/* One Feeling, One Promise — neon rhythm game */
:root {
  --mag: #FF00DC;
  --cya: #00F5FF;
  --yel: #FFE628;
  --txt: #F5F5FA;
  --bg: #04040C;
  --font: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  --lane-fall: 2.0s;
  --hit-y: 78%;
  --radius: 12px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--txt);
  font-family: var(--font);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
  max-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 50% 0%, #0a1020 0%, var(--bg) 60%),
    var(--bg);
}

.hidden { display: none !important; }

/* ---- overlays ---- */
.overlay {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(4, 4, 12, 0.92);
  padding: 1rem;
}
#confirm-overlay {
  z-index: 60;
}

.overlay-card {
  border: 2px solid var(--cya);
  border-radius: 18px;
  padding: 2rem 1.75rem;
  max-width: 420px;
  width: 100%;
  text-align: center;
  background: rgba(8, 16, 28, 0.95);
  box-shadow: 0 0 24px rgba(0, 245, 255, 0.25), inset 0 0 40px rgba(0, 245, 255, 0.05);
}
#start-overlay .overlay-card.start-main.borderless,
#start-overlay .overlay-card.borderless {
  border: none;
  box-shadow: none;
  background: transparent;
  max-width: 380px;
  padding: 1.25rem 1rem;
}

.overlay-card h1 {
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  letter-spacing: 0.06em;
  line-height: 1.25;
  margin: 0.75rem 0 0.5rem;
  color: var(--txt);
}

.overlay-card .sub { color: var(--cya); font-size: 0.75rem; letter-spacing: 0.12em; margin-bottom: 1rem; }
.overlay-card .hint { font-size: 0.85rem; margin-bottom: 1.25rem; line-height: 1.5; }
.overlay-card .dim { color: rgba(245, 245, 250, 0.45); font-size: 0.75rem; }
.overlay-card .loading { margin-top: 0.75rem; font-size: 0.7rem; color: var(--yel); min-height: 1em; }

.overlay-card button,
#retry-btn,
#start-btn {
  appearance: none;
  border: 2px solid var(--mag);
  background: rgba(255, 0, 220, 0.12);
  color: var(--txt);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 0.9rem 1.5rem;
  border-radius: 12px;
  cursor: pointer;
  width: 100%;
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
  box-shadow: 0 0 16px rgba(255, 0, 220, 0.35);
}

.overlay-card button:hover,
#start-btn:hover { background: rgba(255, 0, 220, 0.28); }
.overlay-card button:active { transform: scale(0.98); }

.dots { display: flex; gap: 10px; justify-content: center; margin-bottom: 0.25rem; }
.dots.sm { gap: 8px; margin-bottom: 0.35rem; }
.dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.dot.mag { background: var(--mag); box-shadow: 0 0 6px var(--mag); }
.dot.cya { background: var(--cya); box-shadow: 0 0 6px var(--cya); }
.dot.yel { background: var(--yel); box-shadow: 0 0 6px var(--yel); }

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1rem;
  margin: 1.25rem 0 1.5rem;
  text-align: left;
}
.results-grid strong { display: block; font-size: 1.25rem; color: var(--cya); }
.results-grid .dim { font-size: 0.65rem; letter-spacing: 0.1em; color: rgba(245,245,250,0.5); }

/* ---- game shell ---- */
#game {
  width: min(100vw, 1600px);
  height: min(100dvh, calc(100vw * 9 / 16 + 120px));
  max-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  padding: 0.5rem 0.6rem 0.4rem;
  border: 2px solid var(--cya);
  border-radius: 16px;
  margin: 0.4rem;
  background: rgba(4, 6, 14, 0.9);
  box-shadow: 0 0 30px rgba(0, 245, 255, 0.15), inset 0 0 60px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

/* ---- top bar ---- */
.top-bar {
  display: grid;
  grid-template-columns: auto auto 1fr auto auto;
  align-items: center;
  gap: 0.5rem 0.75rem;
  padding: 0.25rem 0.35rem 0.5rem;
  min-height: 0;
}

.meta-left, .meta-right {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}
.meta-right { text-align: right; align-items: flex-end; }
.tag.cya { color: var(--cya); }
.tag.yel { color: var(--yel); }
.tag.mag { color: var(--mag); }

.header-pill {
  border: 1px solid var(--cya);
  border-radius: 14px;
  padding: 0.3rem 0.7rem;
  font-size: 0.65rem;
  color: var(--cya);
  background: rgba(10, 20, 30, 0.9);
  white-space: nowrap;
  letter-spacing: 0.06em;
}

.title-box {
  border: 2px solid var(--cya);
  border-radius: 12px;
  padding: 0.55rem 1.4rem 0.75rem;
  text-align: center;
  background: rgba(8, 16, 28, 0.95);
  justify-self: center;
  max-width: 100%;
  box-shadow: 0 0 12px rgba(0, 245, 255, 0.2);
  margin-bottom: 0.35rem;
}
.title-box h2 {
  font-size: clamp(0.7rem, 1.6vw, 1.05rem);
  letter-spacing: 0.1em;
  font-weight: 700;
  line-height: 1.2;
  padding: 0 0.25rem;
}

.timer-box {
  border: 1px solid var(--cya);
  border-radius: 8px;
  padding: 0.35rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 700;
  background: rgba(10, 20, 30, 0.9);
  min-width: 3.5rem;
  text-align: center;
}

/* ---- playfield ---- */
.playfield-wrap {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 2.2fr) minmax(0, 0.7fr);
  gap: 0.5rem;
  min-height: 0;
  height: 100%;
  padding: 0 0.25rem;
}

