:root{
  --ember:#E08A3C; --ember-deep:#C9742B; --ember-ink:#3a1f06;
  --parchment:#F6F1E7; --ink:#1C1A17; --clay:#9A8B72;
  --bg:var(--parchment); --panel:#FFFFFF; --line:#E4DBC9;
  --text:var(--ink); --muted:var(--clay); --accent:var(--ember);
  --accent-deep:var(--ember-deep); --accent-ink:#FFFFFF;
  --danger:#C45B4F;
  --display:'Fraunces','Georgia',serif;
  --body:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}
  *{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;}
  html,body{height:100%;}
  body{
    background:var(--bg); color:var(--text); font-family:var(--body);
    overscroll-behavior:none; overflow:hidden;
  }
  .hidden{display:none !important;}

  /* ---------- LIBRARY / BUILDER ---------- */
  #builder{height:100%;display:none;flex-direction:column;}
  body.authed #builder{display:flex;}
  header.top{
    padding:16px 18px 14px; border-bottom:1px solid var(--line);
    display:flex;align-items:center;gap:12px; background:var(--panel);
  }
  header.top .mark{width:34px;height:34px;flex:none;}
  header.top h1{
    font-family:var(--display); font-weight:600; font-size:25px; letter-spacing:-.3px;
    color:var(--ink);
  }
  header.top h1 span{color:var(--accent-deep);}
  .sub{color:var(--muted);font-size:13px;margin-left:auto;}
  .userbox{display:none;align-items:center;gap:10px;margin-left:16px;}
  body.authed .userbox{display:flex;}
  .userbox #userlabel{font-size:13px;color:var(--muted);max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .userbox #logout{padding:7px 12px;font-size:13px;font-weight:600;}

  /* ---------- AUTH GATE ---------- */
  #authgate{position:fixed;inset:0;z-index:80;background:var(--parchment);
    overflow-y:auto;-webkit-overflow-scrolling:touch;}
  body.authed #authgate{display:none;}
  body.booting #authgate{display:none;}
  /* ---- share viewer ---- */
  #shareauth{position:fixed;inset:0;z-index:80;
    background:radial-gradient(120% 90% at 50% 0%, rgba(224,138,60,.16), rgba(246,241,231,0) 60%), var(--parchment);
    display:flex;align-items:center;justify-content:center;padding:24px;}
  body.viewing #shareauth{display:none;}
  body.booting #shareauth{display:none;}
  #shareauth .auth-card{box-shadow:0 18px 50px rgba(28,26,23,.10);border-radius:18px;padding:36px 30px 28px;}
  #shareauth .auth-mark{width:58px;height:58px;margin-bottom:14px;}
  #shareauth .auth-tag{margin:8px 0 22px;line-height:1.5;}
  .auth-field{display:block;text-align:left;margin-bottom:14px;}
  .auth-label{display:block;font-size:12px;font-weight:600;letter-spacing:.5px;
    text-transform:uppercase;color:var(--muted);margin-bottom:7px;}
  .auth-foot{margin-top:14px;font-size:13px;color:var(--muted);}
  #shareview{height:100%;display:none;flex-direction:column;}
  body.viewing #shareview{display:flex;}
  .share-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:20px;}
  .share-intro{padding:16px 16px 4px;color:var(--muted);font-size:14px;}
  .share-search{padding:8px 16px 4px;}
  .share-search.hidden{display:none;}
  .share-search input{width:100%;background:var(--panel);border:1px solid var(--line);
    color:var(--text);padding:11px 14px;border-radius:10px;font-size:15px;outline:none;}
  .share-search input:focus{border-color:var(--accent);}
  #sv-pin{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);
    padding:15px 14px;border-radius:12px;font-size:22px;outline:none;
    font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;font-weight:600;
    text-transform:uppercase;letter-spacing:6px;text-align:center;transition:border-color .15s,box-shadow .15s;}
  #sv-pin::placeholder{font-family:var(--body);font-weight:400;letter-spacing:.5px;text-transform:none;
    color:var(--muted);opacity:.7;}
  #sv-pin:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(224,138,60,.16);}
  #shareview .item .ix{color:var(--accent);font-size:15px;cursor:pointer;}
  .setrow-actions{display:flex;align-items:center;gap:8px;flex:none;}
  .setact{display:inline-flex;align-items:center;gap:6px;cursor:pointer;font-family:var(--body);
    font-size:14px;font-weight:600;border-radius:9px;border:1px solid var(--line);
    background:var(--panel);color:var(--accent-deep);padding:8px 10px;}
  .setact:active{background:var(--bg);}
  .setact:disabled{opacity:.4;cursor:default;}
  .setact-dl{padding:8px;}
  .setact-open{background:var(--accent);border-color:var(--accent);color:#fff;padding:8px 14px;}
