:root{
    --bg: #060810;
    --panel: rgba(20,26,46,0.5);
    --panel-solid: rgba(16,21,38,0.86);
    --hair: rgba(255,255,255,0.09);
    --hair-strong: rgba(255,255,255,0.16);
    --text: #EAF1FA;
    --text-dim: #8FA0BC;
    --text-faint: #566B87;
    --cyan: #29E8FF;      --cyan-rgb: 41,232,255;
    --magenta: #FF3DC6;   --magenta-rgb: 255,61,198;
    --sidebar-w: 226px;
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;}
  body{
    background:
      radial-gradient(circle at 15% 8%, rgba(var(--cyan-rgb),0.05), transparent 40%),
      radial-gradient(circle at 85% 90%, rgba(var(--magenta-rgb),0.05), transparent 40%),
      repeating-linear-gradient(0deg, rgba(var(--cyan-rgb),0.035) 0 1px, transparent 1px 34px),
      repeating-linear-gradient(90deg, rgba(var(--cyan-rgb),0.035) 0 1px, transparent 1px 34px),
      var(--bg);
    color:var(--text);
    font-family:'IBM Plex Sans', sans-serif;
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
    min-height:100vh;
    overflow-x:hidden;
    position:relative;
    transition:background .3s ease;
  }
  .mono{font-family:'IBM Plex Mono', monospace;}

  /* ---------- flashlight ---------- */
  #spotlight{
    position:fixed; top:0; left:0;
    width:620px; height:620px;
    margin-left:-310px; margin-top:-310px;
    border-radius:50%;
    background:radial-gradient(circle, rgba(var(--cyan-rgb),0.16) 0%, rgba(var(--magenta-rgb),0.09) 32%, transparent 68%);
    pointer-events:none;
    z-index:1;
    will-change:transform;
    transition:opacity .3s ease;
    opacity:0;
    mix-blend-mode:screen;
  }

  /* ---------- sidebar ---------- */
  #menu-toggle{
    position:fixed; top:16px; left:16px; z-index:60;
    width:38px; height:38px; border-radius:8px;
    background:var(--panel-solid); border:1px solid var(--hair-strong);
    color:var(--text); font-size:18px; cursor:pointer;
    display:none; align-items:center; justify-content:center;
    backdrop-filter:blur(10px);
  }
  #sidebar-overlay{
    position:fixed; inset:0; background:rgba(0,0,0,0.55);
    z-index:39; opacity:0; pointer-events:none; transition:opacity .25s ease;
  }
  #sidebar{
    position:fixed; top:0; left:0; height:100vh; width:var(--sidebar-w);
    background:var(--panel-solid);
    backdrop-filter:blur(18px) saturate(140%);
    border-right:1px solid var(--hair);
    z-index:40;
    display:flex; flex-direction:column;
    padding:22px 16px;
    transition:transform .3s ease;
  }
  .brand{
    font-family:'IBM Plex Mono', monospace;
    font-size:15px; font-weight:600; letter-spacing:.04em;
    color:var(--text); margin-bottom:26px;
    text-shadow:0 0 10px rgba(var(--cyan-rgb),0.4);
  }
  .brand span{color:var(--magenta); text-shadow:0 0 10px rgba(var(--magenta-rgb),0.5);}
  .side-section{margin-bottom:26px;}
  .side-label{
    font-family:'IBM Plex Mono', monospace; font-size:10.5px; letter-spacing:.08em;
    color:var(--text-faint); margin-bottom:10px;
  }
  .theme-list{display:flex; flex-direction:column; gap:6px;}
  .theme-opt{
    display:flex; align-items:center; gap:10px;
    padding:7px 9px; border-radius:7px; cursor:pointer;
    border:1px solid transparent; color:var(--text-dim); font-size:13px;
    transition:all .15s ease;
  }
  .theme-opt:hover{background:rgba(255,255,255,0.04);}
  .theme-opt.active{
    border-color:var(--hair-strong); color:var(--text);
    background:rgba(255,255,255,0.05);
  }
  .swatch{width:14px;height:14px;border-radius:50%; flex-shrink:0; box-shadow:0 0 8px currentColor;}
  .github-btn{
    display:flex; align-items:center; gap:8px; width:100%;
    background:rgba(255,255,255,0.04); border:1px solid var(--hair-strong);
    color:var(--text-dim); font-family:'IBM Plex Sans',sans-serif; font-size:12.5px;
    padding:9px 10px; border-radius:7px; cursor:pointer; transition:all .15s ease;
  }
  .github-btn:hover{border-color:rgba(var(--cyan-rgb),0.5); color:var(--text);}
  .github-btn svg{width:15px;height:15px; flex-shrink:0; fill:currentColor;}
  .profile-name{
    display:flex; align-items:center; gap:8px; font-size:12.5px; color:var(--text);
    padding:7px 2px;
  }
  .profile-avatar{
    width:22px;height:22px;border-radius:50%;
    background:linear-gradient(135deg, var(--cyan), var(--magenta));
    display:flex; align-items:center; justify-content:center;
    font-family:'IBM Plex Mono',monospace; font-size:10px; color:#03060c; font-weight:600;
  }
  .logout-link{margin-left:auto; color:var(--text-faint); font-size:11px; cursor:pointer; text-decoration:underline;}
  #save-indicator{
    margin-top:auto;
    font-family:'IBM Plex Mono', monospace; font-size:11px; color:var(--text-faint);
    display:flex; align-items:center; gap:7px; padding-top:16px; border-top:1px solid var(--hair);
  }
  #save-indicator .save-dot{width:6px;height:6px;border-radius:50%; background:var(--text-faint); transition:all .2s ease;}
  #save-indicator.ok .save-dot{background:var(--cyan); box-shadow:0 0 6px rgba(var(--cyan-rgb),0.8);}
  #save-indicator.err .save-dot{background:#FF5D5D; box-shadow:0 0 6px rgba(255,93,93,0.8);}