.side-panel {
  position: relative;
  border-radius: 16px;
  border-width: 3px;
  border-style: solid;
  overflow: hidden;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.side-panel.neon-mag {
  border-color: var(--mag);
  background: rgba(12, 0, 18, 0.85);
  box-shadow: 0 0 14px rgba(255, 0, 220, 0.25);
}
.side-panel.neon-yel {
  border-color: var(--yel);
  background: rgba(18, 16, 0, 0.85);
  box-shadow: 0 0 14px rgba(255, 230, 40, 0.2);
}
.side-panel::before,
.side-panel::after {
  content: "";
  position: absolute;
  top: 12%;
  bottom: 12%;
  width: 2px;
  opacity: 0.7;
}
.side-panel.neon-mag::before { left: 14%; background: var(--mag); box-shadow: 0 0 6px var(--mag); }
.side-panel.neon-mag::after { right: 14%; background: var(--mag); box-shadow: 0 0 6px var(--mag); }
.side-panel.neon-yel::before { left: 14%; background: var(--yel); box-shadow: 0 0 6px var(--yel); }
.side-panel.neon-yel::after { right: 14%; background: var(--yel); box-shadow: 0 0 6px var(--yel); }

.side-label {
  position: relative;
  z-index: 2;
  text-align: center;
  font-size: clamp(0.7rem, 1.8vw, 1.35rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.15;
  color: var(--txt);
  text-shadow: 0 0 12px rgba(255, 0, 220, 0.5);
  pointer-events: none;
}
.side-panel.right .side-label { text-shadow: 0 0 12px rgba(255, 230, 40, 0.45); }

.side-scroll {
  position: absolute;
  inset: 8% 18%;
  overflow: hidden;
  pointer-events: none;
}
.side-pill {
  position: absolute;
  left: 10%;
  right: 10%;
  height: 22px;
  border: 2px solid var(--mag);
  border-radius: 11px;
  opacity: 0.7;
}
.side-pill.filled { background: rgba(60, 0, 50, 0.8); }
.side-circle {
  position: absolute;
  width: 28px;
  height: 28px;
  left: 50%;
  margin-left: -14px;
  border: 2px solid var(--yel);
  border-radius: 50%;
  opacity: 0.75;
}

.playfield {
  position: relative;
  min-height: 0;
  display: flex;
  justify-content: center;
}

.lanes {
  padding-top: 1.85rem;
  position: relative;
  width: min(100%, 520px);
  height: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: clamp(10px, 2.5vw, 28px);
}

.lane {
  position: relative;
  border-radius: 16px;
  border: 2px solid;
  background: rgba(6, 8, 18, 0.85);
  min-height: 0;
}
.lane-a { border-color: var(--mag); box-shadow: 0 0 10px rgba(255, 0, 220, 0.2); }
.lane-sync { border-color: var(--cya); box-shadow: 0 0 10px rgba(0, 245, 255, 0.2); }
.lane-b { border-color: var(--yel); box-shadow: 0 0 10px rgba(255, 230, 40, 0.2); }

.lane-label {
  position: absolute;
  top: -1.35rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  z-index: 5;
}
.lane-a .lane-label { color: var(--mag); }
.lane-sync .lane-label { color: var(--cya); padding-bottom: 0.4rem; transform: translateY(-2px); }
.lane-b .lane-label { color: var(--yel); }

.lane-track { position: absolute; inset: 0; }

.hit-flash {
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: calc(100% - var(--hit-y) - 8%);
  height: 16%;
  border-radius: 10px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.08s;
}
.lane-a .hit-flash { background: radial-gradient(ellipse, rgba(255,0,220,0.55), transparent 70%); }
.lane-sync .hit-flash { background: radial-gradient(ellipse, rgba(0,245,255,0.55), transparent 70%); }
.lane-b .hit-flash { background: radial-gradient(ellipse, rgba(255,230,40,0.55), transparent 70%); }
.lane.flash .hit-flash { opacity: 1; }

.notes-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  overflow: hidden;
}

.note {
  position: absolute;
  transform: translate(-50%, -50%);
  will-change: top, opacity;
  z-index: 3;
}
.note.circle {
  width: 58%;
  max-width: 72px;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 3px solid;
  background: rgba(0, 0, 0, 0.35);
  box-shadow: 0 0 12px currentColor;
}
.note.pill {
  width: 70%;
  max-width: 90px;
  height: 28px;
  border-radius: 14px;
  border: 3px solid;
  background: rgba(40, 0, 35, 0.7);
  box-shadow: 0 0 10px currentColor;
}
.note.hold {
  width: 42%;
  max-width: 48px;
  border-radius: 24px;
  border: 3px solid;
  background: linear-gradient(to top, rgba(0,0,0,0.2), rgba(255,255,255,0.08));
  box-shadow: 0 0 14px currentColor;
  transform: translate(-50%, 0);
}
.note.hold::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 130%;
  aspect-ratio: 1;
  transform: translateX(-50%);
  border-radius: 50%;
  border: 3px solid currentColor;
  background: rgba(0,0,0,0.4);
  box-shadow: 0 0 10px currentColor;
}
.note.lane-0 { color: var(--mag); border-color: var(--mag); }
.note.lane-1 { color: var(--cya); border-color: var(--cya); }
.note.lane-2 { color: var(--yel); border-color: var(--yel); }
.note.hit { opacity: 0; transition: opacity 0.08s; }
.note.missed { opacity: 0.25; filter: grayscale(0.6); }

/* Lyric strip ABOVE hit bar, drawn on top so borders don't cut text */
.lyric-strip {
  position: absolute;
  left: 2%;
  right: 2%;
  bottom: calc(100% - var(--hit-y) + 4.5%);
  z-index: 8;
  border: 2px solid var(--cya);
  border-radius: 12px;
  padding: 0.45rem 0.75rem;
  min-height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: clamp(0.7rem, 1.8vw, 0.95rem);
  letter-spacing: 0.02em;
  color: var(--txt);
  background: rgba(6, 14, 28, 0.92);
  box-shadow: 0 0 14px rgba(0, 245, 255, 0.3);
  pointer-events: none;
  line-height: 1.3;
}

