:root{color-scheme:dark;--bg: #0d0f13;--panel: rgba(22,25,32,.9);--border: rgba(255,255,255,.09);--text: #e7e9ee;--muted: rgba(231,233,238,.55);--accent: #3b82f6}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overscroll-behavior:none}body{overflow:hidden}button{font-family:inherit}.btn{appearance:none;border:1px solid var(--border);background:#ffffff0d;color:var(--text);font-size:14px;font-weight:600;padding:9px 13px;border-radius:11px;cursor:pointer;line-height:1}.btn:active{transform:scale(.96)}.btn.on{background:var(--accent);border-color:var(--accent);color:#fff}.btn.ghost{background:transparent}.btn.icon{padding:9px 11px}#library{position:fixed;inset:0;overflow-y:auto;padding:max(20px,env(safe-area-inset-top)) 20px 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