/* ===========================================================================
   KAI BASKETBALL — UI
   =========================================================================== */
:root {
  --bg: #0b0d12;
  --ink: #f4f6fb;
  --muted: #9aa3b5;
  --orange: #ff7a29;
  --orange-deep: #e2551a;
  --green: #35e07f;
  --red: #ff4d54;
  --panel: rgba(12, 15, 22, 0.62);
  --stroke: rgba(255, 255, 255, 0.14);
  --hud-pad: clamp(12px, 2.2vw, 28px);
  --font: "Inter", "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-text-size-adjust: 100%;
}

#app { position: fixed; inset: 0; }

#scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.hidden { display: none !important; }

/* ------------------------------------------------------------------ HUD -- */
#hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  padding: var(--hud-pad);
  padding-top: max(var(--hud-pad), env(safe-area-inset-top));
  padding-bottom: max(var(--hud-pad), env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  user-select: none;
  -webkit-user-select: none;
}

.hud-top {
  display: flex;
  align-items: flex-start;
  gap: clamp(10px, 1.6vw, 22px);
}

.scorebox {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 14px;
  padding: 8px 18px 10px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  text-align: center;
  min-width: 108px;
}

.score-label {
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--muted);
  font-weight: 700;
}

.score-value {
  font-size: clamp(30px, 4.4vw, 46px);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #fff, var(--orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stats {
  display: flex;
  gap: 8px;
  padding-top: 6px;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 12px;
  padding: 8px 12px 6px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  text-align: center;
  min-width: 68px;
  font-variant-numeric: tabular-nums;
}

.stat span { font-size: 20px; font-weight: 700; }
.stat .slash { color: var(--muted); margin: 0 1px; font-weight: 500; }
.stat i { font-style: normal; font-size: 12px; color: var(--muted); }
.stat b {
  display: block;
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--muted);
  font-weight: 700;
  margin-top: 2px;
}

.zone {
  margin-left: auto;
  align-self: flex-start;
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.zone.three { color: var(--orange); border-color: rgba(255, 122, 41, 0.5); }

/* ------------------------------------------------------------- callout -- */
.callout {
  position: absolute;
  top: 26%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.85);
  font-size: clamp(30px, 6vw, 64px);
  font-weight: 900;
  letter-spacing: 0.04em;
  text-shadow: 0 6px 30px rgba(0, 0, 0, 0.7);
  opacity: 0;
  white-space: nowrap;
}
.callout.show { animation: pop 1.15s cubic-bezier(.16,1,.3,1) forwards; }
.callout.good { color: var(--green); }
.callout.miss { color: var(--red); }
.callout.hot { color: var(--orange); }

@keyframes pop {
  0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.7); }
  14%  { opacity: 1; transform: translate(-50%, -50%) scale(1.06); }
  26%  { transform: translate(-50%, -50%) scale(1); }
  78%  { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -62%) scale(0.98); }
}

/* ---------------------------------------------------------- shot meter -- */
.meter {
  position: absolute;
  right: clamp(16px, 5vw, 64px);
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  transition: opacity 0.16s ease;
  text-align: center;
}
.meter.active { opacity: 1; }

.meter-track {
  position: relative;
  width: 16px;
  height: clamp(150px, 26vh, 230px);
  border-radius: 999px;
  background: rgba(8, 10, 16, 0.72);
  border: 1px solid var(--stroke);
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.meter-green {
  position: absolute;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, rgba(53, 224, 127, 0.85), rgba(53, 224, 127, 0.35));
  box-shadow: 0 0 14px rgba(53, 224, 127, 0.6);
}

.meter-fill {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 0%;
  background: linear-gradient(180deg, #ffd9a8, var(--orange) 55%, var(--orange-deep));
}