  .setact-open:active{background:var(--accent-deep);}
  .setact svg{display:block;}
  .setblock{margin-bottom:2px;}
  .setexpand{display:inline-flex;align-items:center;gap:5px;background:var(--panel);
    border:1px solid var(--line);color:var(--accent-deep);font-family:var(--body);
    font-size:13px;font-weight:600;line-height:1;padding:7px 11px;border-radius:9px;
    cursor:pointer;flex:none;margin-right:10px;}
  .setexpand:active,.setexpand.on{background:var(--bg);border-color:var(--accent);}
  .setexpand-chev{font-size:11px;}
  .share-libbar{display:flex;justify-content:flex-end;padding:0 16px 8px;}
  .share-libbar.hidden{display:none;}
  .setsongs{padding:2px 16px 14px 40px;}
  .setsongs.hidden{display:none;}
  .songlist{list-style:none;margin:0 0 12px;padding:0;}
  .songlist li{font-size:15px;color:var(--text);padding:4px 0;border-bottom:1px solid var(--line);
    display:flex;gap:8px;}
  .songlist li:last-child{border-bottom:none;}
  .songlist .sn{color:var(--muted);font-variant-numeric:tabular-nums;min-width:22px;}
  .songlist-actions{display:flex;gap:8px;flex-wrap:wrap;}
  .songlist-actions .ghost{background:var(--panel);border:1px solid var(--line);color:var(--accent-deep);
    font-family:var(--body);font-size:13px;font-weight:600;padding:8px 14px;border-radius:9px;cursor:pointer;}
  .songlist-actions .ghost:active{background:var(--bg);}
  .songlist-empty{font-size:14px;color:var(--muted);padding:2px 0 8px;}
  /* boot splash: shown until we know whether the user is logged in */
  #bootsplash{position:fixed;inset:0;z-index:90;background:var(--parchment);
    display:none;align-items:center;justify-content:center;}
  body.booting #bootsplash{display:flex;}
  #bootsplash svg{width:54px;height:54px;opacity:.5;animation:bootpulse 1.2s ease-in-out infinite;}
  @keyframes bootpulse{0%,100%{opacity:.35;}50%{opacity:.7;}}

  /* ---------- LANDING PAGE ---------- */
  .landing{max-width:1080px;margin:0 auto;padding:0 22px 40px;}
  .landing-nav{display:flex;align-items:center;justify-content:space-between;padding:20px 0;}
  .landing-brand{display:flex;align-items:center;gap:13px;font-family:var(--display);
    font-size:28px;font-weight:600;color:var(--ink);}
  .landing-brand svg{width:42px;height:42px;}
  .landing-brand .accent{color:var(--accent-deep);}
  .landing-signin-link{padding:9px 16px;font-size:14px;}
  .nav-actions{display:flex;align-items:center;gap:10px;}
  .nav-actions button{padding:9px 16px;font-size:14px;}
  /* view-a-shared-set modal */
  #viewpinmodal,#forgotmodal{position:fixed;inset:0;z-index:85;background:rgba(28,26,23,.55);
    display:flex;align-items:center;justify-content:center;padding:20px;}
  #viewpinmodal.hidden,#forgotmodal.hidden{display:none;}
  .viewpin-card{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--line);
    border-radius:16px;padding:22px 22px 24px;}
  .viewpin-head{display:flex;align-items:center;justify-content:space-between;
    font-family:var(--display);font-size:19px;color:var(--ink);margin-bottom:10px;}
  .viewpin-head .panel-close{background:var(--bg);color:var(--muted);width:30px;height:30px;
    border-radius:8px;font-size:14px;}
  .viewpin-hint{font-size:14px;color:var(--muted);line-height:1.5;margin-bottom:16px;}
  #viewpin-input,#forgot-email{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);
    padding:13px 14px;border-radius:10px;font-size:16px;outline:none;margin-bottom:10px;}
  #viewpin-input{font-size:18px;letter-spacing:3px;text-align:center;text-transform:uppercase;}
  #viewpin-input:focus,#forgot-email:focus{border-color:var(--accent);}
  .viewpin-msg{color:var(--danger);font-size:13px;min-height:18px;margin-bottom:8px;}
  .viewpin-card .primary{width:100%;padding:13px;font-size:15px;}
  @media (max-width:520px){
    .nav-actions{gap:6px;}
    .nav-actions button{padding:8px 11px;font-size:13px;}
  }
  .landing-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;
    padding:36px 0 48px;}
  .landing-hero-text h1{font-family:var(--display);font-weight:600;font-size:42px;line-height:1.1;
    letter-spacing:-.5px;color:var(--ink);margin-bottom:18px;}
  .landing-hero-text h1 .accent{color:var(--accent-deep);}
  .lede{font-size:18px;line-height:1.55;color:#5c5347;margin-bottom:26px;max-width:520px;}
  .landing-cta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