.hit-bar {
  position: absolute;
  left: 0;
  right: 0;
  top: var(--hit-y);
  height: 12px;
  margin-top: -6px;
  border: 2px solid var(--cya);
  border-radius: 8px;
  background: rgba(80, 0, 100, 0.85);
  z-index: 4;
  box-shadow: 0 0 12px rgba(0, 245, 255, 0.35);
}
.hit-marker {
  position: absolute;
  left: 50%;
  top: -14px;
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 14px solid var(--cya);
  transform: translateX(-50%);
  filter: drop-shadow(0 0 4px var(--cya));
}

.judge {
  position: absolute;
  left: 0;
  right: 0;
  /* Below hit bar + lyric strip so judgments never cover lyrics */
  top: calc(var(--hit-y) + 4.5%);
  text-align: center;
  font-size: clamp(0.9rem, 2.5vw, 1.25rem);
  font-weight: 800;
  letter-spacing: 0.14em;
  z-index: 9;
  pointer-events: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.12s, transform 0.12s;
  text-shadow: 0 0 12px currentColor;
}
.judge.show { opacity: 1; transform: translateY(0); }
.judge.perfect { color: var(--cya); }
.judge.great { color: var(--yel); }
.judge.good { color: var(--mag); }
.judge.miss { color: #889; }

.chain-box {
  position: absolute;
  left: -0.25rem;
  bottom: calc(100% - var(--hit-y) - 2%);
  z-index: 6;
  border: 1px solid var(--mag);
  border-radius: 8px;
  padding: 0.25rem 0.45rem;
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  color: var(--mag);
  background: rgba(20, 0, 24, 0.85);
  text-align: center;
  line-height: 1.3;
}
.chain-box span { font-size: 0.85rem; font-weight: 700; color: var(--txt); }

.fever-bar {
  position: absolute;
  left: 8%;
  right: 8%;
  top: calc(var(--hit-y) + 9.5%);
  height: 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  z-index: 5;
}
.fever-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--mag), var(--cya), var(--yel));
  box-shadow: 0 0 8px var(--cya);
  transition: width 0.15s linear;
}

/* ---- bottom ---- */
.bottom-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "prev score next"
    ". transport ."
    "health health health"
    "nos nos nos"
    "foot foot foot";
  align-items: center;
  gap: 0.35rem 0.5rem;
  padding: 0.35rem 0.25rem 0.15rem;
}

.corner-btn {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  border: 3px solid;
  background: transparent;
  color: var(--cya);
  font-size: 1.5rem;
  font-family: inherit;
  cursor: pointer;
  line-height: 1;
}
.corner-btn.mag { border-color: var(--mag); grid-area: prev; box-shadow: 0 0 10px rgba(255,0,220,0.3); }
.corner-btn.yel { border-color: var(--yel); grid-area: next; box-shadow: 0 0 10px rgba(255,230,40,0.3); }

.score-row {
  grid-area: score;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  position: relative;
}

.stat-box {
  border: 2px solid;
  border-radius: 10px;
  padding: 0.35rem 1rem;
  min-width: 110px;
  text-align: center;
  background: rgba(8, 10, 20, 0.9);
}
.stat-box.neon-yel { border-color: var(--yel); box-shadow: 0 0 10px rgba(255,230,40,0.25); }
.stat-box.neon-cya { border-color: var(--cya); box-shadow: 0 0 10px rgba(0,245,255,0.25); }
.stat-label {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: rgba(245,245,250,0.55);
  margin-bottom: 0.1rem;
}
.stat-val { font-size: 1.15rem; font-weight: 800; }

.fever-tag {
  position: absolute;
  top: -1.1rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--yel);
  letter-spacing: 0.1em;
  text-shadow: 0 0 8px var(--yel);
}

.transport {
  grid-area: transport;
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}
.nav-btn {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 2px solid var(--cya);
  background: transparent;
  color: var(--cya);
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
}
.nav-btn.play {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  font-size: 0.85rem;
}

.health-row {
  grid-area: health;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 0.5rem;
}
.health-label { font-size: 0.55rem; letter-spacing: 0.1em; color: var(--mag); }
.health-bar {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
  border: 1px solid rgba(255,0,220,0.35);
}
.health-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--mag), #ff66e8);
  transition: width 0.2s;
}

.footer-tags {
  grid-area: foot;
  display: flex;
  justify-content: space-between;
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  color: var(--cya);
  padding: 0 0.25rem;
}
.footer-tags .mag { color: var(--mag); }

/* ---- mobile pads ---- */
.pad-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  padding: 0.4rem 0.25rem 0.55rem;
}
.pad {
  appearance: none;
  border: 3px solid;
  border-radius: 16px;
  min-height: 64px;
  font-family: inherit;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: var(--txt);
  background: rgba(10, 12, 24, 0.9);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}
.pad span { font-size: 0.65rem; opacity: 0.55; font-weight: 600; letter-spacing: 0.05em; }
.pad-a { border-color: var(--mag); box-shadow: 0 0 12px rgba(255,0,220,0.25); }
.pad-sync { border-color: var(--cya); box-shadow: 0 0 12px rgba(0,245,255,0.25); }
.pad-b { border-color: var(--yel); box-shadow: 0 0 12px rgba(255,230,40,0.25); }
.pad:active, .pad.pressed {
  transform: scale(0.96);
  background: rgba(255,255,255,0.08);
}
.pad-a.pressed { background: rgba(255,0,220,0.25); }
.pad-sync.pressed { background: rgba(0,245,255,0.2); }
.pad-b.pressed { background: rgba(255,230,40,0.2); }

