:root{--color-royal-blue:#1a237e;--color-royal-blue-light:#283593;--color-apple-red:#c62828;--color-apple-red-light:#e53935;--color-golden-yellow:#f9a825;--color-golden-yellow-light:#fdd835;--color-snow-white:#fafafa;--color-forest-green:#1b5e20;--color-enchanted-purple:#4a148c;--bg-primary:linear-gradient(170deg, #0d1442 0%, #1a237e 30%, #283593 60%, #1a3a5c 100%);--bg-card:#ffffff1a;--bg-card-hover:#ffffff2e;--bg-search:#ffffff1f;--font-primary:"Nunito", sans-serif;--font-accent:"Dancing Script", cursive;--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--radius-xl:32px;--radius-full:9999px;--shadow-glow:0 0 20px #f9a8254d;--shadow-card:0 4px 24px #0003;--shadow-card-hover:0 8px 32px #0000004d;--transition-fast:.15s ease;--transition-normal:.3s ease;--transition-slow:.5s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-primary);background:var(--bg-primary);color:var(--color-snow-white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100dvh;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;background-image:radial-gradient(1px 1px at 10% 20%,#ffffff80 50%,#0000 50%),radial-gradient(1px 1px at 40% 70%,#fff6 50%,#0000 50%),radial-gradient(1.5px 1.5px at 60% 10%,#fff9 50%,#0000 50%),radial-gradient(1px 1px at 80%,#ffffff4d 50%,#0000 50%),radial-gradient(1.5px 1.5px at 25% 85%,#ffffff80 50%,#0000 50%),radial-gradient(1px 1px at 90% 30%,#fff6 50%,#0000 50%),radial-gradient(1px 1px at 50% 40%,#ffffff4d 50%,#0000 50%),radial-gradient(1.5px 1.5px at 70% 80%,#ffffff80 50%,#0000 50%);width:100%;height:100%;animation:4s ease-in-out infinite alternate twinkle;position:fixed;top:0;left:0}@keyframes twinkle{0%{opacity:.4}to{opacity:1}}#app{z-index:1;max-width:600px;padding:0 var(--space-md);padding-bottom:var(--space-2xl);margin:0 auto;position:relative}#header{text-align:center;padding:var(--space-xl) 0 var(--space-lg);position:relative}.title{align-items:center;gap:var(--space-xs);flex-direction:column;display:flex}.title-icon{filter:drop-shadow(0 0 10px #f9a82599);font-size:2.5rem;animation:3s ease-in-out infinite float}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.title-main{letter-spacing:.02em;text-shadow:0 2px 10px #0000004d;font-size:1.6rem;font-weight:800}.title-main em{font-family:var(--font-accent);color:var(--color-golden-yellow);filter:drop-shadow(0 0 8px #f9a82580);font-size:2rem;font-style:normal}.title-sub{color:var(--color-golden-yellow-light);letter-spacing:.15em;text-transform:uppercase;font-size:1rem;font-weight:600}#search-area{margin-bottom:var(--space-lg)}.search-mirror{position:relative}.mirror-frame{background:var(--bg-search);-webkit-backdrop-filter:blur(16px);border-radius:var(--radius-xl);padding:var(--space-xs);box-shadow:var(--shadow-glow);transition:border-color var(--transition-normal), box-shadow var(--transition-normal);border:1.5px solid #f9a8254d}.mirror-frame:focus-within{border-color:var(--color-golden-yellow);box-shadow:0 0 30px #f9a82573}.search-input-wrapper{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);display:flex}.search-icon{opacity:.7;flex-shrink:0;font-size:1.2rem}#search-input{font-family:var(--font-primary);color:var(--color-snow-white);caret-color:var(--color-golden-yellow);background:0 0;border:none;outline:none;flex:1;font-size:1.05rem;font-weight:600}#search-input::placeholder{color:#ffffff73;font-weight:400}.clear-btn{border-radius:var(--radius-full);cursor:pointer;width:36px;height:36px;transition:background var(--transition-fast), transform var(--transition-fast);background:#c6282840;border:none;flex-shrink:0;justify-content:center;align-items:center;font-size:1.1rem;display:flex}.clear-btn:hover{background:#c6282880;transform:scale(1.1)}.clear-btn:active{transform:scale(.95)}.result-count{text-align:center;color:#ffffff80;margin-top:var(--space-sm);font-size:.8rem;font-weight:600}.state-message{padding:var(--space-2xl) var(--space-md);text-align:center;animation:fadeIn var(--transition-slow);flex-direction:column;justify-content:center;align-items:center;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.state-emoji{margin-bottom:var(--space-md);font-size:4rem;animation:3s ease-in-out infinite float}.state-text{color:#ffffffd9;margin-bottom:var(--space-xs);font-size:1.15rem;font-weight:700}.state-subtext{color:#ffffff80;max-width:280px;font-size:.9rem;font-weight:400}.spinner{border:3px solid #ffffff26;border-top-color:var(--color-golden-yellow);width:40px;height:40px;margin-bottom:var(--space-md);border-radius:50%;animation:.8s linear infinite spin}.spinner.small{width:24px;height:24px;margin:var(--space-md) auto;border-width:2px}@keyframes spin{to{transform:rotate(360deg)}}.song-list{gap:var(--space-sm);flex-direction:column;display:flex}.song-card{background:var(--bg-card);-webkit-backdrop-filter:blur(10px);border-radius:var(--radius-md);padding:var(--space-md);align-items:center;gap:var(--space-md);transition:background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);animation:slideUp var(--transition-normal);will-change:transform;border:1px solid #ffffff14;display:flex}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.song-card:hover{background:var(--bg-card-hover);box-shadow:var(--shadow-card-hover);border-color:#f9a82533;transform:translateY(-1px)}.song-card:active{transform:scale(.99)}.song-code{min-width:64px;padding:var(--space-xs) var(--space-sm);background:linear-gradient(135deg, var(--color-apple-red), var(--color-apple-red-light));border-radius:var(--radius-sm);text-align:center;flex-shrink:0;box-shadow:0 2px 8px #c628284d}.song-code-label{text-transform:uppercase;letter-spacing:.1em;color:#ffffffb3;margin-bottom:1px;font-size:.55rem;font-weight:600;display:block}.song-code-value{letter-spacing:.05em;color:#fff;font-variant-numeric:tabular-nums;font-size:1.1rem;font-weight:900;display:block}.song-info{flex:1;min-width:0}.song-title{color:#fffffff2;white-space:nowrap;text-overflow:ellipsis;font-size:.95rem;font-weight:700;line-height:1.3;overflow:hidden}.song-artist{color:#ffffff80;white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:.8rem;font-weight:400;line-height:1.3;overflow:hidden}.scroll-sentinel{padding:var(--space-md);justify-content:center;display:flex}.hidden{display:none!important}.toast{bottom:var(--space-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-full);z-index:100;transition:transform var(--transition-normal);pointer-events:none;background:#c62828e6;font-size:.85rem;font-weight:600;position:fixed;left:50%;transform:translate(-50%)translateY(100px);box-shadow:0 4px 20px #0000004d}.toast.visible{transform:translate(-50%)translateY(0)}@media (width<=380px){.title-main{font-size:1.3rem}.title-main em{font-size:1.7rem}.song-code{min-width:56px}.song-code-value{font-size:1rem}}