.meter-marker {
  position: absolute;
  left: -5px;
  right: -5px;
  height: 2px;
  background: #fff;
  opacity: 0;
  box-shadow: 0 0 10px #fff;
}
.meter.released .meter-marker { opacity: 1; }
.meter.perfect .meter-track { box-shadow: 0 0 0 2px var(--green), 0 0 26px rgba(53, 224, 127, 0.7); }

.meter-label {
  margin-top: 8px;
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--muted);
  font-weight: 700;
}

/* ----------------------------------------------------------- bottom UI -- */
.hud-bottom {
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.keys {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 12px;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 12px;
  padding: 10px 14px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  max-width: min(680px, 72vw);
}
.keys span { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }

kbd {
  display: inline-block;
  min-width: 20px;
  padding: 2px 6px;
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom-width: 2px;
  border-radius: 6px;
  text-align: center;
}

.ghost-btn {
  pointer-events: auto;
  margin-left: auto;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--stroke);
  background: var(--panel);
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.ghost-btn:hover { color: var(--ink); border-color: rgba(255, 255, 255, 0.35); }

/* --------------------------------------------------------------- touch -- */
#touch { position: absolute; inset: 0; pointer-events: none; }

.stick {
  position: absolute;
  left: max(24px, env(safe-area-inset-left));
  bottom: max(28px, env(safe-area-inset-bottom));
  width: 130px;
  height: 130px;
  border-radius: 50%;
  border: 1px solid var(--stroke);
  background: rgba(10, 13, 20, 0.4);
  pointer-events: auto;
  touch-action: none;
}
.stick-knob {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 54px;
  height: 54px;
  margin: -27px 0 0 -27px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.touch-buttons {
  position: absolute;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(28px, env(safe-area-inset-bottom));
  display: grid;
  gap: 10px;
  justify-items: end;
}

.tbtn {
  pointer-events: auto;
  border: 1px solid var(--stroke);
  background: rgba(10, 13, 20, 0.55);
  color: var(--ink);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.08em;
  border-radius: 999px;
  padding: 12px 18px;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}
.tbtn.shoot {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  font-size: 15px;
  background: radial-gradient(circle at 35% 30%, #ff9b52, var(--orange-deep));
  border-color: rgba(255, 190, 140, 0.5);
}
.tbtn:active { transform: scale(0.95); }

/* ------------------------------------------------------------- loading -- */
#loader {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  overflow-y: auto;          /* 画面が低いときにモード選択が切れないように */
  background: radial-gradient(1200px 700px at 50% 30%, #18202f 0%, #0b0d12 62%);
  z-index: 10;
  transition: opacity 0.5s ease;
}
#loader.fade { opacity: 0; pointer-events: none; }

.loader-inner { text-align: center; padding: 24px; margin: auto; }

.ball-spin {
  font-size: 54px;
  animation: spin 1.7s linear infinite;
  filter: drop-shadow(0 10px 24px rgba(255, 122, 41, 0.35));
}
@keyframes spin { to { transform: rotate(360deg); } }

.loader-inner h1 {
  margin: 14px 0 20px;
  font-size: clamp(26px, 5vw, 42px);
  font-weight: 900;
  letter-spacing: 0.16em;
  background: linear-gradient(120deg, #fff 20%, var(--orange) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.bar {
  width: min(320px, 70vw);
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
  margin: 0 auto;
}
.bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--orange), #ffd9a8);
  transition: width 0.25s ease;
}

.loader-text { color: var(--muted); font-size: 13px; margin-top: 14px; min-height: 18px; }
.loader-hint { color: var(--muted); font-size: 12px; margin-top: 12px; }

.start-btn {
  margin-top: 22px;
  padding: 14px 46px;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.18em;
  color: #17120c;
  background: linear-gradient(180deg, #ffc48a, var(--orange));
  border: none;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 12px 34px rgba(255, 122, 41, 0.34);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.start-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(255, 122, 41, 0.45); }
.start-btn:active { transform: translateY(0); }