  /* ---------- modal ---------- */
  #modal-overlay{
    position:fixed; inset:0; background:rgba(0,0,0,0.6); z-index:80;
    display:none; align-items:center; justify-content:center; padding:20px;
  }
  #modal-overlay.open{display:flex;}
  .modal{
    width:100%; max-width:320px; background:var(--panel-solid);
    border:1px solid var(--hair-strong); border-radius:12px; padding:22px;
    backdrop-filter:blur(20px);
    box-shadow:0 0 40px rgba(var(--cyan-rgb),0.12);
  }
  .modal h3{margin:0 0 6px; font-size:16px;}
  .modal p{margin:0 0 16px; font-size:12.5px; color:var(--text-dim);}
  .modal input{
    width:100%; padding:9px 11px; border-radius:7px; margin-bottom:14px;
    background:rgba(255,255,255,0.04); border:1px solid var(--hair-strong);
    color:var(--text); font-family:'IBM Plex Sans',sans-serif; font-size:13px;
  }
  .modal input:focus{outline:none; border-color:var(--cyan);}
  .modal-actions{display:flex; gap:8px; justify-content:flex-end;}
  .modal-actions button{
    font-family:'IBM Plex Mono',monospace; font-size:11.5px; padding:8px 14px;
    border-radius:6px; cursor:pointer; border:1px solid var(--hair-strong);
    background:transparent; color:var(--text-dim);
  }
  .modal-actions .primary{
    background:linear-gradient(90deg, var(--cyan), var(--magenta)); color:#03060c; border:none; font-weight:600;
  }