  .landing-cta .primary{padding:15px 26px;font-size:16px;font-family:var(--display);}
  .landing-tag{color:var(--muted);font-size:13px;letter-spacing:.5px;}
  .landing-features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:8px 0 36px;}
  /* showcase mockups */
  .landing-showcase{padding:14px 0 34px;}
  .showcase-sub{text-align:center;color:var(--muted);font-size:15px;margin:-8px 0 22px;}
  .showcase-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;max-width:760px;margin:0 auto;}
  .mockup{margin:0;text-align:center;}
  .tablet{background:#1C1A17;border-radius:16px;padding:10px;box-shadow:0 14px 36px rgba(28,26,23,.18);}
  .tablet svg{display:block;width:100%;height:auto;border-radius:7px;}
  .mockup figcaption{margin-top:12px;font-size:14px;color:#5c5347;font-weight:600;}
  .feature{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;}
  .feature-icon{margin-bottom:12px;}
  .feature-icon svg{width:44px;height:44px;display:block;}
  .feature-icon .ic-bg{fill:#FBEBD6;}
  .feature-icon .ic-fg{fill:var(--ember);}
  .feature-icon .ic-fg2{fill:var(--ember-deep);}
  /* who-it's-for section */
  .landing-uses{padding:4px 0 30px;}
  .section-title{font-family:var(--display);font-size:22px;color:var(--ink);
    text-align:center;margin-bottom:18px;font-weight:600;}
  .uses-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
  .use-chip{background:var(--panel);border:1px solid var(--line);border-radius:999px;
    padding:9px 16px;font-size:14px;color:var(--ink);display:inline-flex;align-items:center;gap:8px;}
  .use-chip svg{width:18px;height:18px;flex:none;}
  .feature h3{font-family:var(--display);font-size:18px;color:var(--ink);margin-bottom:6px;}
  .feature p{font-size:14px;line-height:1.5;color:#5c5347;}
  .landing-foot{display:flex;flex-direction:column;align-items:center;gap:14px;
    color:var(--muted);font-size:13px;text-align:center;
    padding-top:28px;margin-top:8px;border-top:1px solid var(--line);}
  .foot-legal{display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:center;}
  .foot-legal a{color:var(--accent-deep);text-decoration:none;}
  .foot-legal a:hover{text-decoration:underline;}
  .foot-copy{display:flex;flex-direction:column;gap:3px;line-height:1.5;}
  .foot-copy a{color:var(--accent);text-decoration:none;}
  .foot-copy a:hover{text-decoration:underline;}
  .landing-foot .foot-ver{font-variant-numeric:tabular-nums;opacity:.7;}

  /* ---------- LEGAL PAGES ---------- */
  .legal-body{background:var(--parchment);overflow-y:auto !important;height:auto !important;min-height:100%;}
  .legal-wrap{max-width:760px;margin:0 auto;padding:0 22px 40px;}
  .legal-nav{display:flex;align-items:center;justify-content:space-between;padding:20px 0;}
  .legal-nav .landing-brand{text-decoration:none;}
  .legal-home{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;font-size:14px;
    font-weight:600;text-decoration:none;border:1px solid var(--line);border-radius:9px;
    background:var(--panel);color:var(--ink);}
  .legal-home svg{width:17px;height:17px;color:var(--accent-deep);}
  .legal-home:hover{border-color:var(--accent);}
  .legal-home:active{background:var(--bg);}
  .legal-content{background:var(--panel);border:1px solid var(--line);border-radius:16px;
    padding:34px 34px 28px;}
  .legal-content h1{font-family:var(--display);font-weight:600;font-size:30px;color:var(--ink);
    margin-bottom:6px;}
  .legal-updated{color:var(--muted);font-size:13px;margin-bottom:22px;}
  .legal-content h3{font-family:var(--display);font-weight:600;font-size:18px;color:var(--ink);
    margin:24px 0 8px;}
  .legal-content p{font-size:15px;line-height:1.65;color:#423d35;margin-bottom:12px;}
  .legal-content ul{margin:0 0 12px 20px;}
  .legal-content li{font-size:15px;line-height:1.6;color:#423d35;margin-bottom:6px;}
  .legal-content strong{color:var(--ink);}
  .legal-back{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);}
  .legal-back a{color:var(--accent-deep);text-decoration:none;}
  .legal-back a:hover{text-decoration:underline;}

  /* ---------- HOW IT WORKS ---------- */
  .hiw-intro{font-size:17px;line-height:1.6;color:#423d35;margin-bottom:24px;}
  .hiw-steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:18px;}
  .hiw-step{display:flex;gap:16px;align-items:flex-start;}
  .hiw-num{flex:none;width:44px;height:44px;border-radius:50%;
