:root {
  --bg: #07101d;
  --panel: rgba(13, 27, 47, 0.92);
  --panel-2: rgba(20, 39, 65, 0.94);
  --text: #f7fbff;
  --muted: #9db1c8;
  --line: rgba(255,255,255,.12);
  --accent: #7ee7ff;
  --shadow: 0 22px 60px rgba(0,0,0,.38);
}
* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 20%, rgba(65, 173, 255, .14), transparent 35%),
    radial-gradient(circle at 80% 70%, rgba(255, 91, 96, .10), transparent 38%),
    linear-gradient(160deg, #081321 0%, #07101d 45%, #0a1728 100%);
  overflow-x: hidden;
}
button { font: inherit; }
button:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.app-shell { min-height: 100vh; min-height: 100dvh; }
.screen { display: none; min-height: 100vh; min-height: 100dvh; padding: clamp(18px, 4vw, 48px); align-items: center; justify-content: center; }
.screen.active { display: flex; }
.hero-panel, .panel {
  width: min(100%, 1080px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16,32,54,.94), rgba(9,21,37,.96));
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.hero-panel { padding: clamp(34px, 7vw, 82px); text-align: center; position: relative; overflow: hidden; }
.hero-panel::before, .hero-panel::after {
  content:""; position:absolute; border-radius:50%; filter: blur(2px); opacity:.65; pointer-events:none;
}
.hero-panel::before { width:260px; height:260px; background:radial-gradient(circle, rgba(69,211,255,.35), transparent 68%); left:-70px; top:-90px; }
.hero-panel::after { width:300px; height:300px; background:radial-gradient(circle, rgba(255,102,72,.24), transparent 70%); right:-100px; bottom:-120px; }
.eyebrow { text-transform: uppercase; letter-spacing: .18em; color: #84dfff; font-size: .78rem; font-weight: 800; }
h1 { font-size: clamp(2.6rem, 7vw, 6.2rem); margin: 12px auto 18px; line-height: .95; max-width: 920px; }
h2 { font-size: clamp(2rem, 4vw, 3.6rem); margin: 8px 0 12px; }
.tagline, .selection-intro { color: var(--muted); max-width: 700px; margin: 0 auto 30px; font-size: clamp(1rem, 2vw, 1.18rem); line-height: 1.6; }
.hero-actions { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }
.primary-btn, .secondary-btn, .text-btn, .ability-btn, .move-btn {
  border: 0; cursor: pointer; transition: transform .14s ease, filter .14s ease, background .14s ease;
}
.primary-btn:hover, .secondary-btn:hover, .element-card:hover, .ability-btn:hover, .move-btn:hover { transform: translateY(-2px); filter: brightness(1.08); }
.primary-btn { color:#04121f; background: linear-gradient(135deg,#7ee7ff,#b9fff0); font-weight: 900; padding: 15px 22px; border-radius: 14px; box-shadow: 0 10px 30px rgba(69,211,255,.18); }
.secondary-btn { color: var(--text); background: rgba(255,255,255,.07); border:1px solid var(--line); font-weight:800; padding: 14px 22px; border-radius:14px; }
.text-btn { color:#cbe8ff; background:transparent; padding:0; margin-bottom:18px; font-weight:800; }
.selection-panel, .how-panel, .end-panel { padding: clamp(24px, 5vw, 52px); }
.element-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap:14px; margin-top: 26px; }
.element-card { min-height: 440px; border-radius: 22px; border:1px solid rgba(255,255,255,.14); color:#fff; padding: 0 16px 18px; overflow:hidden; text-align:left; display:flex; flex-direction:column; gap:8px; justify-content:flex-end; box-shadow: inset 0 0 0 1px rgba(255,255,255,.02); position:relative; }
.creature-art { display:block; margin:0 -16px 8px; height:210px; overflow:hidden; position:relative; background:rgba(0,0,0,.16); }
.creature-art::after { content:""; position:absolute; inset:auto 0 0; height:54%; background:linear-gradient(transparent,rgba(4,12,22,.9)); pointer-events:none; }
.creature-art img { width:100%; height:100%; object-fit:cover; object-position:center 38%; display:block; transition:transform .25s ease; }
.element-card:hover .creature-art img { transform:scale(1.045); }
.element-heading { display:flex; align-items:center; gap:10px; }
.element-card .element-symbol { font-size:2.15rem; line-height:1; filter: drop-shadow(0 5px 16px rgba(0,0,0,.3)); }
.element-heading > span:last-child { display:flex; flex-direction:column; min-width:0; }
.creature-name { font-size:1.42rem; line-height:1.05; font-weight:950; letter-spacing:.02em; }
.element-name { color:rgba(255,255,255,.72); font-size:.76rem; font-weight:900; text-transform:uppercase; letter-spacing:.12em; margin-top:3px; }
.element-desc { font-weight:850; }
.creature-design { color:rgba(255,255,255,.68); font-size:.78rem; line-height:1.35; }
.ability-list { color:rgba(255,255,255,.86); font-size:.84rem; line-height:1.4; border-top:1px solid rgba(255,255,255,.13); padding-top:8px; }