  /* ---------- main content ---------- */
  .wrap{
    max-width:1000px; margin:0 auto;
    padding:36px 20px 40px;
    margin-left:calc(var(--sidebar-w) + 20px);
    position:relative; z-index:2;
  }
  header{margin-bottom:28px;}
  .eyebrow{
    display:flex; align-items:center; gap:8px;
    font-family:'IBM Plex Mono', monospace; font-size:12px; letter-spacing:0.02em;
    color:var(--cyan); margin-bottom:10px; text-shadow:0 0 12px rgba(var(--cyan-rgb),0.5);
  }
  .dot{width:7px;height:7px;border-radius:50%; background:var(--magenta);
    box-shadow:0 0 8px 2px rgba(var(--magenta-rgb),0.7); animation:pulse 2.2s ease-in-out infinite;}
  @keyframes pulse{ 0%,100%{opacity:1;} 50%{opacity:.4;} }
  h1{font-size:clamp(22px,4vw,32px); font-weight:700; margin:0 0 8px; letter-spacing:-0.01em; max-width:640px;}
  header p{color:var(--text-dim); max-width:560px; font-size:14.5px; margin:0;}

  .panel{
    background:var(--panel); backdrop-filter:blur(16px) saturate(140%); -webkit-backdrop-filter:blur(16px) saturate(140%);
    border:1px solid var(--hair); border-radius:10px; position:relative;
    box-shadow:0 0 0 1px rgba(255,255,255,0.02) inset, 0 8px 30px rgba(0,0,0,0.35);
    transition:border-color .25s ease, box-shadow .25s ease;
  }
  .panel:hover{border-color:rgba(var(--cyan-rgb),0.35);
    box-shadow:0 0 0 1px rgba(255,255,255,0.02) inset, 0 8px 30px rgba(0,0,0,0.35), 0 0 24px rgba(var(--cyan-rgb),0.08);}
  .panel::before{content:''; position:absolute; top:0; left:16px; right:16px; height:1px;
    background:linear-gradient(90deg, transparent, var(--cyan), var(--magenta), transparent); opacity:0.6;}
  .panel-label{font-family:'IBM Plex Mono', monospace; font-size:10.5px; letter-spacing:0.08em; color:var(--text-dim); padding:14px 14px 0;}

  .dash{display:grid; grid-template-columns:220px 1fr; gap:16px; margin:28px 0 40px;}
  .gauge-card{padding-bottom:18px; display:flex; flex-direction:column; align-items:center;}
  .gauge-svg{margin-top:2px; filter:drop-shadow(0 0 10px rgba(var(--cyan-rgb),0.45));}
  .gauge-pct{font-family:'IBM Plex Mono', monospace; font-size:13.5px; color:var(--text-dim); margin-top:-2px;}
  .gauge-pct b{color:var(--text); font-size:15px;}

  .meters{padding:14px 16px 18px; display:flex; flex-direction:column; gap:15px;}
  .meter-top{display:flex; justify-content:space-between; align-items:baseline; font-size:13px; margin-bottom:6px;}
  .meter-name{color:var(--text); font-weight:500;}
  .meter-code{font-family:'IBM Plex Mono', monospace; font-size:11px; color:var(--text-dim); margin-left:6px; opacity:.7;}
  .meter-num{font-family:'IBM Plex Mono', monospace; color:var(--cyan); font-size:12.5px;}
  .meter-track{height:7px; background:rgba(255,255,255,0.05); border-radius:4px; overflow:hidden; border:1px solid var(--hair);}
  .meter-fill{height:100%; border-radius:4px; width:0%; transition:width .5s ease;
    background:linear-gradient(90deg, var(--cyan), var(--magenta)); box-shadow:0 0 10px rgba(var(--cyan-rgb),0.6);}

  .cluster{display:grid; grid-template-columns:26px 1fr; margin-bottom:36px;}
  .spine{position:relative; display:flex; justify-content:center;}
  .spine-line{position:absolute; top:4px; bottom:-36px; left:50%; width:1px;
    background:linear-gradient(180deg, var(--cyan), rgba(var(--magenta-rgb),0.15)); opacity:.5;}
  .cluster:last-child .spine-line{display:none;}
  .spine-node{width:10px; height:10px; border-radius:50%; background:var(--bg); border:2px solid var(--cyan);
    box-shadow:0 0 10px 2px rgba(var(--cyan-rgb),0.55); margin-top:6px; z-index:1;}
  .cluster-body{padding-left:14px;}
  .cluster-head{display:flex; align-items:baseline; justify-content:space-between; margin-bottom:14px; flex-wrap:wrap; gap:6px;}
  .cluster-title{font-size:17px; font-weight:600; margin:0;}
  .cluster-code{font-family:'IBM Plex Mono', monospace; font-size:11px; color:var(--text-dim); margin-left:8px; opacity:.7;}
  .cluster-frac{font-family:'IBM Plex Mono', monospace; font-size:12.5px; color:var(--text-dim);}
  .cluster-frac b{color:var(--cyan); text-shadow:0 0 8px rgba(var(--cyan-rgb),0.5);}