    background:linear-gradient(150deg, var(--ember) 0%, var(--ember-deep) 100%);
    color:#fff;font-family:var(--display);font-weight:600;font-size:21px;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 3px 10px rgba(201,116,43,.4), inset 0 0 0 2px rgba(255,255,255,.25);}
  .hiw-body{flex:1;padding-top:3px;}
  .hiw-body h3{font-family:var(--display);font-weight:600;font-size:19px;color:var(--ink);
    margin:4px 0 5px;}
  .hiw-body p{font-size:15px;line-height:1.6;color:#423d35;margin:0;}
  .hiw-cta{margin-top:30px;padding-top:24px;border-top:1px solid var(--line);text-align:center;}
  .legal-content .hiw-btn,.legal-content .hiw-btn:link,.legal-content .hiw-btn:visited{
    display:inline-block;background:var(--accent);
    color:#fff !important;font-family:var(--display);font-weight:600;font-size:17px;
    padding:14px 28px;border-radius:10px;text-decoration:none;border:none;}
  .legal-content .hiw-btn:hover{background:var(--accent-deep);color:#fff !important;}

  .auth-card{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--line);
    border-radius:16px;padding:28px 26px;text-align:center;}
  .landing-hero .auth-card{justify-self:end;box-shadow:0 10px 30px rgba(0,0,0,.06);}
  .auth-mark{width:52px;height:52px;margin:0 auto 10px;display:block;}
  .auth-card h2{font-family:var(--display);font-weight:600;font-size:24px;color:var(--ink);}
  .auth-card h2 span{color:var(--accent-deep);}
  .auth-tag{color:var(--muted);font-size:14px;margin:6px 0 20px;}
  .auth-card input{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);
    padding:13px 14px;border-radius:10px;font-size:16px;outline:none;margin-bottom:12px;}
  .auth-card input:focus{border-color:var(--accent);}
  .auth-msg{color:var(--danger);font-size:13px;min-height:18px;margin-bottom:8px;}
  .auth-btns{display:flex;flex-direction:column;gap:10px;}
  .auth-btns button{width:100%;padding:14px;font-size:15px;}
  .forgot-link{background:none;border:none;color:var(--muted);font-size:13px;
    cursor:pointer;margin-top:12px;padding:4px;width:100%;}
  .forgot-link:hover{color:var(--accent-deep);text-decoration:underline;}
  /* reset password page */
  .reset-body{background:var(--parchment);min-height:100vh;}
  .reset-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;}
  .btn-link{display:inline-block;color:var(--accent-deep);text-decoration:none;font-weight:600;
    font-size:15px;padding:12px;}
  .btn-link:hover{text-decoration:underline;}
  /* stack on narrow screens */
  @media (max-width:760px){
    .landing-hero{grid-template-columns:1fr;gap:28px;padding:20px 0 32px;}
    .landing-hero-text h1{font-size:32px;}
    .lede{font-size:16px;}
    .landing-hero .auth-card{justify-self:stretch;max-width:none;}
    .landing-features{grid-template-columns:1fr;}
    .showcase-grid{grid-template-columns:1fr;gap:22px;max-width:340px;}
  }

  .cols{flex:1;display:flex;min-height:0;}
  .col{flex:1;display:flex;flex-direction:column;min-width:0;}
  .col + .col{border-left:1px solid var(--line);}
  /* tabbed full-width views */
  .viewtabs{display:flex;padding:8px 12px 0;border-bottom:1px solid var(--line);gap:0;}
  .viewtab{position:relative;flex:0 0 auto;min-width:150px;background:none;border:none;cursor:pointer;
    font-family:var(--body);font-size:15px;font-weight:600;color:var(--muted);
    padding:11px 18px 13px;display:flex;align-items:center;justify-content:center;gap:7px;transition:color .15s;}
  .viewtab:hover{color:var(--text);}
  .viewtab.active{color:var(--accent-deep);}
  .viewtab.active::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;
    background:var(--accent);border-radius:2px;}
  .viewtab-count{font-size:12px;font-weight:600;color:var(--muted);
    background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:1px 8px;min-width:20px;text-align:center;}
  .viewtab-count.hidden{display:none;}
  .viewtab.active .viewtab-count{color:var(--accent-deep);border-color:var(--accent);}
  body.view-library .col-set{display:none;}
  body.view-library .col-library{flex:1;}
  body.view-set .col-library{display:none;}
  body.view-set .col-set{flex:1;}
  body.view-library .col-library + .col-set,
  body.view-set .col-set{border-left:none;}
  .col h2{
    font-size:12px;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);
    padding:14px 16px 8px;display:flex;justify-content:space-between;align-items:center;