/* --------------------------------------------------------------- fatal -- */
#fatal {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: #0b0d12;
  z-index: 20;
  padding: 24px;
}
.fatal-inner { max-width: 640px; }
.fatal-inner h2 { color: var(--red); }
#fatalMsg {
  white-space: pre-wrap;
  color: var(--muted);
  font-size: 12px;
  background: rgba(255, 255, 255, 0.04);
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--stroke);
}

/* --------------------------------------------------------------- 狭い画面 -- */
@media (max-width: 720px) {
  .keys { display: none; }
  .stats .stat:nth-child(3) { display: none; }
  .meter { right: 12px; }
}

/* ===========================================================================
   チャレンジモード：タイマー・カウントダウン・モード選択・リザルト・ランキング
   =========================================================================== */

/* ------------------------------------------------- 進行中のタイマーと進捗 -- */
.challenge {
  position: absolute;
  top: max(var(--hud-pad), env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  pointer-events: none;
}

.clock {
  font-size: clamp(34px, 5.4vw, 58px);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  text-shadow: 0 4px 26px rgba(0, 0, 0, 0.75);
}
.clock.warn { color: var(--orange); }
.clock.danger { color: var(--red); animation: tick 1s steps(2) infinite; }

@keyframes tick { 50% { opacity: 0.45; } }

.goal {
  margin-top: 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.goal.reached { color: var(--green); }

.spotline {
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.spot-dots { display: inline-flex; gap: 6px; }
.spot-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.28);
  display: block;
}
.spot-dots i.done { background: var(--green); border-color: var(--green); }
.spot-dots i.active {
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 0 12px rgba(255, 122, 41, 0.8);
}

.spot-name {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
}

/* --------------------------------------------------------- カウントダウン -- */
.countdown {
  position: absolute;
  top: 44%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(64px, 14vw, 150px);
  font-weight: 900;
  line-height: 1;
  color: var(--ink);
  text-shadow: 0 10px 50px rgba(0, 0, 0, 0.8);
  opacity: 0;
  pointer-events: none;
  font-variant-numeric: tabular-nums;
}
.countdown.show { animation: cd 0.85s cubic-bezier(.16,1,.3,1) forwards; }
.countdown.go { color: var(--green); }

@keyframes cd {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(1.5); }
  18% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  70% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
}

/* ------------------------------------------------------------ モード選択 -- */
.menu {
  margin-top: 26px;
  width: min(560px, 88vw);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.menu-modes { display: grid; gap: 10px; }

.mode-btn {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 18px;
  text-align: left;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--stroke);
  border-left: 3px solid rgba(255, 255, 255, 0.22);
  border-radius: 12px;
  cursor: pointer;
  font: inherit;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
}
.mode-btn:hover { background: rgba(255, 255, 255, 0.1); transform: translateX(2px); }
.mode-btn:focus-visible { outline: 2px solid var(--orange); outline-offset: 2px; }
.mode-btn .m-name { font-weight: 800; font-size: 15px; letter-spacing: 0.04em; }
.mode-btn .m-hint { display: block; font-size: 12px; color: var(--muted); margin-top: 3px; font-weight: 500; }
.mode-btn .m-icon { font-size: 22px; line-height: 1; }
.mode-btn.primary {
  border-left-color: var(--orange);
  background: linear-gradient(90deg, rgba(255, 122, 41, 0.16), rgba(255, 255, 255, 0.04) 60%);
}

/* ------------------------------------------------------------ ランキング -- */
.menu-rank {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--stroke);
  border-radius: 12px;
  padding: 12px 14px 8px;
}

.rank-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.rank-title {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.rank-tabs { display: flex; gap: 6px; margin-left: auto; }
.rank-tab {
  pointer-events: auto;
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 4px 10px;
  cursor: pointer;
}
.rank-tab.on { color: var(--ink); background: rgba(255, 255, 255, 0.1); border-color: var(--stroke); }

.rank-scope { font-size: 10px; color: var(--muted); letter-spacing: 0.04em; margin-left: auto; }
.rank-tabs + .rank-scope { margin-left: 0; }