  .cat-grid{display:grid; grid-template-columns:repeat(auto-fit, minmax(260px,1fr)); gap:14px;}
  .cat-panel{padding:14px 16px 12px;}
  .cat-head{display:flex; justify-content:space-between; align-items:baseline; gap:10px; margin-bottom:4px;}
  .cat-title{font-size:14px; font-weight:600; color:var(--text);}
  .cat-code{font-family:'IBM Plex Mono', monospace; font-size:10.5px; color:var(--magenta); white-space:nowrap; text-shadow:0 0 8px rgba(var(--magenta-rgb),0.4);}
  .cat-track{height:5px; background:rgba(255,255,255,0.05); border-radius:3px; overflow:hidden; margin:8px 0 10px; border:1px solid var(--hair);}
  .cat-fill{height:100%; width:0%; transition:width .5s ease; background:linear-gradient(90deg, var(--cyan), var(--magenta)); box-shadow:0 0 8px rgba(var(--cyan-rgb),0.5);}
  .cat-count{font-family:'IBM Plex Mono', monospace; font-size:10.5px; color:var(--text-dim); margin-bottom:8px; opacity:.8;}

  .items{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:9px;}
  .item{display:flex; align-items:flex-start; gap:10px; font-size:13.5px; color:var(--text-dim); cursor:pointer; user-select:none;
    border-radius:6px; padding:3px 4px; margin:-3px -4px; transition:background .15s ease;}
  .item:hover{background:rgba(255,255,255,0.03);}
  .chk-input{position:absolute; opacity:0; width:0; height:0;}
  .chk-box{width:18px; height:18px; flex-shrink:0; margin-top:2px; border-radius:5px;
    border:1.5px solid rgba(var(--cyan-rgb),0.4); background:rgba(255,255,255,0.02);
    display:flex; align-items:center; justify-content:center; transition:border-color .2s ease, background .2s ease, box-shadow .2s ease;}
  .chk-box svg{width:12px; height:12px; overflow:visible;}
  .chk-box svg path{fill:none; stroke:var(--cyan); stroke-width:3.2; stroke-linecap:round; stroke-linejoin:round;
    stroke-dasharray:20; stroke-dashoffset:20; transition:stroke-dashoffset .28s ease;}
  .chk-input:checked + .chk-box{border-color:var(--cyan); background:rgba(var(--cyan-rgb),0.14);
    box-shadow:0 0 12px rgba(var(--cyan-rgb),0.65), 0 0 2px rgba(var(--cyan-rgb),0.9) inset;}
  .chk-input:checked + .chk-box svg path{stroke-dashoffset:0;}
  .chk-input:focus-visible + .chk-box{outline:2px solid var(--magenta); outline-offset:2px;}
  .item span.txt{transition:color .15s ease; padding-top:1px;}
  .item.done span.txt{color:var(--text-faint); text-decoration:line-through; text-decoration-color:rgba(var(--cyan-rgb),0.35);}

  footer.controls{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
    margin-top:20px; padding-top:16px; border-top:1px solid var(--hair);}
  footer.controls p{font-size:12px; color:var(--text-dim); margin:0; max-width:480px; opacity:.75;}
  .reset-btn{background:rgba(var(--magenta-rgb),0.06); border:1px solid rgba(var(--magenta-rgb),0.3); color:var(--text-dim);
    font-family:'IBM Plex Mono', monospace; font-size:11.5px; padding:8px 14px; border-radius:6px; cursor:pointer; transition:all .2s ease;}
  .reset-btn:hover{border-color:var(--magenta); color:var(--text); box-shadow:0 0 14px rgba(var(--magenta-rgb),0.35);}