  }
  .search{margin:0 16px 8px;}
  .search input{
    width:100%;background:var(--panel);border:1px solid var(--line);color:var(--text);
    padding:11px 14px;border-radius:10px;font-size:15px;outline:none;
  }
  .search input:focus{border-color:var(--accent);}
  .upload-btn{font-size:12px;font-weight:600;letter-spacing:0;text-transform:none;
    padding:6px 11px;border:1px solid var(--accent);background:var(--accent);color:#fff;
    border-radius:8px;cursor:pointer;}
  .upload-btn:active{background:var(--accent-deep);}
  .select-btn{font-size:12px;font-weight:600;letter-spacing:0;text-transform:none;
    padding:6px 11px;border:1px solid var(--line);background:var(--panel);color:var(--accent-deep);
    border-radius:8px;cursor:pointer;margin-left:6px;}
  .select-btn.on{background:var(--accent);border-color:var(--accent);color:#fff;}
  .bulkbar{display:flex;align-items:center;gap:12px;margin:0 16px 8px;padding:8px 12px;
    background:#FBF1E2;border:1px solid var(--line);border-radius:9px;font-size:13px;}
  .bulkbar.hidden{display:none;}
  .bulk-all{display:flex;align-items:center;gap:6px;color:var(--text);cursor:pointer;font-weight:600;}
  .bulk-all input{width:17px;height:17px;accent-color:var(--accent);}
  .bulk-count{color:var(--muted);flex:1;}
  .bulk-actions{display:flex;gap:6px;}
  .bulk-actions .ghost{background:var(--panel);border:1px solid var(--line);color:var(--accent-deep);
    font-family:var(--body);font-size:13px;font-weight:600;padding:6px 12px;border-radius:8px;cursor:pointer;}
  .bulk-actions .ghost:disabled{opacity:.4;cursor:default;}
  .bulk-actions .ghost.danger{color:var(--danger);}
  .lib-check{width:18px;height:18px;accent-color:var(--accent);flex:none;margin-right:2px;}
  .lib-select{cursor:pointer;}
  .upload-status{margin:0 16px 8px;padding:9px 12px;border-radius:9px;font-size:13px;
    background:#FBF1E2;border:1px solid var(--line);color:var(--ink);line-height:1.5;}
  .upload-status.hidden{display:none;}
  .lib-actions{display:flex;align-items:center;gap:4px;}
  .libact{display:inline-flex;align-items:center;justify-content:center;background:none;border:none;
    cursor:pointer;color:var(--accent);padding:6px;border-radius:8px;line-height:0;}
  .libact:active{background:var(--bg);}
  .libact svg{display:block;}
  .item .libdel{color:var(--danger);}
  .item .libtag,.item .libview{color:var(--accent-deep);}
  /* PDF preview modal */
  #previewmodal{position:fixed;inset:0;z-index:86;background:rgba(28,26,23,.6);
    display:flex;align-items:center;justify-content:center;padding:20px;}
  #previewmodal.hidden{display:none;}
  .preview-sheet{width:100%;max-width:560px;max-height:88vh;display:flex;flex-direction:column;
    background:var(--panel);border-radius:16px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.35);}
  .preview-head{display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:14px 18px;border-bottom:1px solid var(--line);}
  .preview-title{font-family:var(--display);font-size:17px;color:var(--ink);
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .preview-head .panel-close{background:var(--bg);color:var(--muted);width:30px;height:30px;
    border-radius:8px;font-size:14px;flex:none;}
  .preview-stage{flex:1;overflow:auto;background:#d8d0bf;padding:14px;
    display:flex;align-items:flex-start;justify-content:center;position:relative;min-height:200px;}
  .preview-stage canvas{display:block;max-width:100%;height:auto;
    box-shadow:0 4px 14px rgba(0,0,0,.2);background:#fff;}
  .preview-foot{display:flex;align-items:center;gap:10px;padding:12px 16px;
    border-top:1px solid var(--line);}
  .preview-foot .ghost{padding:8px 14px;font-size:18px;line-height:1;}
  .preview-pageind{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;min-width:54px;text-align:center;}
  .preview-foot .primary{margin-left:auto;padding:11px 20px;font-size:14px;}
  .preview-foot .primary:disabled{background:var(--clay);border-color:var(--clay);opacity:.7;}
  /* tag filter bar */
  .tagfilter{display:flex;flex-wrap:wrap;gap:6px;margin:0 16px 8px;}
  .tagfilter.hidden{display:none;}
  .tagchip{font-size:12px;font-weight:600;letter-spacing:0;text-transform:none;
    padding:5px 11px;border:1px solid var(--line);background:var(--panel);color:var(--muted);
    border-radius:999px;cursor:pointer;}
