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#d9cdb8;border-radius:8px;background:#fffef8;color:#2c2418;font-size:1.0625rem;font-family:var(--font-display)}.song-search::placeholder{color:#a89878}.song-search:focus{outline:none;border-color:#a86810;box-shadow:0 0 0 3px #a868102e}[data-theme=dark] .song-search{background:#322c22;border-color:#5a5040;color:#f0e6d4}.song-difficulty-tabs{display:flex;flex-wrap:wrap;gap:.5rem;width:100%}.song-diff-tab{padding:.55rem 1rem;border:2px solid #d9cdb8;border-radius:8px;background:#fffef8;color:#5c4a32;font-size:.8125rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;transition:all .15s ease}.song-diff-tab:hover{border-color:#c9a86c;transform:translateY(-1px)}.song-diff-tab--active{transform:translateY(-1px);color:#2c2418;box-shadow:0 3px 10px #0000001a}.song-diff-tab--all.song-diff-tab--active{background:linear-gradient(180deg,#ffe9a8,#f5d878)}.song-diff-tab--beginner.song-diff-tab--active{background:linear-gradient(180deg,#c8f0d8,#98d8b0)}.song-diff-tab--intermediate.song-diff-tab--active{background:linear-gradient(180deg,#ffe0a8,#f5c878)}.song-diff-tab--advanced.song-diff-tab--active{background:linear-gradient(180deg,#ffc8c8,#f5a0a0)}[data-theme=dark] .song-diff-tab{color:#c9b896;background:#50463780}[data-theme=dark] .song-diff-tab--active{color:#1a1612}.song-grid{display:grid;grid-template-columns:1fr;gap:1rem;width:100%;flex:1;overflow-y:auto;padding:.25rem .25rem 1rem;align-content:start}@media (min-width: 700px){.song-grid{grid-template-columns:repeat(2,1fr);gap:1.1rem}}@media (min-width: 1050px){.song-grid{grid-template-columns:repeat(2,1fr);gap:1.25rem}}.song-entry{display:flex;align-items:flex-start;gap:1rem;width:100%;text-align:left;padding:1.35rem;background:#fffef8;border:2.5px solid #c4b090;border-radius:14px;color:#2c2418;cursor:pointer;box-shadow:0 3px 10px #2a22181a,inset 0 1px #ffffffe6;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease;animation:entryFade .35s ease both;position:relative;min-height:128px}[data-theme=dark] .song-entry{background:#322c22;border-color:#5a5040;color:#f5ebe0;box-shadow:0 3px 10px #00000040}.song-entry--beginner{border-top:4px solid #5cb87a}.song-entry--intermediate{border-top:4px solid #c9922a}.song-entry--advanced{border-top:4px solid #d06050}.song-entry:hover{border-color:#c9a86c;transform:translateY(-2px);box-shadow:0 6px 18px #2a22181f}[data-theme=dark] .song-entry:hover{border-color:#8a7858;box-shadow:0 6px 20px #00000059}.song-entry--selected{border-color:#c9922a;background:linear-gradient(145deg,#fffce8,#fff8d8);box-shadow:0 0 0 3px #c9922a47,0 8px 22px #c9922a2e;transform:translateY(-2px)}[data-theme=dark] .song-entry--selected{background:linear-gradient(145deg,#4a4028,#3a3420);border-color:#c9922a;box-shadow:0 0 0 3px #c9922a59}.song-entry__num{flex-shrink:0;width:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;font-size:1.0625rem;font-weight:700;color:#8b6914;font-variant-numeric:tabular-nums;background:#c9922a1f;border:2px solid rgba(201,146,42,.35);border-radius:8px}.song-entry__body{flex:1;min-width:0}.song-entry__row{display:flex;align-items:flex-start;justify-content:space-between;gap:.65rem;margin-bottom:.35rem}.song-entry__title{font-family:var(--font-display);font-size:clamp(1.2rem,2.6vw,1.45rem);font-weight:700;line-height:1.35;color:#1a1410;word-break:break-word}[data-theme=dark] .song-entry__title{color:#faf6ee}.song-entry__badge{flex-shrink:0;font-size:.75rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:.35rem .6rem;border-radius:6px;border:1px solid transparent}.song-entry__badge--beginner{background:#5cb87a33;color:#1f6b38;border-color:#5cb87a73}.song-entry__badge--intermediate{background:#c9922a33;color:#8b5e10;border-color:#c9922a73}.song-entry__badge--advanced{background:#dc645a33;color:#9a3028;border-color:#dc645a73}.song-entry__artist{font-size:clamp(1.05rem,2vw,1.2rem);color:#5c4a32;font-style:italic;line-height:1.45;margin:0 