.energy { background:linear-gradient(160deg,#224bb9,#0d1d4a); }
.fire { background:linear-gradient(160deg,#c84e23,#5d1714); }
.water { background:linear-gradient(160deg,#1487b9,#0a3158); }
.earth { background:linear-gradient(160deg,#647a3d,#25361e); }
.how-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin:26px 0; }
.how-grid > div { padding:18px; border:1px solid var(--line); background:rgba(255,255,255,.035); border-radius:16px; }
.how-grid strong, .how-grid span { display:block; }
.how-grid span { color:var(--muted); margin-top:7px; line-height:1.45; }
#game-screen { padding: 12px; align-items: stretch; }
.game-layout { width:min(100%,1180px); margin:auto; display:flex; flex-direction:column; gap:10px; }
.hud { display:grid; grid-template-columns: repeat(7, minmax(82px,1fr)); gap:8px; }
.hud-block { background:rgba(10,24,41,.92); border:1px solid var(--line); border-radius:14px; padding:10px 12px; min-height:62px; }
.hud-block.wide { min-width:150px; }
.hud-label { display:block; color:var(--muted); font-size:.72rem; text-transform:uppercase; letter-spacing:.1em; margin-bottom:6px; }
.meter { width:100%; height:8px; background:rgba(255,255,255,.08); border-radius:999px; overflow:hidden; margin-bottom:4px; }
.meter-fill { height:100%; width:50%; border-radius:999px; transition:width .16s linear; }
.meter-fill.health { background:linear-gradient(90deg,#ff786c,#ffb36b); }
.meter-fill.power { background:linear-gradient(90deg,#5bc0ff,#7effda); }
.canvas-wrap { position:relative; width:100%; aspect-ratio:16/9; background:#07111f; border:1px solid var(--line); border-radius:22px; overflow:hidden; box-shadow: var(--shadow); }
#game-canvas { width:100%; height:100%; display:block; touch-action:none; }
.level-banner { position:absolute; top:18px; left:50%; transform:translateX(-50%) translateY(-10px); opacity:0; pointer-events:none; background:rgba(4,13,23,.84); border:1px solid var(--line); border-radius:999px; padding:10px 16px; font-weight:900; transition:.25s ease; }
.level-banner.show { opacity:1; transform:translateX(-50%) translateY(0); }
.controls-panel { display:flex; justify-content:space-between; align-items:center; gap:12px; }
.ability-row { display:flex; gap:8px; flex:1; }
.ability-btn { flex:1; min-height:58px; padding:9px 12px; border-radius:14px; color:#fff; background:#173252; border:1px solid rgba(255,255,255,.12); text-align:left; }
.ability-btn strong, .ability-btn small { display:block; }
.ability-btn small { color:#b8c9da; margin-top:3px; }
.ability-btn.ultimate { background:#5b2f75; }
.ability-btn:disabled { opacity:.42; cursor:not-allowed; transform:none; filter:none; }
.mobile-move { display:grid; grid-template-columns:repeat(3,46px); grid-template-rows:repeat(2,42px); gap:4px; }
.move-btn { color:#fff; background:#16293f; border:1px solid var(--line); border-radius:10px; }
.move-btn.up { grid-column:2; grid-row:1; }
.move-btn.left { grid-column:1; grid-row:2; }
.move-btn.down { grid-column:2; grid-row:2; }
.move-btn.right { grid-column:3; grid-row:2; }
.end-panel { text-align:center; max-width:720px; }
.end-icon { font-size:4rem; margin-bottom:8px; }
.end-panel p { color:var(--muted); font-size:1.06rem; line-height:1.6; }
.final-score-card { width:min(100%,360px); margin:24px auto; background:rgba(255,255,255,.05); border:1px solid var(--line); border-radius:20px; padding:22px; }
.final-score-card span, .final-score-card small { display:block; color:var(--muted); }
.final-score-card strong { display:block; font-size:3rem; margin:4px 0; }
.end-panel .primary-btn, .end-panel .secondary-btn { margin:5px; }
#mis-leaderboard { margin-top:24px; text-align:left; }
@media (max-width: 900px) {
  .element-grid { grid-template-columns: repeat(2, 1fr); }
  .hud { grid-template-columns: repeat(4, 1fr); }
  .controls-panel { align-items:stretch; flex-direction:column; }
  .mobile-move { align-self:center; }
}
@media (max-width: 560px) {
  .screen { padding:14px; }
  .hero-panel, .panel { border-radius:20px; }
  .hero-panel { padding:34px 20px; }
  .element-grid { grid-template-columns:1fr; }
  .element-card { min-height:420px; }
  .how-grid { grid-template-columns:1fr; }
  .hud { grid-template-columns: repeat(2,1fr); }
  .hud-block { padding:8px 9px; min-height:56px; }
  .ability-row { width:100%; }
  .ability-btn { font-size:.78rem; padding:8px; min-height:54px; }
  .ability-btn small { font-size:.68rem; }
}

.version-tag{display:inline-block;font-size:.24em;vertical-align:top;margin-left:.35em;color:#84dfff;letter-spacing:.08em;}