  .tagchip.active{background:var(--accent);border-color:var(--accent);color:#fff;}
  /* library item with tags */
  .lib-item{align-items:flex-start;}
  .lib-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:5px;}
  .lib-tags{display:flex;flex-wrap:wrap;gap:4px;}
  .lib-tags .tag{font-size:11px;color:var(--accent-deep);background:#FBEBD6;
    border-radius:5px;padding:2px 7px;}
  .lib-tags:empty{display:none;}

  .list{flex:1;overflow-y:auto;padding:4px 10px 16px;-webkit-overflow-scrolling:touch;}
  .item{
    display:flex;align-items:center;gap:10px;padding:13px 14px;margin:5px 6px;
    background:var(--panel);border:1px solid var(--line);border-radius:10px;
    font-size:15px;cursor:pointer;user-select:none;
  }
  .item:active{border-color:var(--accent);}
  .item .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .item .ix{color:var(--muted);font-variant-numeric:tabular-nums;font-size:13px;min-width:20px;}
  .item .x{color:var(--danger);font-size:20px;padding:0 4px;line-height:1;}
  .item .grip{color:var(--muted);font-size:20px;cursor:grab;padding:0 6px;
    touch-action:none;user-select:none;-webkit-user-select:none;}
  .item .grip:active{cursor:grabbing;}
  .item.dragging{opacity:.92;border-color:var(--accent);
    box-shadow:0 6px 18px rgba(0,0,0,.18);}

  .empty{color:var(--muted);text-align:center;padding:40px 20px;font-size:14px;line-height:1.6;}

  /* set controls */
  .setbar{padding:10px 16px;border-top:1px solid var(--line);display:flex;gap:8px;align-items:center;}
  .setbar input{
    flex:1;background:var(--panel);border:1px solid var(--line);color:var(--text);
    padding:10px 12px;border-radius:9px;font-size:14px;outline:none;
  }
  .setbar select{
    background:var(--panel);border:1px solid var(--line);color:var(--text);
    padding:10px 12px;border-radius:9px;font-size:14px;max-width:140px;
  }
  #mysets{display:flex;align-items:center;gap:7px;}
  .badge:empty{display:none;}
  .badge{background:var(--accent);color:#fff;font-size:12px;font-weight:700;
    min-width:20px;height:20px;border-radius:10px;display:inline-flex;align-items:center;
    justify-content:center;padding:0 6px;}
  /* My Sets manage modal */
  #setsmodal{position:fixed;inset:0;z-index:85;background:rgba(28,26,23,.55);
    display:flex;align-items:center;justify-content:center;padding:20px;}
  #setsmodal.hidden{display:none;}
  .sets-sheet{width:100%;max-width:480px;max-height:80vh;display:flex;flex-direction:column;
    background:var(--panel);border-radius:16px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.3);}
  .sets-sheet-head{display:flex;align-items:center;justify-content:space-between;
    padding:16px 18px;border-bottom:1px solid var(--line);
    font-family:var(--display);font-size:19px;color:var(--ink);}
  .sets-sheet-head .panel-close{background:var(--bg);color:var(--muted);width:30px;height:30px;border-radius:8px;font-size:14px;}
  .sets-sheet-head .panel-close:active{background:var(--line);}
  .sets-manage{overflow-y:auto;padding:8px;-webkit-overflow-scrolling:touch;}
  /* share modal */
  #sharemodal{position:fixed;inset:0;z-index:85;background:rgba(28,26,23,.55);
    display:flex;align-items:center;justify-content:center;padding:20px;}
  #sharemodal.hidden{display:none;}
  .share-modal-body{padding:16px 18px 20px;overflow-y:auto;}
  .share-hint{font-size:13px;color:var(--muted);line-height:1.5;margin-bottom:16px;}
  .share-create{display:flex;flex-direction:column;gap:10px;margin-bottom:18px;}
  .share-scope{display:flex;flex-direction:column;gap:5px;font-size:12px;
    text-transform:uppercase;letter-spacing:1px;color:var(--muted);}
  .share-create select{background:var(--bg);border:1px solid var(--line);color:var(--text);
    padding:11px 13px;border-radius:9px;font-size:15px;}
  .share-create .primary{padding:12px;font-size:14px;}
  .share-list{display:flex;flex-direction:column;gap:8px;}
  .share-row{display:flex;align-items:center;gap:8px;padding:10px 12px;
    border:1px solid var(--line);border-radius:10px;background:var(--bg);}
  .share-row-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;}
  .share-pin{font-family:monospace;font-size:17px;font-weight:700;letter-spacing:2px;color:var(--ink);}
  .share-what{font-size:12px;color:var(--muted);}
  /* tag editor modal */
  #tagmodal{position:fixed;inset:0;z-index:85;background:rgba(28,26,23,.55);