0 .65rem;word-break:break-word}[data-theme=dark] .song-entry__artist{color:#c9b896}.song-entry__meta{display:flex;flex-wrap:wrap;gap:.5rem 1rem;font-size:.95rem;font-weight:600;color:#6a5a42;font-variant-numeric:tabular-nums;padding-top:.65rem;border-top:1px dashed #d9cdb8}[data-theme=dark] .song-entry__meta{color:#b0a080;border-top-color:#5a5040}.song-entry__check{flex-shrink:0;width:1.75rem;height:1.75rem;border-radius:50%;border:2px solid #c9b896;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;color:transparent;margin-top:.15rem;transition:all .15s ease}.song-entry--selected .song-entry__check{background:#2d7a48;border-color:#2d7a48;color:#fff}.mode-panel{position:sticky;bottom:0;margin-top:1.5rem;z-index:5;animation:drawerSlide .35s var(--ease-out)}.mode-panel__frame{padding:3px;border-radius:calc(var(--radius-lg) + 3px);background:linear-gradient(135deg,var(--color-accent-amber) 0%,var(--color-accent-teal) 45%,var(--color-accent-violet) 100%);box-shadow:0 8px 32px color-mix(in srgb,var(--color-accent-amber) 28%,transparent),0 2px 8px #2a22181a}[data-theme=dark] .mode-panel__frame{box-shadow:0 8px 36px color-mix(in srgb,var(--color-accent-amber) 35%,transparent),0 2px 12px #00000059}.mode-panel__inner{position:relative;padding:2.75rem 1.5rem 1.5rem;background:var(--color-glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:2px solid color-mix(in srgb,var(--color-accent-amber) 55%,var(--color-bg-surface));border-radius:var(--radius-lg);box-shadow:var(--shadow-inset)}.mode-panel__close{position:absolute;top:.85rem;inset-inline-end:.85rem;display:inline-flex;align-items:center;gap:.35rem;padding:.4rem .7rem;background:var(--color-bg-surface);border:1.5px solid var(--color-border-strong);border-radius:999px;color:var(--color-text-secondary);font-size:.75rem;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:color var(--transition-fast),border-color var(--transition-fast),background var(--transition-fast),box-shadow var(--transition-fast);z-index:2}.mode-panel__close:hover{color:var(--color-accent-coral);border-color:var(--color-accent-coral);background:color-mix(in srgb,var(--color-accent-coral) 8%,var(--color-bg-surface));box-shadow:var(--shadow-sm)}.mode-panel__close svg{flex-shrink:0}.mode-panel__header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.25rem;padding-bottom:1.15rem;padding-inline-end:6.5rem;border-bottom:1px solid var(--color-border)}.mode-panel__eyebrow{display:block;font-size:.6875rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--color-accent);margin-bottom:.35rem}.mode-panel__title{font-family:var(--font-display);font-size:clamp(1.35rem,2.8vw,1.65rem);font-weight:600;color:var(--color-text-primary);line-height:1.2;margin-bottom:.25rem}.mode-panel__artist{font-size:1rem;color:var(--color-text-secondary);font-style:italic}.mode-panel__stats{display:flex;flex-direction:column;align-items:flex-end;gap:.3rem;flex-shrink:0;font-size:.8125rem;font-weight:600;color:var(--color-text-muted);font-variant-numeric:tabular-nums}.mode-cards{display:grid;grid-template-columns:1fr;gap:.75rem;margin-bottom:1.25rem}@media (min-width: 640px){.mode-cards{grid-template-columns:repeat(3,1fr);gap:.85rem}}.mode-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:.45rem;padding:1.15rem 1.15rem 1.2rem;background:var(--color-bg-surface);border:2px solid var(--color-border);border-radius:var(--radius-md);text-align:left;cursor:pointer;transition:border-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast),background var(--transition-fast);box-shadow:var(--shadow-sm);min-height:148px}.mode-card:hover{border-color:var(--color-border-strong);transform:translateY(-2px);box-shadow:var(--shadow-md)}.mode-card--guided{--mode-accent: