:root{
  --bg0:#05040a;
  --bg1:#0b0a18;
  --text:#f4f3ff;
  --muted:#c7c3ff;

  --accent:#00e5ff;
  --accent2:#ff4dff;
  --accent3:#ffd166;

  --good:#34f2a6;
  --bad:#ff4d6d;

  --shadow:0 26px 60px rgba(0,0,0,.55);
  --r:18px;

  --glow-cyan: 0 0 22px rgba(0,229,255,.55);
  --glow-mag:  0 0 22px rgba(255,77,255,.48);
  --glow-good: 0 0 18px rgba(52,242,166,.38);
  --glow-bad:  0 0 18px rgba(255,77,109,.38);
  --glow: var(--glow-cyan);

  --crt-opacity:.14;

  /* iOS ???対策：JSが更新 */
  --kb: 0px;

  /* スマホ下ドック（入力欄）の高さ見込み */
  --dock: 112px;
}

*{ box-sizing:border-box; }

html,body{ height:100%; }

body{
  margin:0;
  font-family: ui-monospace, system-ui, -apple-system, "Segoe UI", Roboto, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color:var(--text);
  min-height:100svh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:28px;
  overflow-x:hidden;
  background:
    radial-gradient(900px 500px at 18% 8%, rgba(0,229,255,.32), transparent 60%),
    radial-gradient(900px 520px at 80% 12%, rgba(255,77,255,.28), transparent 62%),
    radial-gradient(900px 520px at 50% 120%, rgba(255,209,102,.18), transparent 58%),
    linear-gradient(180deg, var(--bg1), var(--bg0));
}

@supports (height: 100dvh){
  body{ min-height:100dvh; }
}

body[data-level="easy"]  { --accent:#00e5ff; --accent2:#7cc0ff; }
body[data-level="medium"]{ --accent:#34f2a6; --accent2:#00e5ff; }
body[data-level="hard"]  { --accent:#ff4dff; --accent2:#ff4d6d; }

body.climax{ filter:saturate(1.08) contrast(1.02); }
body.last5 main.panel{ animation: neonBlink .6s infinite; }
@keyframes neonBlink{
  0%{ box-shadow:var(--shadow); }
  50%{ box-shadow:0 0 40px rgba(255,77,109,.6), var(--shadow); }
  100%{ box-shadow:var(--shadow); }
}

.app{ width:min(980px,100%); display:grid; gap:14px; }

header{
  display:flex; justify-content:space-between; align-items:center;
  padding:18px 20px;
  border:2px solid rgba(255,255,255,.18);
  border-radius:var(--r);
  box-shadow:var(--shadow);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  backdrop-filter: blur(10px);
  position:relative;
  overflow:hidden;
}
header::before{
  content:"";
  position:absolute;
  inset:-40px -40px auto -40px;
  height:120px;
  background:linear-gradient(90deg, rgba(0,229,255,.28), rgba(255,77,255,.22), rgba(255,209,102,.18));
  filter: blur(18px);
  opacity:.75;
}
header h1{
  margin:0;
  letter-spacing:.06em;
  font-weight:900;
  font-size:1.05rem;
  position:relative;
  text-shadow: var(--glow-cyan), var(--glow-mag);
}

.badge{
  position:relative;
  border:2px solid rgba(255,255,255,.18);
  padding:8px 12px;
  border-radius:999px;
  background:rgba(10,8,22,.55);
  box-shadow: 0 0 0 2px rgba(0,229,255,.10), var(--glow-cyan);
  font-size:.92rem;
}

main.panel{
  border:2px solid rgba(255,255,255,.18);
  border-radius:var(--r);
  padding:22px;
  box-shadow:var(--shadow);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  backdrop-filter: blur(10px);
  position:relative;
  overflow:hidden;
}

/* CRT */
main.panel::before{
  content:"";
  position:absolute;
  inset:-2px;
  pointer-events:none;
  opacity:var(--crt-opacity);
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255,255,255,.10) 0px,
      rgba(255,255,255,.10) 1px,
      rgba(0,0,0,0) 3px,
      rgba(0,0,0,0) 5px
    );
  mix-blend-mode: overlay;
}