/* ---- responsive ---- */
@media (max-width: 720px) {
  #game {
    margin: 0;
    border-radius: 0;
    border-left: none;
    border-right: none;
    height: 100dvh;
    max-height: 100dvh;
  }
  .playfield-wrap { grid-template-columns: 1fr; }
  .side-panel { display: none; }
  .meta-left, .meta-right { display: none; }
  .top-bar {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "pill timer"
      "title title";
  }
  .header-pill { grid-area: pill; justify-self: start; font-size: 0.55rem; }
  .timer-box { grid-area: timer; }
  .title-box { grid-area: title; width: 100%; padding: 0.45rem 0.75rem; }
  .corner-btn { width: 40px; height: 40px; font-size: 1.2rem; }
  .stat-box { min-width: 90px; padding: 0.3rem 0.6rem; }
  .stat-val { font-size: 1rem; }
  .pad { min-height: 72px; }
  .chain-box { display: none; }
}

@media (min-width: 900px) {
  .pad span { display: inline; }
}

@media (min-aspect-ratio: 16/10) and (min-width: 900px) {
  #game {
    aspect-ratio: 16 / 9;
    height: auto;
    max-height: 96dvh;
    width: min(96vw, calc(96dvh * 16 / 9));
  }
}

.level-label { margin-top: 0.4rem; color: #FFE628; font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; }
#next-level-btn {
  display: block; width: 100%; margin: 0.75rem 0 0.5rem;
  padding: 0.85rem 1rem; border: 2px solid #FF00DC; border-radius: 12px;
  background: rgba(255,0,220,0.15); color: #F5F5FA; font: inherit; font-weight: 700;
  letter-spacing: 0.08em; cursor: pointer;
  box-shadow: 0 0 18px rgba(255,0,220,0.35);
}
#next-level-btn.hidden { display: none; }
#next-level-btn:hover { background: rgba(255,0,220,0.28); }

/* ---- level confirm ---- */
.confirm-card { max-width: 420px; }
.confirm-kicker {
  color: var(--cya);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  margin: 0 0 0.75rem;
  text-transform: uppercase;
}
.confirm-blurb {
  color: rgba(245, 245, 250, 0.78);
  font-size: 0.9rem;
  line-height: 1.45;
  margin: 0 0 1.35rem;
}
.confirm-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  width: 100%;
}
.confirm-actions button { width: 100%; }
.confirm-no {
  background: transparent !important;
  border: 1px solid rgba(245, 245, 250, 0.35) !important;
  color: var(--txt) !important;
  box-shadow: none !important;
}
.confirm-no:hover {
  border-color: var(--mag) !important;
  color: var(--mag) !important;
}


/* ---- NOS / critical health boost ---- */
.nos-pill {
  font-size: 0.55rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: #04040C;
  background: linear-gradient(90deg, var(--yel), var(--cya));
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  animation: nosPulse 0.7s ease-in-out infinite alternate;
}
.nos-pill.hidden { display: none; }
.health-row.nos-critical .health-bar {
  border-color: var(--yel);
  box-shadow: 0 0 10px rgba(255, 230, 40, 0.45);
}
.health-row.nos-critical .health-fill {
  background: linear-gradient(90deg, var(--yel), var(--cya), var(--mag));
}
.nos-banner {
  grid-area: nos;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  margin-top: 0.15rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--yel);
  border-radius: 8px;
  background: rgba(8, 6, 0, 0.88);
  box-shadow: 0 0 16px rgba(255, 230, 40, 0.35);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--txt);
  z-index: 12;
}
.nos-banner.hidden { display: none; }
.nos-banner .nos-tag {
  font-weight: 800;
  color: #04040C;
  background: var(--yel);
  padding: 0.12rem 0.4rem;
  border-radius: 3px;
  letter-spacing: 0.12em;
}
#nos-hint { color: var(--cya); font-weight: 700; }
@keyframes nosPulse {
  from { filter: brightness(1); }
  to { filter: brightness(1.25); }
}

/* ---- secondary overlay buttons ---- */
.btn-secondary {
  appearance: none;
  border: 2px solid var(--cya) !important;
  background: rgba(0, 245, 255, 0.08) !important;
  color: var(--txt) !important;
  font-family: inherit;
  font-size: 0.9rem !important;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 0.75rem 1.5rem !important;
  border-radius: 12px;
  cursor: pointer;
  width: 100%;
  margin-top: 0.55rem;
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
  box-shadow: 0 0 12px rgba(0, 245, 255, 0.2) !important;
}
.btn-secondary:hover { background: rgba(0, 245, 255, 0.2) !important; }
.btn-secondary:active { transform: scale(0.98); }

/* ---- start best ---- */
.level-best {
  margin: 0.35rem 0 0.6rem;
  color: var(--cya);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.level-best.hidden { display: none; }

/* ---- pause overlay ---- */
#pause-overlay { z-index: 52; }
#pause-overlay .overlay-card h1 {
  color: var(--yel);
  margin-bottom: 1.25rem;
  letter-spacing: 0.2em;
}
#pause-overlay .overlay-card button + button { margin-top: 0.55rem; }