var(--color-accent-teal)}.mode-card--solo{--mode-accent: var(--color-accent-amber)}.mode-card--duet{--mode-accent: var(--color-accent-violet)}.mode-card--rhythm{--mode-accent: var(--color-accent-amber)}.song-category-tabs{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.5rem}.song-cat-tab{padding:.35rem .65rem;border-radius:999px;border:1px solid rgba(120,100,70,.3);background:#ffffff73;font-size:.72rem;cursor:pointer}.song-cat-tab--active{border-color:var(--color-accent-teal, #2a9d8f);background:#2a9d8f24;font-weight:600}.song-entry__done{color:var(--color-accent-teal, #2a9d8f);font-weight:700;font-size:.72rem}.mode-card--active{border-color:var(--mode-accent);background:color-mix(in srgb,var(--mode-accent) 8%,var(--color-bg-surface));box-shadow:0 0 0 3px color-mix(in srgb,var(--mode-accent) 22%,transparent),var(--shadow-md);transform:translateY(-2px)}.mode-card__icon{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border-radius:10px;background:color-mix(in srgb,var(--mode-accent) 14%,transparent);color:var(--mode-accent)}.mode-card__icon svg{width:1.35rem;height:1.35rem}.mode-card__name{font-family:var(--font-display);font-size:1.125rem;font-weight:600;color:var(--color-text-primary);line-height:1.25}.mode-card__desc{font-size:.875rem;line-height:1.45;color:var(--color-text-secondary);flex:1}.mode-card__check{position:absolute;top:.85rem;right:.85rem;width:1.5rem;height:1.5rem;border-radius:50%;border:2px solid var(--color-border);display:flex;align-items:center;justify-content:center;color:transparent;transition:all var(--transition-fast)}.mode-card__check svg{width:.85rem;height:.85rem}.mode-card--active .mode-card__check{background:var(--mode-accent);border-color:var(--mode-accent);color:#fff}.mode-panel__cta{display:flex;align-items:center;justify-content:center;gap:.6rem;width:100%;padding:1rem 1.5rem;background:linear-gradient(135deg,var(--color-wood) 0%,var(--color-accent-amber) 100%);border:none;border-radius:var(--radius-md);color:#fff;font-family:var(--font-body);font-size:1.0625rem;font-weight:600;letter-spacing:.02em;box-shadow:0 4px 16px color-mix(in srgb,var(--color-accent-amber) 40%,transparent);transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.mode-panel__cta:hover{transform:translateY(-1px);box-shadow:0 6px 22px color-mix(in srgb,var(--color-accent-amber) 50%,transparent)}.mode-panel__cta:active{transform:translateY(0)}@keyframes entryFade{0%{opacity:0;transform:translate(-6px)}to{opacity:1;transform:translate(0)}}@keyframes drawerSlide{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 600px){.song-notebook__binding{width:18px}.song-notebook__ring{width:10px;height:10px}.song-notebook__paper{padding-left:2.25rem;background-image:linear-gradient(90deg,transparent 31px,#e8a0a0 31px,#e8a0a0 32px,transparent 32px),repeating-linear-gradient(transparent,transparent 27px,#d4e4f4 27px,#d4e4f4 28px)}.song-grid{grid-template-columns:1fr}.mode-panel__header{flex-direction:column;padding-inline-end:0}.mode-panel__stats{flex-direction:row;align-items:center;gap:.75rem}.mode-panel__close span{display:none}.mode-panel__inner{padding-top:2.5rem}}.key-firework{position:absolute;width:0;height:0;pointer-events:none;z-index:25;transform:translate(-50%,-50%)}.key-firework__flash{position:absolute;left:50%;top:50%;width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;background:radial-gradient(circle,#fff 0%,rgba(255,215,0,.9) 35%,transparent 70%);animation:fireworkFlash .45s ease-out forwards}.key-firework__ring{position:absolute;left:50%;top:50%;width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;border:2px solid rgba(255,215,0,.8);animation:fireworkRing .6s ease-out forwards}.key-firework__particle{position:absolute;left:0;top:0;width:var(--size, 5px);height:var(--size, 