.screen{ display:none; position:relative; }
.screen.active{ display:block; }

.hud{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:12px;
  margin-bottom:14px;
}
.stat{
  border:2px solid rgba(255,255,255,.14);
  border-radius:16px;
  padding:14px 14px;
  background: rgba(5,4,10,.45);
  box-shadow: 0 0 0 2px rgba(0,229,255,.08);
}
.stat .k{ font-size:.85rem; color:var(--muted); letter-spacing:.08em; }
.stat .v{ font-size:1.35rem; font-weight:900; margin-top:6px; }

#timeLeft.time-warn{ color:var(--accent3); text-shadow:0 0 18px rgba(255,209,102,.35); }
#timeLeft.time-danger{ color:var(--bad); text-shadow:0 0 22px rgba(255,77,109,.55); }

.word{
  font-size:3.2rem;
  font-weight:900;
  letter-spacing:.16em;
  text-transform:lowercase;
  text-align:left;
  padding:18px 18px;
  border-radius:18px;
  border:2px solid rgba(255,255,255,.16);
  background:
    radial-gradient(220px 70px at 15% 25%, rgba(0,229,255,.16), transparent 70%),
    radial-gradient(220px 70px at 85% 25%, rgba(255,77,255,.16), transparent 70%),
    rgba(5,4,10,.45);
  box-shadow: 0 0 0 3px rgba(0,229,255,.14), var(--glow-cyan);
  position:relative;
  margin-bottom:12px;
}
.word::after{
  content:"";
  position:absolute;
  inset:-2px;
  border-radius:18px;
  pointer-events:none;
  box-shadow: var(--glow-mag);
  opacity:.45;
}

.inputRow{ display:grid; grid-template-columns:1fr; gap:10px; }

input[type=text]{
  width:100%;
  max-width:100%;
  min-height:58px;
  border:3px solid rgba(255,255,255,.22);
  border-radius:16px;
  padding:16px 16px;
  font-size:1.18rem;
  line-height:1.2;
  background:rgba(5,4,10,.55);
  color:var(--text);
  outline:none;
  box-shadow: inset 0 0 0 2px rgba(0,229,255,.10);
  transition:border-color .15s ease, box-shadow .15s ease, transform .12s ease;
}
input[type=text]:focus{
  border-color: rgba(0,229,255,.55);
  box-shadow: inset 0 0 0 2px rgba(0,229,255,.18), var(--glow-cyan);
  transform: translateY(-1px);
}
input.good{ border-color:var(--good); box-shadow: inset 0 0 0 2px rgba(52,242,166,.18), var(--glow-good); }
input.bad{ border-color:var(--bad); box-shadow: inset 0 0 0 2px rgba(255,77,109,.18), var(--glow-bad); }

/* Start UI bits */
.toggle{
  display:inline-flex;
  align-items:center;
  gap:10px;
  user-select:none;
  border:2px solid rgba(255,255,255,.14);
  background:rgba(10,10,22,.45);
  padding:10px 12px;
  border-radius:999px;
  box-shadow: 0 0 0 2px rgba(0,229,255,.08);
}
.toggle input{ display:none; }
.toggle .track{
  width:46px; height:26px; border-radius:999px;
  background:rgba(255,255,255,.18);
  position:relative;
}
.toggle .track::after{
  content:"";
  position:absolute; top:3px; left:3px;
  width:20px; height:20px; border-radius:50%;
  background:#fff;
  transition: transform .18s ease;
}
.toggle input:checked + .track{ background:rgba(0,229,255,.35); }
.toggle input:checked + .track::after{ transform: translateX(20px); }
.toggle .txt{ font-weight:900; letter-spacing:.08em; }

.level-btn{
  border:3px solid rgba(255,255,255,.22);
  border-radius:18px;
  padding:16px 18px;
  cursor:pointer;
  color:#0b0a18;
  font-weight:900;
  letter-spacing:.12em;
  background: linear-gradient(180deg, var(--accent2), rgba(255,255,255,.92));
  box-shadow: 0 16px 34px rgba(255,77,255,.25), 0 10px 0 rgba(0,0,0,.35);
}

