:root{
  --bg:#090909;
  --bg2:#121212;
  --card:#181818;
  --card-hover:#252525;
  --surface:#1a1a2e;
  --muted:#a7a7a7;
  --text:#fff;
  --text2:#b3b3b3;
  --line:#2a2a2a;
  --green:#1db954;
  --green-light:#1ed760;
  --green-dim:rgba(29,185,84,0.12);
  --radius:8px;
}

/* === Reset === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
button,input,textarea,select{font:inherit;color:inherit}
button{appearance:none;-webkit-appearance:none;background:none;border:none;cursor:pointer}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}

html,body{height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5}

/* === App shell === */
.app{display:flex;flex-direction:column;height:100vh}
.app-body{display:flex;flex:1;overflow:hidden}

/* === Sidebar === */
.sidebar{width:220px;background:var(--bg);display:flex;flex-direction:column;padding:16px 8px;flex-shrink:0;overflow-y:auto}

.sb-brand{display:flex;align-items:center;gap:10px;padding:4px 12px 20px}
.sb-brand .logo{font-size:22px}
.sb-brand h1{font-size:20px;font-weight:700;letter-spacing:-.5px}
.sb-brand .g{color:var(--green)}

.sb-nav{display:flex;flex-direction:column;gap:2px}
.sb-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius);color:var(--muted);font-size:13px;font-weight:600;transition:all .15s;white-space:nowrap}
.sb-item:hover{color:var(--text);background:var(--card)}
.sb-item.active{color:var(--text);background:var(--card-hover)}
.sb-item .ic{width:20px;text-align:center;font-size:16px}
.sb-sep{height:1px;background:var(--line);margin:10px 4px}

/* === Main content === */
.content{flex:1;overflow-y:auto;background:linear-gradient(180deg,#1a1a2e 0%,var(--bg2) 280px);padding:20px 28px 100px}

.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:12px;flex-wrap:wrap}
.page-head h2{font-size:22px;font-weight:700;white-space:nowrap}

.sort-bar{display:flex;align-items:center;gap:4px;overflow-x:auto;flex-shrink:0}
.sort-btn{padding:6px 14px;border-radius:16px;font-size:12px;font-weight:600;color:var(--muted);transition:all .15s;white-space:nowrap}
.sort-btn:hover{color:var(--text);background:var(--card)}
.sort-btn.active{color:var(--text);background:var(--card-hover)}

/* === Buttons === */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:7px 18px;border:1px solid var(--line);border-radius:20px;color:var(--text);font-size:12px;font-weight:600;background:transparent;transition:all .15s}
.btn:hover{border-color:var(--text);transform:scale(1.03)}
.btn.primary{background:var(--green);color:#000;border-color:var(--green)}
.btn.primary:hover{background:var(--green-light);border-color:var(--green-light)}
.btn:disabled{opacity:.4;cursor:default;transform:none}

/* === Identity bar === */
.id-bar{background:var(--card);border-radius:var(--radius);padding:12px 16px;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.id-left{display:flex;align-items:center;gap:10px}
.id-avatar{width:32px;height:32px;background:var(--green-dim);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.id-name{font-size:13px;font-weight:600}
.id-meta{font-size:11px;color:var(--muted)}
.id-actions{display:flex;gap:6px}

/* === Leaderboard (table) === */
.lb-head{display:grid;grid-template-columns:36px 1fr 72px 56px 44px;gap:8px;padding:8px 12px;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;border-bottom:1px solid var(--line);margin-bottom:2px}
.lb-head span:nth-child(3){text-align:right}
.lb-head span:nth-child(4){text-align:right}

.lb-row{display:grid;grid-template-columns:36px 1fr 72px 56px 44px;gap:8px;align-items:center;padding:8px 12px;border-radius:var(--radius);transition:background .15s;cursor:pointer}
.lb-row:hover{background:var(--card)}
.lb-row.playing{background:var(--green-dim);border-left:3px solid var(--green)}
.lb-row.playing .lb-title{color:var(--green)}
.lb-row.playing .lb-play{color:var(--green)}
.lb-rank{color:var(--muted);font-size:14px;text-align:right;font-weight:500}
.lb-info{min-width:0}
.lb-title{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-artist{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-elo{color:var(--green);font-size:13px;font-weight:600;text-align:right}
.lb-votes{color:var(--muted);font-size:12px;text-align:right}
.lb-play{color:var(--muted);font-size:15px;padding:4px 6px;border-radius:50%;transition:all .15s}
.lb-play:hover{color:var(--green);background:var(--green-dim)}

/* === Card grid (new tracks) === */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px}

.t-card{background:var(--card);border-radius:var(--radius);padding:14px;transition:all .2s;cursor:default;border:2px solid transparent}
.t-card:hover{background:var(--card-hover)}
.t-card:hover .fab{opacity:1;transform:translateY(0)}
.t-card.playing{border-color:var(--green);background:var(--green-dim)}
.t-card.playing .t-name{color:var(--green)}
.t-card.playing .fab{opacity:1;transform:translateY(0)}

.t-art{width:100%;aspect-ratio:1;border-radius:6px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;position:relative;overflow:hidden}
.t-art .emoji{font-size:40px;opacity:.6}
.fab{position:absolute;bottom:6px;right:6px;width:36px;height:36px;border-radius:50%;background:var(--green);color:#000;font-size:14px;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(6px);transition:all .2s;box-shadow:0 4px 12px rgba(0,0,0,.5)}
.fab:hover{background:var(--green-light);transform:scale(1.08)}