5px);margin:calc(var(--size, 5px) / -2) 0 0 calc(var(--size, 5px) / -2);border-radius:50%;background:var(--color);box-shadow:0 0 6px var(--color);animation:fireworkParticle .75s cubic-bezier(.15,.85,.35,1) forwards;animation-delay:var(--delay, 0s);opacity:0}.key-firework__sparkle{position:absolute;left:0;top:0;width:3px;height:3px;margin:-1.5px 0 0 -1.5px;border-radius:50%;background:#fff;box-shadow:0 0 4px var(--color);animation:fireworkSparkle .55s ease-out forwards;animation-delay:var(--delay, 0s);opacity:0}@keyframes fireworkFlash{0%{transform:scale(.2);opacity:1}40%{transform:scale(1.4);opacity:.9}to{transform:scale(2);opacity:0}}@keyframes fireworkRing{0%{transform:scale(.5);opacity:1}to{transform:scale(4);opacity:0}}@keyframes fireworkParticle{0%{transform:rotate(var(--angle)) translateY(0) scale(1);opacity:1}70%{opacity:1}to{transform:rotate(var(--angle)) translateY(calc(var(--burst-radius) * -1)) scale(.2);opacity:0}}@keyframes fireworkSparkle{0%{transform:rotate(var(--angle)) translateY(0) scale(0);opacity:0}20%{opacity:1;transform:rotate(var(--angle)) translateY(-8px) scale(1.2)}to{transform:rotate(var(--angle)) translateY(calc(var(--burst-radius) * -.65)) scale(0);opacity:0}}.current-note-staff{display:block;width:100%;height:100%}.current-note-staff__line,.current-note-staff__stem{stroke:#2c2418}.current-note-staff__clef{fill:#2c2418;font-family:Segoe UI Symbol,Noto Music,serif}.current-note-staff__label{font-family:var(--font-display);font-size:9px;font-weight:700;fill:#a86810}.current-note-staff__head{fill:#fffdf8;stroke:#c9922a;stroke-width:1.4}.current-note-staff__head--filled{fill:#c9922a;stroke:#a86810}[data-theme=dark] .current-note-staff__line,[data-theme=dark] .current-note-staff__stem{stroke:#e8dcc8}[data-theme=dark] .current-note-staff__clef{fill:#e8dcc8}[data-theme=dark] .current-note-staff__head{fill:#1a1612}[data-theme=dark] .current-note-staff__head--filled{fill:#c9922a}.piano-3d--fluid{width:100%;height:100%;min-height:0;max-height:100%;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-end;--key-h: 150px;--key-w: 46px;--fall-lane-height: 90px;--body-tilt: 5deg;--body-overlap: 10px}.piano-3d--fluid .piano-3d__keyboard-wrap{flex:0 1 auto;display:flex;flex-direction:column;min-height:0;width:100%;overflow:hidden}.piano-3d--fluid .piano-3d__body{flex:0 0 auto;display:flex;flex-direction:column;min-height:0;transform-style:preserve-3d;transform:rotateX(var(--body-tilt));transform-origin:50% 0%;margin-top:calc(-1 * var(--body-overlap))}.piano-3d--fluid .falling-lane{height:var(--fall-lane-height);min-height:0;max-height:var(--fall-lane-height);flex:0 0 auto;margin-bottom:calc(-1 * var(--body-overlap));z-index:3}.piano-3d--fluid .piano-3d__fallboard{flex:0 0 auto;height:8px}.piano-3d--fluid .piano-keys{height:var(--key-h);min-height:var(--key-h);max-height:var(--key-h);flex:0 0 auto;justify-content:center}.piano-3d--fluid .piano-3d__keybed{display:flex;flex-direction:column;align-items:center}.piano-3d--fluid .white-key{height:var(--key-h);max-height:var(--key-h)}.piano-3d--fluid .black-key{height:calc(var(--key-h) * .62);max-height:calc(var(--key-h) * .62)}.piano-3d--compact .piano-3d__bench{display:none}.piano-3d--compact .piano-3d__stand{transform:rotateX(4deg)}.piano-3d--compact .piano-3d__body{transform:rotateX(3deg);margin-top:calc(-1 * var(--body-overlap, 6px))}.piano-3d--compact .piano-3d__music-sheet{height:clamp(32px,4vh,44px)}.piano-3d--compact .piano-3d__pedals{padding:2px 0 0;gap:12px}.piano-3d--compact .piano-3d__pedals span{width:28px;height:7px}.piano-3d--compact .key-label{font-size:clamp(5px,1vh,8px)}.piano-3d--compact .key-label sub{font-size:clamp(4px,.8vh,6px)}.piano-3d--keys-only{justify-content:flex-end}.piano-3d--keys-only .piano-3d__body{transform:none;transform-origin:50% 