:root {
  --navy: #0b1d33;
  --navy-2: #13304f;
  --ball: #dff23a;
  --court: #2d5d9f;
  --good: #3ddc84;
  --bad: #ff5d5d;
  --text: #f5f8fb;
  --muted: #a9bdd0;
  font-family: ui-rounded, 'SF Pro Rounded', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--navy);
  color: var(--text);
}

#game {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

button {
  font: inherit;
  cursor: pointer;
}

/* ---------- Scoreboard ---------- */
#scoreboard {
  position: fixed;
  top: 16px;
  left: 16px;
  background: rgba(11, 29, 51, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 8px 10px 6px;
  min-width: 190px;
  backdrop-filter: blur(6px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
  opacity: 0;
  transition: opacity 0.3s;
}
body.playing #scoreboard {
  opacity: 1;
}
#scoreboard .row {
  display: grid;
  grid-template-columns: 14px 1fr 34px 44px;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 20px;
  line-height: 1.5;
}
#scoreboard .games {
  text-align: center;
  color: var(--muted);
}
#scoreboard .points {
  text-align: center;
  background: var(--ball);
  color: var(--navy);
  border-radius: 6px;
  font-variant-numeric: tabular-nums;
}
#scoreboard .serve {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
#scoreboard .serve.on {
  background: var(--ball);
  box-shadow: 0 0 8px var(--ball);
}
#scoreboard .foot {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

/* ---------- Top-right corner ---------- */
#topright {
  position: fixed;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.pill {
  background: rgba(11, 29, 51, 0.85);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 14px;
  font-weight: 600;
}
body.has-ctrl #conn {
  border-color: var(--good);
}
#sound {
  display: none;
}
#sound.show {
  display: inline-block;
}
body:not(.playing) #topright {
  display: none;
}
#speed {
  font-weight: 800;
  font-size: 22px;
  color: var(--ball);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transform: translateY(-6px);
  transition: 0.25s;
}
#speed.show {
  opacity: 1;
  transform: none;
}

/* ---------- Callouts ---------- */
#toast {
  position: fixed;
  top: 22%;
  left: 50%;
  transform: translate(-50%, -10px) scale(0.9);
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transition: 0.25s cubic-bezier(0.2, 1.4, 0.4, 1);
}
#toast.show {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}
#toast-title {
  font-size: clamp(40px, 7vw, 84px);
  font-weight: 900;
  letter-spacing: -0.02em;
  text-shadow: 0 4px 0 var(--navy), 0 10px 30px rgba(0, 0, 0, 0.5);
}
#toast.good #toast-title {
  color: var(--ball);
}
#toast.bad #toast-title {
  color: #fff;
}
#toast-sub {
  margin-top: 4px;
  font-size: clamp(16px, 2.2vw, 26px);
  font-weight: 700;
  background: rgba(11, 29, 51, 0.8);
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
}
#toast-sub:empty {
  display: none;
}

#feedback {
  position: fixed;
  left: 50%;
  top: 58%;
  transform: translate(-50%, 8px);
  font-weight: 800;
  font-size: 24px;
  opacity: 0;
  transition: 0.2s;
  pointer-events: none;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
}
#feedback.show {
  opacity: 1;
  transform: translate(-50%, 0);
}
#feedback.good {
  color: var(--ball);
}
#feedback.bad {
  color: #ffb3b3;
}

#hint {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(11, 29, 51, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 17px;
  max-width: calc(100% - 32px);
  text-align: center;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
#hint.show {
  opacity: 1;
}

/* ---------- Overlays ---------- */
.overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: radial-gradient(ellipse at center, rgba(11, 29, 51, 0.55), rgba(11, 29, 51, 0.9));
  backdrop-filter: blur(3px);
  overflow-y: auto;
}
.overlay.show {
  display: flex;
}
/* The menu lets the stadium show through (live court preview). */
#menu {
  background: linear-gradient(180deg, rgba(11, 29, 51, 0.1) 0%, rgba(11, 29, 51, 0.55) 70%, rgba(11, 29, 51, 0.8));
  backdrop-filter: none;
}
.card {
  width: min(960px, 100%);
  background: linear-gradient(180deg, #102a47, #0b1d33);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  margin: auto;
}

/* ---------- Menu ---------- */
.menu {
  width: min(1060px, 100%);
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 4px 4px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.45);
}
.head-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.small-seg {
  backdrop-filter: blur(8px);
  background: rgba(11, 29, 51, 0.7);
}
.small-seg button {
  padding: 5px 10px;
  font-size: 13px;
  font-weight: 800;
}
#ctrl-pill {
  backdrop-filter: blur(8px);
}
body.has-ctrl #ctrl-pill {
  border-color: var(--good);
  color: var(--good);
}
.menu-grid {
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 14px;
  align-items: start;
}
@media (max-width: 760px) {
  .menu-grid {
    grid-template-columns: 1fr;
  }
  /* On narrow screens the QR sits next to the details. */
  .connect {
    display: grid;
    grid-template-columns: 150px 1fr;
    column-gap: 16px;
    text-align: left;
    align-items: center;
  }
  .connect h2,
  .connect .steps {
    grid-column: 1 / -1;
  }
  .connect .qr-wrap {
    grid-row: span 3;
    padding: 8px;
  }
}
.panel {
  background: rgba(9, 22, 40, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 20px;
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
.panel h2 {
  margin: 0 0 16px;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.step {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ball);
  color: var(--navy);
  font-size: 14px;
  font-weight: 900;
}
.connect {
  text-align: center;
}
.steps {
  margin-top: 12px;
  text-align: left;
  font-size: 13px;
  color: var(--muted);
}
.steps summary,
.tips summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
}
.steps ol {
  padding-left: 20px;
  margin: 8px 0 0;
  line-height: 1.55;
}