.rank-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.rank-list li {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  align-items: baseline;
  gap: 10px;
  padding: 6px 2px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-variant-numeric: tabular-nums;
}
.rank-list li:first-child { border-top: none; }

.rank-list .r-no { font-size: 12px; font-weight: 800; color: var(--muted); text-align: right; }
.rank-list li:nth-child(1) .r-no { color: #ffd166; }
.rank-list li:nth-child(2) .r-no { color: #d8dde8; }
.rank-list li:nth-child(3) .r-no { color: #e0a06a; }

.rank-list .r-name {
  font-size: 14px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.rank-list .r-score { font-size: 14px; font-weight: 800; }
.rank-list .r-score small { font-size: 10px; color: var(--muted); font-weight: 600; margin-left: 2px; }

.rank-list li.me {
  background: linear-gradient(90deg, rgba(255, 122, 41, 0.22), transparent 75%);
  border-radius: 6px;
}
.rank-list li.me .r-name { color: var(--orange); }

.rank-list li.rank-empty {
  /* .rank-list li の display:grid に負けないよう、詳細度を上げて上書きする */
  display: block;
  color: var(--muted);
  font-size: 12px;
  padding: 10px 2px;
  border-top: none;
}

/* -------------------------------------------------------------- リザルト -- */
#result {
  position: absolute;
  inset: 0;
  z-index: 12;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(6, 8, 12, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow-y: auto;
}

.result-card {
  width: min(520px, 92vw);
  background: linear-gradient(180deg, rgba(26, 31, 42, 0.96), rgba(13, 16, 23, 0.96));
  border: 1px solid var(--stroke);
  border-radius: 18px;
  padding: 26px 24px 22px;
  text-align: center;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  animation: rise 0.4s cubic-bezier(.16,1,.3,1);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.result-verdict {
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.28em;
  color: var(--muted);
}
.result-verdict.clear { color: var(--green); }
.result-verdict.fail { color: var(--red); }

.result-score {
  font-size: clamp(46px, 9vw, 72px);
  font-weight: 900;
  line-height: 1.05;
  margin: 2px 0 4px;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #fff, var(--orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.result-score small { font-size: 0.4em; -webkit-text-fill-color: var(--muted); margin-left: 4px; }

.result-detail { font-size: 12px; color: var(--muted); margin-bottom: 18px; }

.entry { display: block; margin-bottom: 14px; }
.entry-label { display: block; font-size: 11px; color: var(--muted); margin-bottom: 7px; letter-spacing: 0.04em; }
.entry-row { display: flex; gap: 8px; }

.entry-input {
  flex: 1;
  min-width: 0;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--ink);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--stroke);
  border-radius: 10px;
  padding: 10px 12px;
}
.entry-input:focus { outline: none; border-color: var(--orange); }
.entry-input::placeholder { color: rgba(255, 255, 255, 0.25); }

.entry-btn {
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #17120c;
  background: linear-gradient(180deg, #ffc48a, var(--orange));
  border: none;
  border-radius: 10px;
  padding: 0 20px;
  cursor: pointer;
}
.entry-btn:disabled { opacity: 0.45; cursor: default; }

.entry-done { font-size: 12px; color: var(--green); margin: 0 0 14px; font-weight: 700; }

.result-actions { display: flex; gap: 10px; margin-top: 18px; }
.result-actions .start-btn { flex: 1; margin-top: 0; padding: 13px 0; }

.ghost-wide {
  flex: 1;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--stroke);
  border-radius: 999px;
  padding: 13px 0;
  cursor: pointer;
}
.ghost-wide:hover { color: var(--ink); border-color: rgba(255, 255, 255, 0.3); }

@media (max-width: 720px) {
  .menu { width: min(460px, 92vw); }
  .rank-list li:nth-child(n + 8) { display: none; }
  .result-card { padding: 20px 16px 18px; }
}