    display:flex;align-items:center;justify-content:center;padding:20px;}
  #tagmodal.hidden{display:none;}
  .tagmodal-body{padding:16px 18px 20px;overflow-y:auto;}
  .tag-section-label{font-size:12px;text-transform:uppercase;letter-spacing:1.2px;
    color:var(--muted);margin:14px 0 8px;}
  .tag-section-label:first-child{margin-top:0;}
  .tag-current,.tag-suggest{display:flex;flex-wrap:wrap;gap:7px;}
  .tag-empty{color:var(--muted);font-size:14px;}
  .tagpill{font-size:13px;font-weight:600;letter-spacing:0;text-transform:none;
    padding:7px 12px;border:1px solid var(--line);background:var(--bg);color:var(--ink);
    border-radius:999px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;}
  .tagpill.on{background:#FBEBD6;border-color:var(--accent);color:var(--accent-deep);}
  .tagpill .x{font-size:11px;opacity:.7;}
  .tagpill:active{transform:scale(.97);}
  .tag-add-row{display:flex;gap:8px;margin-top:16px;}
  .tag-add-row input{flex:1;background:var(--bg);border:1px solid var(--line);color:var(--text);
    padding:11px 13px;border-radius:9px;font-size:15px;outline:none;}
  .tag-add-row input:focus{border-color:var(--accent);}
  .tag-actions{margin-top:18px;}
  .tag-actions .primary{width:100%;padding:13px;font-size:15px;}
  .setrow{display:flex;align-items:center;gap:10px;padding:12px 12px;margin:4px;
    border:1px solid var(--line);border-radius:10px;background:var(--bg);}
  .setrow-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;}
  .setrow-name{font-size:16px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .setrow-meta{font-size:12px;color:var(--muted);}
  .setrow-load{padding:8px 14px;font-size:13px;background:var(--accent);color:#fff;border-color:var(--accent);}
  .setrow-load:active{background:var(--accent-deep);}
  .setrow-dup{padding:8px 14px;font-size:13px;background:var(--panel);color:var(--accent-deep);border-color:var(--line);}
  .setrow-dup:active{background:var(--bg);}
  .setrow-del{display:inline-flex;align-items:center;justify-content:center;padding:8px 10px;
    background:var(--panel);border-color:var(--line);color:var(--danger);}
  .setrow-del:active{background:var(--bg);}
  button{
    font-family:var(--body);font-size:14px;font-weight:600;cursor:pointer;
    border:1px solid var(--line);background:var(--panel);color:var(--text);
    padding:10px 16px;border-radius:9px;white-space:nowrap;
  }
  button.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);}
  button.ghost{background:transparent;}
  button:active{transform:scale(.97);}
  .play-wrap{padding:12px 16px 16px;border-top:1px solid var(--line);}
  button.play{width:100%;padding:15px;font-size:16px;font-family:var(--display);letter-spacing:.3px;}

  /* ---------- PLAYER ---------- */
  #player{position:fixed;inset:0;background:var(--ink);z-index:50;display:flex;flex-direction:column;}
  #stage{flex:1;position:relative;overflow:hidden;}
  #scroller{position:absolute;inset:0;overflow-y:auto;-webkit-overflow-scrolling:touch;
    display:flex;align-items:flex-start;justify-content:center;}
  #pdfcanvas{display:block;max-width:100%;}
  #ptop{
    position:absolute;top:0;left:0;right:0;z-index:5;
    display:flex;align-items:center;gap:12px;padding:10px 14px;
    background:linear-gradient(to bottom,rgba(0,0,0,.75),transparent);
    color:#fff;transition:opacity .3s;
  }
  #ptop.fade{opacity:0;pointer-events:none;}
  #ptop .title{flex:1;display:flex;align-items:center;gap:8px;min-width:0;
    font-family:var(--display);font-size:18px;color:#fff;
    background:none;border:none;text-align:left;cursor:pointer;padding:4px 6px;border-radius:8px;}
  #ptop .title:active{background:rgba(255,255,255,.12);}
  #ptop .title #ptitle{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  #ptop .title .caret{font-size:12px;opacity:.7;flex:none;}
  #ptop .pos{font-variant-numeric:tabular-nums;color:var(--accent);font-size:14px;font-weight:600;flex:none;}
  #ptop .close{font-size:15px;font-weight:600;line-height:1;padding:6px 10px;
    background:rgba(255,255,255,.12);border:none;color:#fff;border-radius:8px;flex:none;backdrop-filter:blur(8px);}
  #pnav{
    position:absolute;bottom:0;left:0;right:0;z-index:5;
    display:flex;justify-content:space-between;align-items:center;padding:14px 18px;
    background:linear-gradient(to top,rgba(0,0,0,.75),transparent);
    transition:opacity .3s;
  }