.field {
  margin-bottom: 18px;
}
.label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 700;
}
.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

/* Court cards */
.courts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
@media (max-width: 520px) {
  .courts {
    grid-template-columns: 1fr;
  }
}
.court {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  text-align: left;
  padding: 10px;
  border-radius: 16px;
  border: 2px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  transition: transform 0.15s, border-color 0.15s, background 0.15s;
}
.court:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.08);
}
.court svg {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 8px;
  border-radius: 9px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}
.court b {
  font-size: 16px;
}
.court small {
  color: var(--muted);
  font-size: 12px;
}
.court.on {
  border-color: var(--ball);
  background: rgba(223, 242, 58, 0.08);
  box-shadow: 0 0 0 4px rgba(223, 242, 58, 0.12);
}
.court.on b::after {
  content: ' ✓';
  color: var(--ball);
}

/* Racket */
.racket-pick {
  display: flex;
  align-items: center;
  gap: 16px;
}
#racket-preview {
  width: 132px;
  height: 168px;
  flex: none;
  border-radius: 16px;
  background: radial-gradient(circle at 50% 40%, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02) 70%);
  cursor: grab;
  touch-action: none;
}
#racket-preview:active {
  cursor: grabbing;
}
.racket-name {
  display: block;
  font-size: 20px;
  margin-bottom: 10px;
}
.swatches {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.swatches button {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 3px solid transparent;
  padding: 0;
  background: conic-gradient(from 200deg, var(--a) 0 45%, var(--b) 45% 80%, var(--c) 80% 100%);
  box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.25), 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: transform 0.15s;
}
.swatches button:hover {
  transform: scale(1.08);
}
.swatches button.on {
  border-color: #fff;
  transform: scale(1.12);
}

.play-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.menu-foot {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 6px 6px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
}

.ball-logo {
  width: 58px;
  height: 58px;
  flex: none;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #f4ff8a, var(--ball) 45%, #a9bd12);
  position: relative;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(223, 242, 58, 0.35);
}
.ball-logo::before,
.ball-logo::after {
  content: '';
  position: absolute;
  width: 58px;
  height: 58px;
  border: 3px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
}
.ball-logo::before {
  left: -40px;
}
.ball-logo::after {
  right: -40px;
}
h1 {
  margin: 0;
  font-size: 34px;
  letter-spacing: -0.02em;
}
.tag {
  margin: 4px 0 0;
  color: #d5e2ee;
}
.qr-wrap {
  background: #fff;
  border-radius: 16px;
  padding: 12px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  max-width: 250px;
  margin: 0 auto;
}
#qr {
  width: 100%;
  height: auto;
  image-rendering: pixelated;
}
#qr:not([src]) {
  visibility: hidden;
}
.code-line {
  margin-top: 12px;
  color: var(--muted);
  font-weight: 600;
}
.code-line b {
  color: var(--ball);
  font-size: 28px;
  letter-spacing: 0.18em;
  margin-left: 6px;
}
.url {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 13px;
  color: var(--muted);
  word-break: break-all;
}
.status {
  margin-top: 12px;
  padding: 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 14px;
  line-height: 1.45;
}
body.has-ctrl .status {
  background: rgba(61, 220, 132, 0.15);
  border: 1px solid rgba(61, 220, 132, 0.5);
}
.seg {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  padding: 3px;
}
.seg button {
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 9px;
  font-weight: 600;
}
.seg button.on {
  background: var(--ball);
  color: var(--navy);
}
button.primary {
  background: var(--ball);
  color: var(--navy);
  border: 0;
  border-radius: 14px;
  padding: 14px 40px;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(223, 242, 58, 0.3);
}
button.primary:hover {
  filter: brightness(1.05);
}
.small {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}
.tips {
  color: #c3d3e2;
  font-size: 14px;
  line-height: 1.55;
}
.small-card {
  width: min(460px, 100%);
  text-align: center;
}
.small-card h2 {
  margin: 0;
  font-size: 40px;
}
.big-score {
  font-size: 56px;
  font-weight: 900;
  color: var(--ball);
  margin: 8px 0 16px;
}
.stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 22px;
}
.stats b {
  display: block;
  font-size: 28px;
}
.stats span {
  color: var(--muted);
  font-size: 13px;
}
.actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 10px;
}
.actions button:not(.primary) {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  border: 0;
  border-radius: 14px;
  padding: 14px 24px;
  font-weight: 700;
}

/* ---------- Staging badge ---------- */
.env-badge {
  position: fixed;
  left: 50%;
  bottom: max(8px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 50;
  padding: 3px 10px;
  border-radius: 999px;
  background: #ff8a00;
  color: #1a0f00;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
  pointer-events: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}