/* ---- results rank ---- */
.res-rank-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  margin: 0.5rem 0 0.35rem;
}
.res-rank {
  font-size: clamp(3rem, 12vw, 4.5rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--yel);
  text-shadow: 0 0 24px rgba(255, 230, 40, 0.55), 0 0 48px rgba(255, 0, 220, 0.25);
}
.res-rank.rank-ss,
.res-rank.rank-s { color: var(--cya); text-shadow: 0 0 28px rgba(0, 245, 255, 0.65); }
.res-rank.rank-a { color: var(--yel); }
.res-rank.rank-b { color: var(--mag); }
.res-rank.rank-c,
.res-rank.rank-d { color: rgba(245, 245, 250, 0.7); text-shadow: none; }
.res-acc {
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  color: var(--cya);
  font-weight: 700;
}
.res-best {
  margin: 0.35rem 0 0;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: rgba(245, 245, 250, 0.55);
}
.res-new-best {
  margin: 0.25rem 0 0;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--yel);
  text-shadow: 0 0 12px rgba(255, 230, 40, 0.5);
  animation: nosPulse 0.8s ease-in-out infinite alternate;
}
.res-new-best.hidden { display: none; }

/* ---- levels select ---- */
#levels-overlay { z-index: 55; }
.levels-card {
  max-width: 560px;
  max-height: min(92dvh, 720px);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1.25rem 1.25rem;
}
.levels-card h1 {
  margin: 0 0 1rem;
  letter-spacing: 0.2em;
  color: var(--cya);
  flex-shrink: 0;
}
.levels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.65rem;
  overflow-y: auto;
  max-height: min(58dvh, 420px);
  padding: 0.15rem 0.25rem 0.5rem;
  margin-bottom: 0.85rem;
  scrollbar-width: thin;
  scrollbar-color: var(--cya) transparent;
  flex: 1;
  min-height: 0;
}
.level-tile {
  appearance: none;
  border: 2px solid rgba(0, 245, 255, 0.45);
  border-radius: 12px;
  background: rgba(6, 14, 28, 0.95);
  color: var(--txt);
  font-family: inherit;
  text-align: left;
  padding: 0.7rem 0.75rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s, transform 0.1s;
  box-shadow: 0 0 10px rgba(0, 245, 255, 0.12);
  min-height: 78px;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.level-tile:hover {
  border-color: var(--mag);
  background: rgba(255, 0, 220, 0.1);
  box-shadow: 0 0 14px rgba(255, 0, 220, 0.3);
}
.level-tile:active { transform: scale(0.97); }
.level-tile.current {
  border-color: var(--yel);
  box-shadow: 0 0 14px rgba(255, 230, 40, 0.35);
}
.level-tile .lt-num {
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--cya);
  font-weight: 700;
}
.level-tile .lt-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.25;
  color: var(--txt);
}
.level-tile .lt-best {
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  color: rgba(245, 245, 250, 0.45);
  margin-top: auto;
}
.level-tile .lt-best.has-best { color: var(--yel); }

/* ---- hit spark ---- */
.hit-flash.spark {
  opacity: 1;
  animation: hitSpark 0.28s ease-out;
}
@keyframes hitSpark {
  0% { transform: scale(0.6); opacity: 1; filter: brightness(1.6); }
  60% { transform: scale(1.35); opacity: 0.85; filter: brightness(1.3); }
  100% { transform: scale(1); opacity: 0; filter: brightness(1); }
}

/* ---- Google auth / sync ---- */
.btn-google {
  border-color: var(--yel) !important;
  background: rgba(255, 230, 0, 0.1) !important;
  box-shadow: 0 0 14px rgba(255, 230, 0, 0.25) !important;
  text-transform: uppercase;
}
.btn-google:hover { background: rgba(255, 230, 0, 0.22) !important; }
.btn-google.hidden { display: none !important; }

.auth-chip {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
}
.auth-chip.hidden { display: none; }
.auth-chip-name {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--cya);
  text-align: center;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.btn-edit-name {
  /* sized via .start-action-btn */
  border-color: var(--mag) !important;
  background: rgba(255, 0, 220, 0.12) !important;
  color: var(--txt) !important;
  box-shadow: 0 0 16px rgba(255, 0, 220, 0.35) !important;
}
.btn-edit-name:hover { background: rgba(255, 0, 220, 0.28) !important; }
.auth-chip-points {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.15rem 0.25rem;
  border: none;
}
.auth-chip-points .dim {
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  color: rgba(245, 245, 250, 0.5);
}
.auth-chip-points strong,
#auth-points-val {
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--yel);
  font-variant-numeric: tabular-nums;
}

.auth-name-edit {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.4rem;
  width: 100%;
}
.auth-name-edit.hidden { display: none !important; }
.auth-name-edit input {
  flex: 1 1 8rem;
  min-width: 0;
  appearance: none;
  border: 1px solid rgba(0, 245, 255, 0.5);
  background: rgba(4, 4, 12, 0.85);
  color: var(--txt);
  font-family: inherit;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  outline: none;
}
.auth-name-edit input:focus {
  border-color: var(--cya);
  box-shadow: 0 0 8px rgba(0, 245, 255, 0.35);
}
.auth-name-edit button {
  appearance: none;
  font-family: inherit;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 0.65rem;
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
}
#btn-save-name {
  border: 1px solid var(--cya);
  background: rgba(0, 245, 255, 0.15);
  color: var(--cya);
}
#btn-save-name:hover { background: rgba(0, 245, 255, 0.28); }
#btn-cancel-name {
  border: 1px solid rgba(245, 245, 250, 0.35);
  background: transparent;
  color: rgba(245, 245, 250, 0.7);
}
#btn-cancel-name:hover { border-color: var(--mag); color: var(--mag); }
.btn-signout {
  appearance: none;
  border: 1px solid var(--mag) !important;
  background: rgba(255, 0, 220, 0.12) !important;
  color: var(--txt) !important;
  font-family: inherit;
  font-size: 0.65rem !important;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.65rem !important;
  border-radius: 8px;
  cursor: pointer;
  width: 100% !important;
  margin-top: 0.1rem !important;
  text-transform: uppercase;
  box-shadow: none !important;
  flex-shrink: 0;
}
.btn-signout:hover { background: rgba(255, 0, 220, 0.28) !important; }