  #pnav.fade{opacity:0;pointer-events:none;}
  #pnav button{background:rgba(255,255,255,.12);border:none;color:#fff;font-size:15px;backdrop-filter:blur(8px);padding:10px 16px;border-radius:9px;}
  #pageind{color:#fff;font-size:13px;font-variant-numeric:tabular-nums;}
  /* song jump panel */
  #songpanel{
    position:absolute;top:0;left:0;right:0;z-index:8;max-height:70%;
    background:var(--ink);border-bottom:1px solid rgba(255,255,255,.12);
    overflow-y:auto;-webkit-overflow-scrolling:touch;
    box-shadow:0 12px 30px rgba(0,0,0,.5);
  }
  #songpanel.hidden{display:none;}
  .songpanel-head{color:var(--clay);font-size:12px;text-transform:uppercase;letter-spacing:1.5px;
    padding:14px 18px 8px;display:flex;align-items:center;justify-content:space-between;}
  .panel-close{background:rgba(255,255,255,.12);border:none;color:#fff;font-size:14px;
    line-height:1;width:30px;height:30px;border-radius:8px;cursor:pointer;letter-spacing:0;}
  .panel-close:active{background:rgba(255,255,255,.22);}
  .songrow{display:flex;align-items:center;gap:12px;width:100%;text-align:left;
    background:none;border:none;color:#fff;padding:14px 18px;font-size:16px;cursor:pointer;}
  .songrow:active{background:rgba(255,255,255,.08);}
  .songrow .sr-ix{color:var(--clay);font-variant-numeric:tabular-nums;min-width:20px;font-size:14px;}
  .songrow .sr-nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .songrow.current{color:var(--accent);}
  .songrow.current .sr-ix{color:var(--accent);}
  .loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px;}
  /* notes panel (player) */
  #notespanel{position:absolute;top:0;left:0;right:0;z-index:8;max-height:75%;
    background:var(--ink);border-bottom:1px solid rgba(255,255,255,.12);
    overflow-y:auto;-webkit-overflow-scrolling:touch;box-shadow:0 12px 30px rgba(0,0,0,.5);}
  #notespanel.hidden{display:none;}
  .notes-view{color:#fff;font-size:17px;line-height:1.6;padding:6px 20px 22px;}
  .notes-view ul,.notes-view ol{margin:8px 0 8px 22px;}
  .notes-view li{margin:4px 0;}
  .notes-view b,.notes-view strong{color:#fff;}
  #ptop .pnotes{font-size:14px;font-weight:600;padding:6px 12px;flex:none;
    background:rgba(255,255,255,.12);border:none;color:#fff;border-radius:8px;backdrop-filter:blur(8px);}
  #ptop .pnotes.hidden{display:none;}
  /* notes editor (builder) */
  .notes-block{border-top:1px solid var(--line);}
  .notes-head{display:flex;align-items:center;justify-content:space-between;width:100%;
    background:none;border:none;cursor:pointer;padding:13px 14px;
    font-size:12px;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);
    font-family:var(--body);}
  .notes-head:active{color:var(--accent);}
  .notes-title{display:flex;align-items:center;gap:8px;}
  .notes-hint{text-transform:none;letter-spacing:0;font-size:11px;color:var(--accent-deep);font-weight:600;}
  .notes-toggle-label{display:flex;align-items:center;gap:5px;text-transform:none;letter-spacing:0;
    font-size:13px;font-weight:600;color:var(--accent-deep);}
  .notes-chev{font-size:11px;transition:transform .18s ease;}
  .notes-block:not(.collapsed) .notes-chev{transform:rotate(90deg);}
  .notes-body{padding:0 14px 10px;}
  .notes-block.collapsed .notes-body{display:none;}
  .notes-tools{display:flex;gap:6px;margin-bottom:8px;}
  .notes-tools button{padding:5px 9px;font-size:12px;font-weight:600;border:1px solid var(--line);
    background:var(--bg);color:var(--text);border-radius:7px;cursor:pointer;letter-spacing:0;text-transform:none;}
  .notes-tools button:active{background:var(--panel);}
  .notes-edit{min-height:64px;max-height:160px;overflow-y:auto;background:var(--panel);
    border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:15px;line-height:1.5;
    color:var(--text);outline:none;}
  .notes-edit:focus{border-color:var(--accent);}
  .notes-edit:empty:before{content:attr(data-placeholder);color:var(--muted);}
  .notes-edit ul,.notes-edit ol{margin:4px 0 4px 20px;}
  /* ---------- SHARED FOOTER ---------- */
  .appfoot{
    display:flex;align-items:center;justify-content:space-between;
    padding:8px 16px;border-top:1px solid var(--line);background:var(--panel);
    font-size:12px;color:var(--muted);
  }
  .appfoot .foot-tag{letter-spacing:.5px;}
  .appfoot .foot-ver{font-variant-numeric:tabular-nums;opacity:.8;}
  body.playing .appfoot{display:none;}