.t-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.t-by{font-size:12px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.t-stats{font-size:11px;color:var(--muted);margin-top:5px;display:flex;gap:8px}
.t-stats .elo{color:var(--green);font-weight:600}

/* === Vote === */
.vote-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:12px}
@media(max-width:700px){.vote-grid{grid-template-columns:1fr}}

.v-card{background:var(--card);border-radius:12px;padding:20px;text-align:center;border:2px solid transparent;transition:all .2s}
.v-card:hover{border-color:var(--green);box-shadow:0 0 24px rgba(29,185,84,.08)}
.v-art{width:140px;height:140px;margin:0 auto 14px;border-radius:8px;display:flex;align-items:center;justify-content:center}
.v-art .emoji{font-size:52px;opacity:.5}
.v-title{font-size:16px;font-weight:600;margin-bottom:4px}
.v-meta{font-size:12px;color:var(--muted);margin-bottom:14px}
.v-actions{display:flex;gap:8px;justify-content:center}

/* === Forms === */
.input{width:100%;background:var(--card-hover);border:1px solid var(--line);border-radius:var(--radius);color:var(--text);padding:9px 12px;font-size:13px;transition:border .15s}
.input:focus{outline:none;border-color:var(--green)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px}
.lbl{display:block;margin:12px 0 5px;color:var(--muted);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:800px){.grid2{grid-template-columns:1fr}}

/* === Code === */
.code{background:#0d1117;border:1px solid var(--line);border-radius:var(--radius);padding:12px;overflow-x:auto;color:var(--text2);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:11.5px;line-height:1.6;white-space:pre-wrap}

/* === About === */
.about p{margin:6px 0;line-height:1.7;color:var(--text2)}
.about strong{color:var(--green)}
.about em{color:#7dd3fc;font-style:normal}
.about ol,.about ul{margin:8px 0;padding-left:20px;line-height:1.9;color:var(--text2)}
.about li{margin:3px 0}
.h3{margin:16px 0 8px;font-size:13px;color:var(--green);font-weight:700;text-transform:uppercase;letter-spacing:.5px}

/* === Player bar === */
.player{height:64px;background:var(--card);border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 16px;flex-shrink:0}
.pl-info{display:flex;align-items:center;gap:10px;min-width:0;flex:1}
.pl-art{width:40px;height:40px;background:var(--surface);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.pl-text{min-width:0}
.pl-name{font-size:12px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pl-by{font-size:11px;color:var(--muted)}
.pl-ctrl{display:flex;align-items:center;gap:12px;flex:1;justify-content:center}
.pl-btn{color:var(--muted);font-size:18px;padding:6px;border-radius:50%;transition:color .15s}
.pl-btn:hover{color:var(--text)}
.pl-btn.main{background:var(--text);color:var(--bg);width:32px;height:32px;border-radius:50%;font-size:14px;display:flex;align-items:center;justify-content:center}
.pl-btn.main:hover{transform:scale(1.06)}
.pl-right{flex:1;display:flex;justify-content:flex-end;gap:8px}

/* === Misc === */
.muted{color:var(--muted)}
.small{font-size:12px}
.status{margin-top:8px;font-size:12px;color:var(--muted)}
.hidden{display:none !important}
.tabpane{display:none}
.tabpane.active{display:block}

.json-panel{position:fixed;bottom:64px;right:12px;width:400px;max-height:50vh;overflow:auto;z-index:30;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:10px;display:none}

/* === Responsive === */
@media(max-width:768px){
  .sidebar{display:none}
  .mob-nav{display:flex !important}
  .content{padding:14px 12px 90px}
  .card-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
  .lb-head,.lb-row{grid-template-columns:28px 1fr 54px 36px}
  .lb-head span:nth-child(5),.lb-row>:nth-child(5){display:none}
  .lb-title{font-size:12px}
  .lb-artist{font-size:10px}
  .lb-elo{font-size:12px}
  .page-head h2{font-size:18px}
  .page-head{gap:8px}
  .sort-bar{gap:2px}
  .sort-btn{padding:5px 10px;font-size:11px}
  .id-bar{padding:10px 12px;flex-direction:column;align-items:stretch;gap:8px}
  .v-card{padding:14px}
  .v-art{width:100px;height:100px}
  .v-art .emoji{font-size:36px}
  .v-title{font-size:14px}
  .v-meta{font-size:11px;margin-bottom:10px}
  .v-actions{flex-wrap:wrap}
  .grid2{gap:12px}
  .code{font-size:10.5px;padding:10px}
  .json-panel{left:8px;right:8px;width:auto;bottom:64px;max-height:40vh}
  .player{padding:0 10px;height:60px}
  .pl-art{width:36px;height:36px;font-size:15px}
  .pl-name{font-size:11px}
  .pl-by{font-size:10px}
  .pl-right .btn{display:none}
  .h3{font-size:12px}
}

@media(max-width:380px){
  .card-grid{grid-template-columns:1fr 1fr;gap:8px}
  .t-card{padding:10px}
  .t-art .emoji{font-size:30px}
  .t-name{font-size:12px}
  .vote-grid{gap:10px}
}

.mob-nav{display:none;background:var(--card);gap:2px;padding:6px 8px;overflow-x:auto;border-bottom:1px solid var(--line);flex-shrink:0;-webkit-overflow-scrolling:touch}
.mob-nav .sb-item{padding:7px 10px;font-size:12px;flex-shrink:0}