:root{color-scheme:dark;--bg:#10121c;--panel:#191c29;--line:#2a2e40;--muted:#979caf;--text:#f0f1f7;--accent:#bba2ff;--mint:#79dfc3;font-family:Inter,"Segoe UI",system-ui,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 50% 48%,#24203855,transparent 57%),var(--bg);color:var(--text);font-size:16px}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;border:0}button{transition:background .18s,transform .18s}button:hover{filter:brightness(1.15)}button:active{transform:translateY(1px)}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,canvas:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:disabled:hover{filter:none}a{color:inherit;text-decoration:none}.app-shell{max-width:1220px;margin:auto;padding:0 42px}.topbar{height:108px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:15px;font-size:28px;letter-spacing:5px;font-weight:800}.brand small{display:block;font-size:10px;letter-spacing:3px;color:var(--muted);font-weight:600;margin-top:3px}.brand-mark{width:36px;height:36px;display:grid;grid-template-columns:repeat(3,10px);grid-template-rows:repeat(2,10px);gap:3px;transform:rotate(-8deg)}.brand-mark i{background:var(--accent);border-radius:2px}.brand-mark i:first-child{grid-column:2}.brand-mark i:nth-child(2){grid-column:1}.brand-mark i:nth-child(3){opacity:.8}.brand-mark i:nth-child(4){opacity:.6}nav{display:flex;gap:14px;align-items:center}.nav-button,.icon-button{background:transparent;color:#c1c4d3;height:42px}.nav-button{font-size:14px;padding:0 12px}.nav-button>span:first-child{font-size:22px;margin-right:8px}.icon-button{width:38px;font-size:20px;border:1px solid var(--line);border-radius:10px}.install-button{border:1px solid #5b4b80;color:#d6c7ff;background:#a788ff12;border-radius:9px;padding:10px 16px;font-size:14px}.install-button span{margin-left:12px}.game-heading{max-width:880px;margin:35px auto 26px;display:flex;align-items:center;justify-content:space-between}.eyebrow{font-size:11px;letter-spacing:1.8px;font-weight:700;color:var(--muted)}h1{font-size:28px;letter-spacing:-.8px;margin:8px 0 0;font-weight:650}.connection{font-size:12px;color:#a6adbb;background:#ffffff05;border:1px solid var(--line);padding:8px 12px;border-radius:20px}.game-layout{display:grid;grid-template-columns:210px minmax(240px,360px) 210px;gap:24px;justify-content:center;align-items:start}.left-rail,.right-rail{display:flex;flex-direction:column;gap:18px}.panel{background:linear-gradient(135deg,#1b1e2b,#171a25);border:1px solid var(--line);border-radius:12px;padding:21px}h2{margin:0}.panel h2{font-size:11px;letter-spacing:1.8px;color:#a8adbf;font-weight:700}.mode-switch{display:flex;background:#10131f;padding:4px;border-radius:8px;margin-top:16px;gap:3px}.mode-switch button{flex:1;background:transparent;border-radius:5px;font-size:12px;padding:9px 5px;color:var(--muted)}.mode-switch button.selected{background:#39304e;color:#e2d4ff;box-shadow:0 1px 5px #0003}.mode-panel p{font-size:13px;line-height:1.8;color:var(--muted);margin:17px 0}.mode-detail{font-size:12px;color:#c0b0e6}.panel-title{display:flex;justify-content:space-between;align-items:center}kbd{display:inline-flex;align-items:center;justify-content:center;border:1px solid #3b3e51;background:#222634;color:#b3b8c9;min-width:23px;height:22px;padding:0 5px;border-radius:4px;font:11px "Segoe UI",sans-serif;box-shadow:0 2px 0 #0b0d1555}.subtle{font-size:12px;color:var(--muted);line-height:1.5}.hold-panel canvas{display:block;width:100%;height:90px}.hold-panel>.subtle{display:block;text-align:center}.personal-best{display:flex;gap:14px;align-items:center;margin:17px 0 8px}.personal-best strong{font-size:27px;font-variant-numeric:tabular-nums}.trophy{color:#edc873;font-size:28px}.quiet-note{color:#6e7389;line-height:1.7;font-size:12px;text-align:center}.quiet-note span{display:block;font-size:25px;color:#5d567d;margin:10px}.board-section{border:1px solid #49405f;border-radius:13px;background:#11131e;box-shadow:0 12px 60px #0004,0 0 40px #a989ff06;overflow:hidden}.board-top{height:45px;border-bottom:1px solid var(--line);padding:0 15px;display:flex;justify-content:space-between;align-items:center}.board-top>span{font-size:10px;letter-spacing:2px;color:#bca6ec;font-weight:700}.board-top button{background:transparent;color:var(--muted);font-size:14px;display:flex;align-items:center;gap:8px}.board-top kbd{font-size:10px;height:19px;min-width:19px}.board-wrap{position:relative;width:100%;aspect-ratio:1/2;background:#10121c}#board{display:block;width:100%;height:100%;outline-offset:-3px}.overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:linear-gradient(#10121c30,#10121cd9 32%,#10121cf2 