: 44px;
    border-radius: 12px;
    font-size: 18px;
  }

  h1 {
    font-size: 23px;
  }

  .brand p {
    margin-top: 3px;
    font-size: 12px;
  }

  .brand-panel .panel {
    margin-bottom: 10px;
    padding: 12px;
  }

  .panel h2 {
    margin-bottom: 10px;
    font-size: 13px;
  }

  .preview-stage {
    width: 105px;
  }

  .preview-player {
    left: 43px;
    top: 34px;
    width: 20px;
    height: 20px;
    border-radius: 6px;
  }

  .preview-platform {
    width: 34px;
    height: 8px;
  }

  .preview-platform.one {
    left: 15px;
    top: 67px;
  }

  .preview-platform.two {
    left: 55px;
    top: 78px;
  }

  .preview-platform.three {
    left: 34px;
    top: 91px;
  }

  .stats-panel p {
    font-size: 15px;
    line-height: 1.35;
  }

  .actions-panel {
    gap: 7px;
  }

  button,
  .home-button {
    min-height: 40px;
    font-size: 15px;
  }

  #statusText,
  .controls-panel p {
    font-size: 13px;
  }

  .controls-panel p {
    margin-top: 7px;
  }

  .play-area {
    gap: 10px;
  }

  .score-pill {
    min-height: 42px;
    padding-inline: 16px;
  }

  .score-pill strong {
    font-size: 20px;
  }

  .leader-panel {
    gap: 10px;
  }

  .leaderboard {
    padding: 12px;
  }

  .leaderboard-empty {
    gap: 8px 6px;
    font-size: 13px;
  }
}

@media (max-width: 820px) {
  body {
    overflow-x: hidden;
  }

  .game-shell {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 16px;
    max-width: 100vw;
    overflow-x: hidden;
  }

  .brand-panel {
    display: contents;
  }

  .brand,
  .next-panel,
  .controls-panel,
  .leader-panel {
    display: none;
  }

  .brand-panel .panel {
    margin-bottom: 0;
  }

  .stats-panel,
  .actions-panel {
    padding: 14px;
    border-radius: 18px;
  }

  .stats-panel p {
    font-size: 16px;
  }

  button {
    min-height: 46px;
    font-size: 16px;
  }

  .play-area {
    grid-row: 1;
    gap: 14px;
    width: min(calc(100vw - 32px), calc(72.093dvh - 66px));
    max-width: 620px;
    overflow: hidden;
  }

  .topbar,
  .canvas-wrap {
    width: 100%;
    max-width: 620px;
  }

  .score-pill {
    min-height: 46px;
    padding: 0 14px;
  }

  .score-pill strong {
    font-size: 20px;
  }

  canvas {
    max-width: 100%;
    border-radius: 20px;
  }

  .overlay {
    border-radius: 20px;
  }
}