:root{color-scheme:dark;--bg:#102725;--panel:#193633;--ink:#f1edda;--muted:#afc1b2;--gold:#edc176;--line:#35544c;--a:#efbd62;--b:#6bc4bc;--c:#e49c91}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at top,#21443b 0,var(--bg) 65%);color:var(--ink);font:15px/1.55 system-ui,-apple-system,sans-serif}main{max-width:1160px;margin:auto;padding:26px 40px}button,select{font:inherit;color:var(--ink);border:1px solid var(--line);border-radius:9px;background:#203f39;padding:9px 14px;cursor:pointer;touch-action:manipulation}button:hover,select:hover{border-color:var(--gold);background:#2c4b40}button:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid var(--gold);outline-offset:3px}button:disabled{opacity:.35;cursor:default}a{color:var(--gold)}header{display:flex;align-items:center;gap:24px;padding-bottom:20px;border-bottom:1px solid var(--line)}.brand{font-size:15px;letter-spacing:3px;font-weight:700;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:12px}.brandmark{font-size:30px;line-height:1;color:var(--gold)}.edition{font-size:10px;letter-spacing:2px;color:var(--muted);margin-left:auto}.quiet{font-size:12px;background:transparent}.intro{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:38px 0 32px;align-items:center}.eyebrow{font-size:10px;letter-spacing:2.1px;font-weight:700;color:var(--gold);margin:0 0 10px}h1,h2,h3{font-family:Georgia,'Times New Roman',serif;font-weight:400;line-height:1.08;margin:0}h1{font-size:clamp(40px,5.5vw,68px);letter-spacing:-2px}h1 em{color:var(--gold);font-weight:400}.dek{color:var(--muted);font-size:15px;margin:18px 0 0}.landscape{height:235px;position:relative;border-radius:80px 10px 80px 10px;overflow:hidden;border:1px solid #577263}.landscape img{width:100%;height:100%;object-fit:cover;object-position:center 60%}.landscape:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent 55%,#0c2928b8)}.landscape span{position:absolute;bottom:18px;left:28px;font-size:9px;letter-spacing:2px;z-index:1}.game{border:1px solid var(--line);background:#17312eda;border-radius:18px;padding:25px}.sectionhead{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}h2{font-size:30px}.sectionhead .eyebrow{margin-bottom:6px}.levelnav{display:flex;gap:6px;align-items:center}.levelnav button{padding:8px 12px}.levelnav select{max-width:180px;font-size:12px}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 258px;gap:28px}.meter{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-bottom:14px;font-variant-numeric:tabular-nums}.chart{display:grid;gap:5px;position:relative}.pitch{display:flex;align-items:center;justify-content:center;font-size:9px;color:var(--muted);writing-mode:vertical-rl;transform:rotate(180deg);letter-spacing:1px}.beat{text-align:center;color:var(--muted);font-size:10px}.slot{position:relative;min-width:0;aspect-ratio:1.15;background:#102a28;border:1px solid #25463f;border-radius:6px;display:flex;align-items:center;justify-content:center;gap:1px;padding:0}.slot.target{border:1px dashed #b59158;background:#514b302b}.slot.target:empty:after{content:'·';color:#b6955b}.slot.occupied{border-style:solid}.slot.collision{background:#7a3e3b;border:2px solid #ffa898}.note{display:flex;align-items:center;justify-content:center;min-width:0;width:68%;height:74%;border-radius:5px;color:#112927;background:var(--bird);font-size:13px;font-weight:800;box-shadow:0 2px 5px #0004}.note.selected{outline:2px solid #fff7db;outline-offset:2px}.collision .note{width:35%;font-size:10px}.slot.outside .note{opacity:.62}.slot.playing{box-shadow:0 0 0 2px #fff9 inset;filter:brightness(1.45)}.legend{display:flex;gap:15px;flex-wrap:wrap;font-size:10px;color:var(--muted);margin-top:13px}.legend span{display:flex;align-items:center;gap:6px}.legend span:last-child{margin-left:auto}.legend i{width:9px;height:9px;border-radius:2px;display:inline-block}.gold{border:1px dashed var(--gold)}.red{background:#e49c91}#status{min-height:44px;margin:16px 0 4px;font-size:13px;color:var(--muted)}.tools{display:flex;gap:7px;flex-wrap:wrap}.tools button{font-size:12px;padding:8px 