:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:#0a0a0a;color:#fafafa}.app{min-height:100vh;display:flex;flex-direction:column}.header{text-align:center;padding:2.5rem 1.5rem 1rem}.logo{display:inline-flex;align-items:center;gap:.6rem;cursor:pointer;-webkit-user-select:none;user-select:none}.logo-icon{font-size:1.8rem;background:linear-gradient(135deg,#a855f7,#6366f1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:700}.logo-text{font-size:1.8rem;font-weight:700;letter-spacing:-.03em;background:linear-gradient(135deg,#a855f7,#6366f1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{margin-top:.25rem;font-size:.9rem;color:#ffffff73;letter-spacing:.04em}.mood-section{flex:1;max-width:780px;margin:0 auto;padding:1rem 1.5rem 2rem;width:100%}.section-title{font-size:1.35rem;font-weight:600;letter-spacing:-.02em;margin-bottom:.25rem}.section-desc{color:#ffffff80;font-size:.9rem;margin-bottom:1.5rem}.mood-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem}.mood-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.6rem;padding:2rem 1rem;border:none;border-radius:1rem;cursor:pointer;transition:transform .2s,box-shadow .2s;color:#fff;font-family:inherit;position:relative;overflow:hidden}.mood-card:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#0000;transition:background .2s;border-radius:inherit}.mood-card:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 12px 32px #0006}.mood-card:hover:after{background:#ffffff0f}.mood-card:active{transform:translateY(-1px) scale(.99)}.mood-emoji{font-size:2.2rem;position:relative;z-index:1}.mood-label{font-size:.95rem;font-weight:600;letter-spacing:.01em;position:relative;z-index:1;text-shadow:0 1px 3px rgba(0,0,0,.3)}.detail-section{flex:1;max-width:700px;margin:0 auto;padding:0 1.5rem 2rem;width:100%;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.back-btn{background:none;border:1px solid rgba(255,255,255,.12);color:#fff9;padding:.45rem 1rem;border-radius:2rem;cursor:pointer;font-size:.82rem;font-family:inherit;transition:all .15s;margin-bottom:1.25rem}.back-btn:hover{background:#ffffff0f;color:#fff}.mood-hero{display:flex;align-items:center;gap:1.25rem;padding:1.75rem 2rem;border-radius:1rem;margin-bottom:1.5rem}.hero-emoji{font-size:3rem}.hero-title{font-size:1.6rem;font-weight:700;letter-spacing:-.02em}.hero-desc{font-size:.9rem;color:#fffc;margin-top:.15rem}.playlist-tabs{display:flex;gap:.5rem;margin-bottom:1.25rem;flex-wrap:wrap}.playlist-tab{padding:.5rem 1.1rem;border:1px solid rgba(255,255,255,.12);border-radius:2rem;background:transparent;color:#ffffff8c;font-size:.82rem;font-family:inherit;cursor:pointer;transition:all .15s}.playlist-tab:hover{background:#ffffff0f;color:#fff}.playlist-tab.active{background:#ffffff1f;color:#fff;border-color:#fff3}.playlist-content{animation:fadeIn .25s ease}.playlist-name{font-size:1.15rem;font-weight:600;letter-spacing:-.01em}.playlist-desc{font-size:.85rem;color:#ffffff73;margin-top:.1rem;margin-bottom:1rem}.song-list{list-style:none}.song-row{display:flex;align-items:center;gap:1rem;padding:.75rem;border-radius:.5rem;cursor:pointer;transition:background .15s}.song-row:hover{background:#ffffff0d}.song-row.playing{background:#a855f71f}.song-index{width:2rem;text-align:center;font-size:.82rem;color:#ffffff59;font-variant-numeric:tabular-nums;flex-shrink:0}.song-row.playing .song-index{color:#a855f7}.eq-bars{display:inline-flex;align-items:flex-end;gap:2px;height:14px}.eq-bars span{display:block;width:3px;background:#a855f7;border-radius:1px;animation:eqBounce .6s ease-in-out infinite alternate}.eq-bars span:nth-child(1){height:6px;animation-delay:0s}.eq-bars span:nth-child(2){height:10px;animation-delay:.15s}.eq-bars span:nth-child(3){height:4px;animation-delay:.3s}@keyframes eqBounce{0%{height:4px}to{height:14px}}.song-info{flex:1;min-width:0;display:flex;flex-direction:column}.song-title{font-size:.92rem;font-weight:500;color:#fafafa;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.song-row.playing .song-title{color:#a855f7}.song-artist{font-size:.8rem;color:#fff6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.song-duration{font-size:.8rem;color:#ffffff40;flex-shrink:0}.footer{text-align:center;padding:1.5rem;font-size:.75rem;color:#fff3;letter-spacing:.03em}@media(max-width:500px){.mood-grid{grid-template-columns:repeat(2,1fr)}.mood-card{padding:1.5rem .75rem}.mood-hero{flex-direction:column;text-align:center;padding:1.5rem}.hero-emoji{font-size:2.5rem}}