:root{color:#fff;font-family:Inter,Roboto,Montserrat,Arial,sans-serif;background:#0e0e10}*{box-sizing:border-box}body{margin:0;background:#0e0e10;color:#fff}.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh;background:#0e0e10}.sidebar{background:#121216;border-right:1px solid #1f1f26;padding:20px 14px;position:sticky;top:0;height:100vh}.logo{font-size:24px;font-weight:800;margin:0 0 24px}.nav-item{width:100%;text-align:left;background:transparent;color:#c3c3c9;border:0;padding:10px 12px;border-radius:10px;margin-bottom:6px;cursor:pointer;position:relative;transition:all .2s ease}.nav-item.active{color:#fff;font-weight:700;background:#18181b}.nav-item.active:before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:99px;background:var(--accent)}.settings{margin-top:22px;padding:12px;background:#18181b;border-radius:12px}.settings h3{margin:0 0 10px;font-size:14px}.settings label{display:block;font-size:12px;color:#8a8a8a;margin-bottom:6px}.settings select{width:100%;background:#0e0e10;color:#fff;border:1px solid #2c2c34;border-radius:8px;padding:8px;margin-bottom:10px}.content{padding-bottom:118px}.header{position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0e0e10bf;border-bottom:1px solid #1f1f26;display:flex;justify-content:space-between;align-items:center;padding:14px 20px}.header-title{font-size:20px;font-weight:700}.avatar-wrap{position:relative}.avatar{width:34px;height:34px;border-radius:50%;border:0;background:linear-gradient(135deg,#2f2f36,#555);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;letter-spacing:.04em;color:#f1f1f1;cursor:pointer}.dropdown{position:absolute;top:42px;right:0;width:240px;background:#18181b;border:1px solid #2c2c34;border-radius:10px;padding:10px;display:grid;gap:8px}.dropdown input{width:100%;background:#111114;color:#fff;border:1px solid #2c2c34;border-radius:8px;padding:8px}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px}.auth-tabs button,.auth-btn{border:1px solid #2c2c34;background:#111114;color:#fff;border-radius:8px;padding:8px;cursor:pointer}.auth-tabs .active{border-color:var(--accent);color:var(--accent)}.account{color:#cfcfd5;font-size:14px}.main{padding:20px}.upload{display:inline-block;background:var(--accent);color:#fff;font-weight:700;border-radius:10px;padding:10px 14px;cursor:pointer;margin-bottom:18px}.upload:has(input:disabled){opacity:.5;cursor:not-allowed}.track-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}.track-card{background:#18181b;border-radius:14px;padding:10px;transition:transform .2s ease,box-shadow .2s ease}.track-card:hover{transform:scale(1.02);box-shadow:0 8px 24px #00000073}.cover{aspect-ratio:1/1;width:100%;border-radius:10px;background:linear-gradient(145deg,#202028,#111 70%);display:flex;align-items:flex-end;justify-content:flex-end;padding:10px}.play-float{width:40px;height:40px;border-radius:50%;border:0;background:var(--accent);color:#fff;cursor:pointer}.library{margin-top:24px;background:#141418;border:1px solid #252531;border-radius:12px;overflow:hidden}.row{display:grid;grid-template-columns:36px 48px 1fr 180px 90px 44px;gap:8px;align-items:center;padding:10px 12px;border-bottom:1px solid #20202a}.row.header-row{color:#8a8a8a;font-size:12px;text-transform:uppercase;letter-spacing:.04em}.row.track:hover{background:#2c2c2c}.row.active{background:#1a73e838}.mono{color:#8a8a8a;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.mini-cover{width:36px;height:36px;border-radius:7px;background:linear-gradient(135deg,#2b2b34,#111)}.track-title{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.track-artist,.duration{color:#8a8a8a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player{position:fixed;left:0;right:0;bottom:0;background:#121216;border-top:1px solid #252531;box-shadow:0 -8px 24px #00000073;padding:10px 14px;display:grid;grid-template-columns:minmax(220px,1fr) minmax(300px,1.4fr);gap:10px;align-items:center}.player-left{display:flex;gap:10px;align-items:center}.player-center{display:grid;gap:8px;justify-items:center}.player-controls{display:flex;gap:8px}.icon-btn{width:34px;height:34px;border-radius:50%;border:1px solid #2c2c34;background:#18181b;color:#fff;cursor:pointer}.icon-btn.primary{background:var(--accent);border-color:var(--accent)}.progress{display:flex;align-items:center;gap:8px;width:100%;max-width:520px;color:#8a8a8a;font-size:12px}.progress input{width:100%;accent-color:var(--accent)}.info{color:#8a8a8a}.toast{position:fixed;right:20px;bottom:20px;background:#2a1a1a;border:1px solid #ff8f8f;color:#ffd5d5;border-radius:10px;padding:10px 14px;z-index:1000}@media (max-width: 1199px){.app{grid-template-columns:200px 1fr}.logo{font-size:20px}.settings{display:block}}@media (max-width: 767px){.app{grid-template-columns:1fr}.sidebar{display:none}.row{grid-template-columns:28px 36px 1fr 34px}.row .hide-mobile{display:none}.player{grid-template-columns:1fr;gap:8px}}