11px}#listen{color:var(--gold)}.rosterhead{display:flex;justify-content:space-between;color:var(--muted);font-size:9px;letter-spacing:1px;margin-bottom:10px}.bird{display:flex;align-items:center;gap:11px;width:100%;padding:5px;margin-bottom:8px;text-align:left;border-radius:12px;position:relative;background:#142e2b}.bird.active{border-color:var(--bird);background:#27453b}.bird img{height:64px;width:64px;object-fit:cover;border-radius:8px}.bird strong{display:block;font-family:Georgia,serif;font-size:18px;font-weight:400;color:var(--bird)}.bird small{display:block;font-size:10px;color:var(--muted)}.bird .letter{margin-left:auto;margin-right:9px;border:1px solid var(--bird);color:var(--bird);font-size:10px;border-radius:4px;padding:1px 5px}.adjust{border-top:1px solid var(--line);padding-top:10px;margin-top:16px}.adjust>p{margin:0 0 7px;font-size:11px;color:var(--gold)}.adjust-row{display:flex;gap:6px;margin:6px 0;align-items:center}.adjust-row span{margin-right:auto;color:var(--muted);font-size:12px}.adjust-row button{width:59px;padding:6px}.adjust>small{display:block;color:var(--muted);font-size:10px;margin-top:12px}.victory{display:flex;align-items:center;gap:14px;background:#344b36;border:1px solid #9d9b5b;border-radius:10px;padding:18px;margin-top:18px}.victory[hidden]{display:none}#stars{font-size:24px;color:var(--gold)}.victory h3{font-size:21px}.victory p{font-size:11px;margin:5px 0;color:var(--muted)}.victory button{margin-left:auto;font-size:11px}.notes{display:grid;grid-template-columns:1fr 1.8fr;gap:10px 50px;margin:45px 14px}.notes h2{font-size:29px}.notes ol{margin:0;padding-left:22px;color:var(--muted);font-size:13px}.notes li{margin-bottom:10px;padding-left:7px}.notes strong{color:var(--ink)}.notes>p{grid-column:2;font-size:11px;color:var(--muted);margin-top:0}footer{display:flex;gap:30px;justify-content:space-between;border-top:1px solid var(--line);padding:20px 0;color:var(--muted);font-size:10px}footer>span{white-space:nowrap}details{max-width:580px}summary{cursor:pointer;color:var(--gold)}@media(max-width:800px){main{padding:18px}.intro{gap:20px}.landscape{height:210px}.game{padding:18px}.game-layout{grid-template-columns:minmax(0,1fr) 220px;gap:18px}.bird img{width:48px;height:58px}.slot{border-radius:4px}.note{font-size:11px}}@media(max-width:620px){header{gap:10px}.brand{font-size:12px;letter-spacing:2px}.edition{display:none}.quiet{margin-left:auto;padding:7px 10px}.intro{padding:26px 0;grid-template-columns:1.2fr 1fr;gap:12px}.eyebrow{font-size:8px;letter-spacing:1.5px}h1{font-size:40px;letter-spacing:-1.8px}.dek{font-size:11px;line-height:1.6}.landscape{height:220px;border-radius:50px 9px}.landscape span{font-size:7px;left:15px;bottom:18px;max-width:90px}.sectionhead{align-items:flex-start;flex-direction:column;gap:13px;margin-bottom:18px}.sectionhead h2{font-size:27px}.levelnav{width:100%}.levelnav select{max-width:none;flex:1}.game-layout{display:flex;flex-direction:column;gap:24px}.game{padding:16px 12px}.chart{gap:3px}.slot{aspect-ratio:1}.note{font-size:11px;border-radius:3px}.note.selected{outline-width:1px;outline-offset:1px}.legend{font-size:9px;gap:10px}.legend span:last-child{margin-left:0}.meter{font-size:10px}.rosterhead{font-size:8px}#birds{display:flex;gap:6px}.bird{display:flex;flex-direction:column;gap:3px;padding:5px 3px;align-items:center;text-align:center}.bird img{width:100%;height:auto;aspect-ratio:1.3;object-fit:cover}.bird strong{font-size:16px}.bird small{font-size:8px}.bird .letter{position:absolute;top:8px;left:8px;background:#142e2b;margin:0}.adjust{display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;margin-top:8px}.adjust>p,.adjust>small{grid-column:1/-1}.adjust>small{margin-top:3px}.adjust-row{margin:0}.adjust-row button{width:38px}.adjust-row span{font-size:11px}.victory{flex-wrap:wrap;padding:12px}.victory h3{font-size:20px}.victory button{width:100%;margin:0}.notes{display:block;margin:30px 5px}.notes h2{font-size:26px;margin-bottom:20px}.notes>p{margin-top:14px}footer{flex-direction:column;gap:10px}.pitch{font-size:8px}}@media(prefers-reduced-motion:no-preference){button{transition:background .16s,border-color .16s}.victory{animation:arrive .4s ease-out}@keyframes arrive{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}}