.levels-header-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  margin: 0.15rem 0 0.85rem;
}
.levels-header-meta .sync-status {
  margin: 0;
}
.levels-points {
  margin: 0;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245, 245, 250, 0.55);
}
.levels-points.hidden { display: none !important; }
.levels-points strong,
#levels-points-val {
  color: var(--yel);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
}

.sync-status {
  margin: 0.15rem 0 0.85rem;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245, 245, 250, 0.55);
}
.sync-status.synced { color: var(--cya); }
.sync-status.error { color: var(--mag); }


.auth-signin-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  margin: 0.75rem 0 0.25rem;
}
.auth-signin-row.hidden { display: none; }
.btn-x {
  appearance: none;
  width: 100%;
  border: 2px solid var(--txt);
  background: rgba(245, 245, 250, 0.06);
  color: var(--txt);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 0 12px rgba(245, 245, 250, 0.12);
}
.btn-x:hover { background: rgba(245, 245, 250, 0.12); }
.btn-x:disabled { opacity: 0.55; cursor: wait; }

.auth-error {
  margin-top: 0.5rem;
  color: #ff6b8a;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  min-height: 1.1em;
  line-height: 1.35;
}
.auth-error.hidden { display: none; }


/* ---- start layout + equal action buttons + public rank ---- */
#start-overlay.start-overlay-wide,
#start-overlay {
  align-items: center;
  justify-content: center;
}
.start-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 1.35rem 2rem;
  width: min(980px, 100%);
  max-height: 100%;
  overflow: auto;
  padding: 0.5rem;
}
#start-overlay .start-main.borderless {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: min(70dvh, 560px);
}
.start-actions {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  width: 100%;
  margin-top: 0.35rem;
}
#start-overlay .start-action-btn,
#start-overlay .auth-signin-row .start-action-btn,
#start-overlay .auth-chip .start-action-btn {
  appearance: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 3.15rem;
  height: 3.15rem;
  box-sizing: border-box;
  margin: 0 !important;
  padding: 0 1.25rem !important;
  border-radius: 12px;
  border-width: 2px;
  border-style: solid;
  font-family: inherit;
  font-size: 0.92rem !important;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
}
#start-overlay #start-btn.start-action-btn {
  border-color: var(--mag);
  background: rgba(255, 0, 220, 0.12);
  box-shadow: 0 0 16px rgba(255, 0, 220, 0.35);
}
#start-overlay .btn-secondary.start-action-btn {
  border-color: var(--cya) !important;
  background: rgba(0, 245, 255, 0.1) !important;
  box-shadow: 0 0 14px rgba(0, 245, 255, 0.25) !important;
  color: var(--txt) !important;
}
#start-overlay .btn-x.start-action-btn {
  border-color: var(--mag) !important;
  background: rgba(255, 0, 220, 0.1) !important;
  box-shadow: 0 0 14px rgba(255, 0, 220, 0.28) !important;
  color: var(--txt) !important;
}
#start-overlay .btn-signout.start-action-btn {
  border-color: var(--mag) !important;
  background: rgba(255, 0, 220, 0.1) !important;
  box-shadow: 0 0 14px rgba(255, 0, 220, 0.28) !important;
  color: var(--txt) !important;
  font-size: 0.92rem !important;
  padding: 0 1.25rem !important;
  letter-spacing: 0.14em;
}
.auth-signin-row {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  width: 100%;
  margin: 0;
}
.auth-signin-row.hidden { display: none; }

.public-rank-card {
  width: min(340px, 100%);
  flex: 1 1 320px;
  min-height: min(70dvh, 560px);
  max-height: min(84dvh, 720px);
  display: flex;
  flex-direction: column;
  border: 2px solid var(--cya);
  border-radius: 18px;
  padding: 1.15rem 1.05rem 1.05rem;
  background: rgba(8, 16, 28, 0.92);
  box-shadow: 0 0 22px rgba(0, 245, 255, 0.22);
  text-align: left;
  align-self: stretch;
}
.public-rank-kicker {
  display: block;
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  color: var(--mag);
  margin-bottom: 0.25rem;
}
.public-rank-card h2 {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  letter-spacing: 0.14em;
  color: var(--cya);
}
.public-rank-cols {
  display: grid;
  grid-template-columns: 1.6rem 1fr auto;
  gap: 0.45rem;
  padding: 0.35rem 0.55rem;
  margin-bottom: 0.45rem;
  border-radius: 999px;
  background: rgba(0, 245, 255, 0.08);
  border: 1px solid rgba(0, 245, 255, 0.22);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245, 245, 250, 0.55);
}
.public-rank-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
}
.public-rank-list li {
  display: grid;
  grid-template-columns: 1.6rem 1fr auto;
  gap: 0.45rem;
  align-items: baseline;
  padding: 0.4rem 0.45rem;
  border-radius: 8px;
  background: rgba(0, 245, 255, 0.05);
  border: 1px solid rgba(0, 245, 255, 0.18);
  font-size: 0.72rem;
}
.public-rank-list .rank-pos {
  color: var(--yel);
  font-weight: 800;
  letter-spacing: 0.04em;
}
.public-rank-list .rank-name {
  color: var(--txt);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.public-rank-list .rank-pts {
  color: var(--cya);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}
.public-rank-empty {
  display: block !important;
  grid-template-columns: 1fr !important;
  color: rgba(245, 245, 250, 0.5);
  text-align: center;
  border-style: dashed !important;
}
@media (max-width: 720px) {
  .start-layout { flex-direction: column; align-items: center; }
  .public-rank-card { width: min(100%, 420px); flex-basis: auto; min-height: 280px; }
}