/* Judge popup */
.judge-pop{
  position:fixed; inset:0; display:flex; align-items:center; justify-content:center;
  pointer-events:none; font-size:6.5rem; font-weight:900; opacity:0;
  transform:scale(.5) rotate(-6deg);
  transition:transform .18s ease, opacity .18s ease;
  text-shadow: var(--glow-cyan), var(--glow-mag);
  z-index:9999;
}
.judge-pop.show{ opacity:1; transform:scale(1) rotate(0deg); }
.judge-pop.good{ color:var(--good); text-shadow: var(--glow-good), var(--glow-cyan); }
.judge-pop.bad{ color:var(--bad); text-shadow: var(--glow-bad), var(--glow-mag); }

/* ===== Mobile “safe” layout ===== */
@media (max-width: 720px){
  body{ padding:18px 14px; align-items:flex-start; }

  main.panel{ padding:16px; }

  /* HUDを2x2 + sticky（常に見える） */
  .hud{
    position: sticky;
    top: 0;
    z-index: 30;
    grid-template-columns: 1fr 1fr;
    gap:10px;
    padding:10px;
    margin:0 0 10px;
    border-radius:14px;
    backdrop-filter: blur(10px);
    background: rgba(10,10,22,.45);
    border: 1px solid rgba(255,255,255,.14);
  }
  .stat{ padding:12px 12px; }
  .stat .v{ font-size:1.25rem; }

  .word{
    font-size:2.6rem;
    text-align:center;
    letter-spacing:.14em;
  }

  /* 入力ドックを“固定”で底に置く（stickyは使わない） */
  .inputRow{
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    width: min(980px, calc(100% - 28px));
    bottom: calc(10px + env(safe-area-inset-bottom) + var(--kb));
    z-index: 50;

    padding: 12px;
    border-radius: 18px;
    backdrop-filter: blur(10px);
    background: rgba(10,10,22,.58);
    border: 1px solid rgba(255,255,255,.16);
    box-shadow: 0 18px 50px rgba(0,0,0,.55);
  }

  /* ドック分、下に余白を確保（固定要素に隠れないように） */
  #screenGame{
    padding-bottom: calc(var(--dock) + env(safe-area-inset-bottom));
  }

  #answer{
    font-size: 20px;
    padding: 16px 14px;
    min-height: 56px;
  }
}

/* TIME UP：入力欄（ドック）の少し上に“固定表示” */
#timeUp{
  position: fixed;
  left: 0;
  right: 0;
  top: auto;
  bottom: calc(var(--dock) + env(safe-area-inset-bottom) + 18px); /* ←ここが効く */
  display: flex;
  justify-content: center;
  align-items: center;

  padding: 0;
  font-size: clamp(2.6rem, 8vw, 4.8rem);
  font-weight: 900;
  letter-spacing: .18em;

  color: var(--bad);
  text-shadow: 0 0 30px rgba(255,77,109,.8), 0 0 60px rgba(255,77,109,.6);

  opacity: 0;
  pointer-events: none;
  z-index: 10000;
}

/* ===== mini time bar (入力欄の近くで残り時間を確認) ===== */
.miniTime{
  display:grid;
  grid-template-columns: 1fr auto;
  align-items:center;
  gap:10px;
  margin-bottom:10px;
}

.miniTime__track{
  position:relative;
  height:10px;
  border-radius:999px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.10);
  box-shadow: inset 0 0 0 2px rgba(0,229,255,.08);
}

.miniTime__bar{
  position:absolute;
  inset:0;
  transform-origin:left;
  transform: scaleX(1);
  transition: transform .18s linear;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  box-shadow: var(--glow-cyan), var(--glow-mag);
}

.miniTime__txt{
  font-weight:900;
  letter-spacing:.08em;
  color: var(--text);
  text-shadow: var(--glow-cyan);
  min-width: 3.8ch;
  text-align:right;
}

/* 残り時間が少ない時は色替え（任意） */
.miniTime.is-warn .miniTime__bar{
  background: linear-gradient(90deg, var(--accent3), var(--accent));
  box-shadow: 0 0 18px rgba(255,209,102,.45);
}
.miniTime.is-danger .miniTime__bar{
  background: linear-gradient(90deg, var(--bad), var(--accent2));
  box-shadow: 0 0 22px rgba(255,77,109,.55);
}