0%;margin-top:0;width:100%}.piano-3d--keys-only .piano-3d__cheek{display:none}.piano-3d--keys-only .piano-3d__fallboard{height:6px}.piano-3d--keys-only .piano-3d__pedals{display:none}.piano-3d--keys-only .piano-3d__keyboard-wrap,.piano-3d--keys-only .piano-keys{width:100%}.piano-3d--fluid .key-fireworks-layer{top:8px;right:12px;left:12px;bottom:0}.piano-3d{--key-w: clamp(32px, 4.5vw, 50px);--key-h: clamp(140px, 20vw, 195px);--black-w: calc(var(--key-w) * .62);--black-h: calc(var(--key-h) * .62);--fall-lane-height: 160px;position:relative;width:fit-content;max-width:100%;display:flex;flex-direction:column;align-items:center;perspective:900px;perspective-origin:50% 60%;padding:0 0 1rem}.piano-3d__stand{width:min(200px,45%);margin-bottom:-4px;z-index:2;transform:rotateX(8deg)}.piano-3d__music-sheet{height:52px;background:linear-gradient(180deg,#fffef9,#f5f0e6);border:1px solid rgba(62,48,38,.15);border-radius:4px 4px 0 0;box-shadow:0 4px 12px #2a22181a;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:0 4px}.piano-3d__keyboard-wrap{position:relative;width:fit-content;max-width:100%;margin:0 auto;overflow:hidden}.piano-3d__body{position:relative;transform-style:preserve-3d;transform:rotateX(11deg);z-index:1}.piano-3d__case{position:relative;transform-style:preserve-3d}.piano-3d__cheek{position:absolute;top:0;bottom:0;width:22px;background:linear-gradient(180deg,#2a1c12,#120c08);z-index:0;pointer-events:none}.piano-3d__cheek--left{left:0;transform:rotateY(18deg);transform-origin:right center;border-radius:6px 0 0 8px;box-shadow:-4px 0 12px #00000040}.piano-3d__cheek--right{right:0;transform:rotateY(-18deg);transform-origin:left center;border-radius:0 6px 8px 0;box-shadow:4px 0 12px #00000040}.piano-3d__keybed{position:relative;z-index:1}.piano-3d__lip{position:absolute;left:8px;right:8px;bottom:-4px;height:8px;background:linear-gradient(180deg,#1a1008,#0a0604);border-radius:0 0 8px 8px;box-shadow:0 6px 16px #0000004d;pointer-events:none}.key-fireworks-layer{position:absolute;right:12px;bottom:0;left:12px;top:14px;pointer-events:none;z-index:20;overflow:visible}.piano-3d__fallboard{height:14px;background:linear-gradient(180deg,#3d2818,#1a1008);border-radius:8px 8px 0 0;box-shadow:0 -3px 10px #2a1a1059,inset 0 2px #ffffff0f}.falling-lane{position:relative;height:var(--fall-lane-height);margin:0 12px;overflow:hidden;pointer-events:none;z-index:2;border-radius:8px 8px 0 0;background:linear-gradient(180deg,rgba(0,0,0,.1) 0%,transparent 50%),repeating-linear-gradient(90deg,transparent 0,transparent calc(var(--key-w) - 1px),rgba(255,255,255,.05) calc(var(--key-w) - 1px),rgba(255,255,255,.05) var(--key-w));box-shadow:inset 0 0 30px #0000001f}[data-theme=light] .falling-lane{background:linear-gradient(180deg,rgba(201,146,42,.05) 0%,transparent 50%),repeating-linear-gradient(90deg,transparent 0,transparent calc(var(--key-w) - 1px),rgba(107,76,48,.05) calc(var(--key-w) - 1px),rgba(107,76,48,.05) var(--key-w))}.falling-lane__glow{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 80% 60% at 50% 100%,rgba(201,146,42,.12) 0%,transparent 70%)}.falling-lane__hit-line{position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent 0%,var(--color-accent-amber) 20%,var(--color-accent-amber) 80%,transparent 100%);box-shadow:0 0 12px var(--color-accent-glow),0 0 24px #c9922a40;animation:hitLinePulse 1.6s ease-in-out infinite}.falling-bar{position:absolute;top:0;height:var(--fall-bar-height, 48px);border-radius:6px 6px 3px 3px;pointer-events:none;z-index:10;background:linear-gradient(180deg,#c9922a14,#c9922a80 40%,#c9922afa);box-shadow:0 0 16px #c9922a80,inset 0 1px #ffffff4d;animation:noteFall linear infinite}.falling-bar--black{height:calc(var(--fall-bar-height, 48px) * .85);background:linear-gradient(180deg,#d4a84a1a,#d4a84a8c 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