/* ---- player upgrade overlay ---- */
#upgrade-overlay { z-index: 56; overflow: auto; -webkit-overflow-scrolling: touch; }
.upgrade-card {
  max-width: min(560px, 96vw);
  max-height: min(94dvh, 780px);
  width: 100%;
  display: flex;
  flex-direction: column;
  padding: 1.35rem 1.15rem 1.15rem;
  overflow: auto;
}
.upgrade-card h1 {
  margin: 0 0 0.85rem;
  letter-spacing: 0.18em;
  color: var(--mag);
  text-shadow: 0 0 18px rgba(255, 0, 220, 0.45);
  font-size: clamp(1.1rem, 4.5vw, 1.45rem);
  flex-shrink: 0;
}
.upgrade-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
  margin-bottom: 0.75rem;
  flex-shrink: 0;
}
.upgrade-tab {
  appearance: none;
  border: 2px solid rgba(0, 245, 255, 0.35) !important;
  background: rgba(0, 245, 255, 0.06) !important;
  color: rgba(245, 245, 250, 0.7) !important;
  font-family: inherit;
  font-size: 0.68rem !important;
  font-weight: 800;
  letter-spacing: 0.12em;
  padding: 0.55rem 0.35rem !important;
  border-radius: 10px;
  cursor: pointer;
  width: 100%;
  margin: 0 !important;
  box-shadow: none !important;
  transition: background 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
}
.upgrade-tab:hover {
  background: rgba(0, 245, 255, 0.14) !important;
  color: var(--txt) !important;
}
.upgrade-tab.active {
  border-color: var(--mag) !important;
  background: rgba(255, 0, 220, 0.16) !important;
  color: var(--txt) !important;
  box-shadow: 0 0 14px rgba(255, 0, 220, 0.35) !important;
}
.upgrade-points {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.55rem;
  margin: 0 0 0.9rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: rgba(245, 245, 250, 0.55);
  flex-shrink: 0;
}
.upgrade-points strong {
  color: var(--yel);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-shadow: 0 0 10px rgba(255, 230, 40, 0.45);
  font-variant-numeric: tabular-nums;
}
.upgrade-panel { flex: 1 1 auto; min-height: 0; }
.upgrade-panel.hidden { display: none !important; }

.upgrade-buy {
  appearance: none;
  border: 2px solid var(--mag) !important;
  background: rgba(255, 0, 220, 0.14) !important;
  color: var(--txt) !important;
  font-family: inherit;
  font-size: 0.78rem !important;
  font-weight: 800;
  letter-spacing: 0.14em;
  padding: 0.55rem 0.9rem !important;
  border-radius: 10px;
  cursor: pointer;
  margin: 0 !important;
  width: auto;
  box-shadow: 0 0 12px rgba(255, 0, 220, 0.3) !important;
  transition: background 0.15s, opacity 0.15s, transform 0.1s;
}
.upgrade-buy:hover:not(:disabled) { background: rgba(255, 0, 220, 0.28) !important; }
.upgrade-buy:active:not(:disabled) { transform: scale(0.98); }
.upgrade-buy:disabled,
.upgrade-buy.disabled {
  opacity: 0.38;
  cursor: not-allowed;
  box-shadow: none !important;
}

/* Layout A — horizontal skill tree */
.upgrade-tree {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  margin: 0.4rem 0 1rem;
  padding: 0.35rem 0.15rem;
}
.upgrade-tree-line {
  position: absolute;
  left: 16%;
  right: 16%;
  top: 42%;
  height: 2px;
  background: linear-gradient(90deg, var(--mag), var(--cya), var(--yel));
  box-shadow: 0 0 10px rgba(0, 245, 255, 0.45);
  pointer-events: none;
  z-index: 0;
}
.upgrade-node {
  position: relative;
  z-index: 1;
  appearance: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.85rem 0.4rem;
  border-radius: 14px;
  border: 2px solid rgba(245, 245, 250, 0.25);
  background: rgba(4, 4, 12, 0.85);
  color: var(--txt);
  font-family: inherit;
  cursor: pointer;
  margin: 0 !important;
  width: 100%;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.4);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
}
.upgrade-node .upgrade-node-name {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.upgrade-node .upgrade-node-lv {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: rgba(245, 245, 250, 0.55);
}
.upgrade-node.track-focus { border-color: var(--mag); box-shadow: 0 0 14px rgba(255, 0, 220, 0.28); }
.upgrade-node.track-power { border-color: var(--cya); box-shadow: 0 0 14px rgba(0, 245, 255, 0.28); }
.upgrade-node.track-flow { border-color: var(--yel); box-shadow: 0 0 14px rgba(255, 230, 40, 0.28); }
.upgrade-node[aria-pressed="true"] {
  transform: translateY(-2px);
  background: rgba(255, 0, 220, 0.12);
}
.upgrade-node.track-power[aria-pressed="true"] { background: rgba(0, 245, 255, 0.12); }
.upgrade-node.track-flow[aria-pressed="true"] { background: rgba(255, 230, 40, 0.1); }
.upgrade-detail {
  border: 1px solid rgba(0, 245, 255, 0.28);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  background: rgba(0, 245, 255, 0.05);
  text-align: center;
}
.upgrade-detail-name {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--mag);
  margin-bottom: 0.25rem;
}
.upgrade-detail-name.power { color: var(--cya); }
.upgrade-detail-name.flow { color: var(--yel); }
.upgrade-detail-blurb {
  font-size: 0.75rem;
  color: rgba(245, 245, 250, 0.65);
  margin-bottom: 0.55rem;
}
.upgrade-detail-cost {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(245, 245, 250, 0.5);
  margin-bottom: 0.7rem;
}
.upgrade-detail-cost strong { color: var(--yel); }
.upgrade-detail .upgrade-buy { width: 100%; }