76%,#10121c77);padding:20px}.overlay[hidden]{display:none}.start-emblem{width:111px;display:grid;grid-template-columns:repeat(3,37px);grid-template-rows:repeat(2,37px);transform:rotate(-10deg);margin-bottom:35px;filter:drop-shadow(0 0 24px #a782f940)}.start-emblem img{width:39px;height:39px}.start-emblem img:first-child{grid-column:2}.start-emblem img:nth-child(2){grid-column:1}.overlay .eyebrow{color:#b7a0e7;font-size:10px;letter-spacing:1.6px}.overlay h2{font-size:34px;font-weight:650;letter-spacing:-1px;line-height:1.2;margin:17px 0 0}.overlay p{font-size:14px;line-height:1.8;color:var(--muted);margin:17px 0 25px}.primary-button{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#bca3fa;color:#1d1530;font-size:14px;font-weight:700;padding:15px 20px;border-radius:8px;box-shadow:0 4px 24px #b296ec18}.overlay .primary-button{min-width:218px}.overlay>.subtle{margin-top:16px;font-size:11px}.board-bottom{font-size:9px;display:flex;justify-content:space-between;gap:5px;padding:13px 12px;color:#858ba0;border-top:1px solid var(--line)}.board-bottom>span:first-child{display:flex;align-items:center;gap:6px}.board-bottom i{display:block;width:5px;height:5px;border-radius:50%;background:#b29be6}#piece-count{letter-spacing:1px}.score-value{font-size:34px;display:block;letter-spacing:1px;margin-top:12px;font-variant-numeric:tabular-nums;font-weight:650}.score-divider{height:1px;background:var(--line);margin:22px 0}.stat-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin:15px 0 0}.stat-row strong{font-size:18px;color:#e4e5ee;font-weight:550;font-variant-numeric:tabular-nums}.level-track{height:4px;background:#303044;border-radius:2px;margin-top:12px;overflow:hidden}.level-track span{display:block;background:var(--accent);width:0;height:100%;transition:width .2s}.next-panel canvas{width:100%;height:270px;display:block}.sound-button{display:flex;align-items:center;gap:12px;background:transparent;color:var(--muted);font-size:13px;padding:8px}.sound-button>span:nth-child(1){flex:1;text-align:left}.sound-bars{color:#bba2ff;letter-spacing:2px}.keyboard-guide{display:flex;justify-content:center;gap:24px;margin:26px 0 38px;font-size:11px;color:var(--muted)}.keyboard-guide span{display:flex;align-items:center;gap:6px}footer{display:flex;justify-content:space-between;font-size:11px;color:#70768b;border-top:1px solid var(--line);padding:22px 0 28px}footer b{font-weight:400;padding:0 10px;color:#544967}.touch-controls{display:none}.game-message{position:absolute;top:40%;width:100%;text-align:center;font-size:27px;font-weight:800;color:#fff;text-shadow:0 2px 15px #9c74e9;pointer-events:none;opacity:0;transition:opacity .15s}.game-message.visible{opacity:1}dialog{background:#1b1e2b;color:var(--text);border:1px solid #454058;border-radius:16px;padding:28px;width:min(480px,calc(100% - 32px));max-height:85dvh;box-shadow:0 30px 100px #0008}dialog::backdrop{background:#080a13bd;backdrop-filter:blur(7px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:14px}.dialog-heading h2{font-size:23px}.dialog-heading button{background:#ffffff09;width:34px;height:34px;border-radius:7px;font-size:24px}dialog p{color:#b1b5c7;font-size:14px;line-height:1.7}dialog h3{font-size:16px;margin-top:24px}.help-keys{display:grid;grid-template-columns:1fr 1fr;gap:12px;font-size:13px}.help-keys dt{color:#d2bcff}.help-keys dd{margin:0;color:#b1b5c7}.setting{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line);font-size:14px}.setting input[type=checkbox]{width:20px;height:20px;accent-color:var(--accent)}.setting input[type=text]{width:150px;background:#111420;border:1px solid #474159;border-radius:6px;color:white;padding:8px}.secondary-button{background:#292d40;border:1px solid #3c4055;border-radius:8px;padding:12px 16px;font-size:13px}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}.rank-row{display:grid;grid-template-columns:25px 1fr auto;gap:12px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);font-size:14px}.rank-row small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.rank-row>span:first-child{color:var(--accent)}#rankings{margin:8px 0 24px}.empty-state{text-align:center;padding:30px 12px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#353049;border:1px solid #5b507b;border-radius:9px;padding:12px 20px;font-size:14px;z-index:10;opacity:0;pointer-events:none;max-width:90vw;text-align:center}.toast.visible{opacity:1}
@media(min-width:900px) and (max-height:950px){.topbar{height:84px}.game-heading{margin:24px auto 20px}.game-layout{grid-template-columns:200px minmax(230px,290px) 200px;gap:22px}.game-heading{max-width:734px}.panel{padding:18px}.next-panel canvas{height:210px}.left-rail,.right-rail{gap:15px}.keyboard-guide{margin:21px 0 26px}.overlay h2{font-size:30px}.start-emblem{margin-bottom:28px}.score-value{font-size:31px}}