/* Layout B — split shop */
.upgrade-shop {
  display: grid;
  grid-template-columns: minmax(110px, 0.9fr) 1.4fr;
  gap: 0.75rem;
  align-items: stretch;
}
.upgrade-shop-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 0.55rem;
  border: 2px solid rgba(255, 230, 40, 0.35);
  border-radius: 14px;
  background:
    radial-gradient(circle at 50% 35%, rgba(255, 230, 40, 0.12), transparent 55%),
    rgba(4, 4, 12, 0.7);
}
.upgrade-star {
  width: 64px;
  height: 64px;
  position: relative;
  display: grid;
  place-items: center;
}
.upgrade-star::before,
.upgrade-star::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 2px solid var(--yel);
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(255, 230, 40, 0.45);
}
.upgrade-star::after { inset: 18px; border-color: var(--cya); transform: rotate(20deg); }
.upgrade-star-core {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--mag);
  box-shadow: 0 0 14px var(--mag), 0 0 28px rgba(255, 0, 220, 0.5);
  z-index: 1;
}
.upgrade-ready {
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 0.22em;
  color: var(--yel);
  text-shadow: 0 0 12px rgba(255, 230, 40, 0.5);
}
.upgrade-pills {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  width: 100%;
}
.upgrade-pill {
  display: block;
  text-align: center;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.4rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-weight: 700;
}
.upgrade-pill.cya { color: var(--cya); background: rgba(0, 245, 255, 0.08); }
.upgrade-pill.yel { color: var(--yel); background: rgba(255, 230, 40, 0.08); }
.upgrade-pill strong { font-variant-numeric: tabular-nums; }
.upgrade-shop-rows {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.upgrade-shop-row {
  display: grid;
  grid-template-columns: 1.6rem 1fr auto auto;
  gap: 0.45rem;
  align-items: center;
  padding: 0.55rem 0.55rem;
  border-radius: 10px;
  border: 1px solid rgba(0, 245, 255, 0.25);
  background: rgba(0, 245, 255, 0.04);
}
.upgrade-shop-row.track-focus { border-color: rgba(255, 0, 220, 0.4); }
.upgrade-shop-row.track-power { border-color: rgba(0, 245, 255, 0.45); }
.upgrade-shop-row.track-flow { border-color: rgba(255, 230, 40, 0.4); }
.upgrade-shop-icon {
  font-size: 0.95rem;
  text-align: center;
  color: var(--cya);
  text-shadow: 0 0 8px rgba(0, 245, 255, 0.5);
}
.upgrade-shop-row.track-focus .upgrade-shop-icon { color: var(--mag); }
.upgrade-shop-row.track-flow .upgrade-shop-icon { color: var(--yel); }
.upgrade-shop-meta {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}
.upgrade-shop-meta strong {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.upgrade-shop-meta span {
  font-size: 0.58rem;
  color: rgba(245, 245, 250, 0.5);
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.upgrade-shop-cost {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--yel);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}
.upgrade-shop-row .upgrade-buy {
  padding: 0.4rem 0.55rem !important;
  font-size: 0.62rem !important;
  min-width: 3.2rem;
}

/* Layout C — radar */
.upgrade-radar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.upgrade-radar {
  width: min(260px, 78vw);
  height: auto;
  overflow: visible;
}
.upgrade-radar-guide {
  stroke: rgba(0, 245, 255, 0.35);
  stroke-width: 1.5;
}
.upgrade-radar-fill {
  fill: rgba(255, 0, 220, 0.28);
  stroke: var(--mag);
  stroke-width: 2;
  filter: drop-shadow(0 0 8px rgba(255, 0, 220, 0.55));
  transition: points 0.25s ease;
}
.upgrade-radar-dot.track-focus { fill: var(--mag); }
.upgrade-radar-dot.track-power { fill: var(--cya); }
.upgrade-radar-dot.track-flow { fill: var(--yel); }
.upgrade-radar-label {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.12em;
  fill: var(--txt);
}
.upgrade-radar-label.focus { fill: var(--mag); }
.upgrade-radar-label.power { fill: var(--cya); }
.upgrade-radar-label.flow { fill: var(--yel); }
.upgrade-radar-buys {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  width: 100%;
}
.upgrade-radar-buys .upgrade-buy {
  width: 100%;
  font-size: 0.7rem !important;
}
.upgrade-radar-buys .upgrade-buy.track-focus {
  border-color: var(--mag) !important;
  background: rgba(255, 0, 220, 0.12) !important;
}
.upgrade-radar-buys .upgrade-buy.track-power {
  border-color: var(--cya) !important;
  background: rgba(0, 245, 255, 0.12) !important;
  box-shadow: 0 0 12px rgba(0, 245, 255, 0.28) !important;
}
.upgrade-radar-buys .upgrade-buy.track-flow {
  border-color: var(--yel) !important;
  background: rgba(255, 230, 40, 0.1) !important;
  box-shadow: 0 0 12px rgba(255, 230, 40, 0.28) !important;
  color: var(--txt) !important;
}

#upgrade-overlay .btn-secondary { margin-top: 1rem; flex-shrink: 0; }

@media (max-width: 520px) {
  .upgrade-shop {
    grid-template-columns: 1fr;
  }
  .upgrade-shop-hero {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem;
  }
  .upgrade-pills {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    width: auto;
  }
  .upgrade-shop-row {
    grid-template-columns: 1.4rem 1fr auto;
    grid-template-rows: auto auto;
  }
  .upgrade-shop-row .upgrade-buy {
    grid-column: 1 / -1;
    width: 100%;
  }
}