#board { touch-action: none; }
@media (max-width: 760px) {
  /* Die verfügbare Höhe gehört dem Spielfeld; keine seitlichen Infokarten. */
  .app-shell { padding: 0 8px; }
  .topbar { height: 44px; max-width: 500px; margin: auto; }
  .brand { font-size: 20px; letter-spacing: 3px; gap: 8px; }
  .brand small, .brand-mark, .game-heading, footer, .keyboard-guide { display: none; }
  nav { gap: 6px; }
  .nav-button, .icon-button { min-width: 44px; height: 40px; padding: 0 8px; }
  .nav-button > span:first-child { margin: 0; }
  .nav-button > span:nth-child(2) { display: none; }
  .icon-button { font-size: 19px; border: 0; }
  .game-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 74px 82px;
    gap: 5px;
    max-width: 500px;
    margin: 5px auto 0;
  }
  .left-rail, .right-rail { display: contents; }
  .mode-panel { grid-column: 1; grid-row: 1; padding: 0; background: none; border: 0; min-width: 0; }
  .mode-panel h2, .mode-panel p, .mode-detail, .record-panel, .quiet-note,
  .hold-panel kbd, .hold-panel > .subtle, .next-panel .subtle, .sound-button { display: none; }
  .mode-panel .mode-switch { margin: 0; padding: 2px; gap: 2px; height: 44px; }
  .mode-panel .mode-switch button { font-size: 14px; padding: 6px 3px; }
  .hold-panel, .next-panel { padding: 3px 4px; height: 44px; border-radius: 7px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
  .hold-panel { grid-column: 2; grid-row: 1; }
  .next-panel { grid-column: 3; grid-row: 1; }
  .hold-panel h2, .next-panel h2 { font-size: 10px; letter-spacing: .5px; line-height: 12px; }
  .hold-panel canvas { width: 64px; height: 28px; }
  .next-panel canvas { width: 68px; height: 28px; }
  .score-panel {
    grid-column: 1 / -1; grid-row: 2;
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    padding: 5px 8px; min-height: 34px; border-radius: 7px;
  }
  .score-panel h2, .score-divider, .level-track { display: none; }
  .score-value { font-size: 19px; letter-spacing: 0; line-height: 24px; margin: 0; }
  .stat-row { display: flex; gap: 5px; font-size: 12px; margin: 0; white-space: nowrap; }
  .stat-row strong { font-size: 14px; }
  .board-section {
    grid-column: 1 / -1; grid-row: 3; justify-self: center;
    width: min(100%, var(--mobile-board-width, calc((100svh - 240px - env(safe-area-inset-bottom)) / 2)));
    width: min(100%, var(--mobile-board-width, calc((100dvh - 240px - env(safe-area-inset-bottom)) / 2)));
    border-radius: 9px;
  }
  .board-top { height: 26px; padding: 0 10px; }
  .board-top > span { font-size: 10px; letter-spacing: 1px; }
  .board-top button { height: 26px; min-width: 64px; font-size: 14px; justify-content: flex-end; }
  .board-top button span { display: inline; font-size: 12px; }
  .board-top kbd, .board-bottom { display: none; }
  .board-wrap { aspect-ratio: 1 / 2; }
  .touch-controls {
    display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px;
    position: relative; z-index: 3;
    max-width: 500px; margin: 0 auto;
    padding: 6px 0 max(6px, env(safe-area-inset-bottom));
    background: #10121cf5;
  }
  .touch-controls button {
    touch-action: none; user-select: none; -webkit-user-select: none;
    min-width: 0; height: 48px; border: 1px solid #49415e;
    background: #292338; border-radius: 9px; font-size: 25px;
  }
  .touch-controls button:first-child { font-size: 14px; }
  .touch-controls button:last-child { background: #bba2ff; color: #21172e; }
  .overlay { padding: 16px; }
  .overlay h2 { font-size: 30px; }
  .overlay p { font-size: 14px; margin: 15px 0 20px; }
  .overlay .primary-button { min-width: 0; width: 100%; max-width: 230px; font-size: 14px; padding: 15px; }
  .overlay > .subtle { font-size: 12px; margin-top: 12px; }
  .overlay .eyebrow { font-size: 10px; }
  .start-emblem { margin-bottom: 20px; }
  .game-message { font-size: 22px; }
}
@media (max-width: 360px) {
  .game-layout { grid-template-columns: minmax(0, 1fr) 64px 74px; }
  .mode-panel .mode-switch button { font-size: 12px; }
  .score-panel { gap: 5px; padding: 5px; }
  .stat-row { gap: 3px; font-size: 11px; }
  .stat-row strong { font-size: 13px; }
}
@media (max-width: 760px) and (max-height: 650px) {
  .start-emblem { display: none; }
  .overlay h2 { font-size: 25px; }
}
@media (pointer: coarse) and (min-width: 761px) {
  .touch-controls { display: flex; justify-content: center; gap: 12px; margin: 20px; }
  .touch-controls button { width: 60px; height: 48px; border-radius: 8px; background: #302a42; touch-action: none; }
  .keyboard-guide { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}