  .legal-footer{
    margin-top:26px; padding-top:16px; border-top:1px solid var(--hair);
    display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
    font-size:11px; color:var(--text-faint);
  }
  .legal-footer a{color:var(--text-faint); text-decoration:none; border-bottom:1px dotted var(--text-faint);}
  .legal-footer a:hover{color:var(--text-dim);}
  .legal-links{display:flex; gap:14px; flex-wrap:wrap;}

  .load-note{font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--text-dim); padding:40px 0; text-align:center;}

  /* ---------- responsive ---------- */
  @media (max-width:900px){
    #menu-toggle{display:flex;}
    #sidebar{transform:translateX(-100%);}
    body.sidebar-open #sidebar{transform:translateX(0);}
    body.sidebar-open #sidebar-overlay{opacity:1; pointer-events:auto;}
    .wrap{margin-left:0; padding:70px 16px 40px;}
    .dash{grid-template-columns:1fr;}
  }
  @media (max-width:480px){
    .wrap{padding:64px 12px 32px;}
    h1{font-size:21px;}
    .cluster{grid-template-columns:16px 1fr;}
    .cluster-body{padding-left:8px;}
    .cat-panel{padding:12px 12px 10px;}
    footer.controls{flex-direction:column; align-items:flex-start;}
    .legal-footer{flex-direction:column;}
  }

/* ==================== NEW: intro & network diagram ==================== */
.intro-panel{
  padding:20px 22px 22px; margin:18px 0 20px;
  display:flex; flex-direction:column; gap:16px;
}
.intro-lead{margin:0; font-size:14.5px; color:var(--text-dim); max-width:720px;}
.intro-lead b{color:var(--text); font-weight:600;}

.network-diagram{
  border-top:1px solid var(--hair); padding-top:16px; margin-top:2px;
}
.network-diagram-label{
  font-family:'IBM Plex Mono', monospace; font-size:10.5px; letter-spacing:.08em;
  color:var(--text-faint); margin-bottom:8px;
}
.network-diagram svg{width:100%; height:auto; display:block; filter:drop-shadow(0 0 8px rgba(var(--cyan-rgb),0.12));}
.network-diagram .nd-line{stroke:url(#ndGrad); stroke-width:1.6; fill:none; opacity:.65;}
.network-diagram .nd-node-circle{fill:var(--panel-solid); stroke:var(--cyan); stroke-width:1.6;}
.network-diagram .nd-node-circle.magenta{stroke:var(--magenta);}
.network-diagram .nd-node-text{font-family:'IBM Plex Mono', monospace; font-size:11px; fill:var(--text); text-anchor:middle;}
.network-diagram .nd-node-sub{font-family:'IBM Plex Mono', monospace; font-size:8.5px; fill:var(--text-faint); text-anchor:middle;}

/* ==================== NEW: toolbar (search + quick nav) ==================== */
.toolbar{
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  margin:4px 0 22px;
}
.search-wrap{
  position:relative; flex:1 1 220px; min-width:180px; max-width:320px;
}
.search-wrap input{
  width:100%; padding:9px 12px 9px 34px; border-radius:8px;
  background:rgba(255,255,255,0.04); border:1px solid var(--hair-strong);
  color:var(--text); font-family:'IBM Plex Sans',sans-serif; font-size:13px;
}
.search-wrap input:focus{outline:none; border-color:var(--cyan);}
.search-wrap input::placeholder{color:var(--text-faint);}
.search-wrap svg{
  position:absolute; left:11px; top:50%; transform:translateY(-50%);
  width:14px; height:14px; stroke:var(--text-faint); fill:none; stroke-width:2; pointer-events:none;
}
.search-kbd{
  position:absolute; right:8px; top:50%; transform:translateY(-50%);
  font-family:'IBM Plex Mono', monospace; font-size:10px; color:var(--text-faint);
  border:1px solid var(--hair-strong); border-radius:4px; padding:1px 5px; pointer-events:none;
}
.quick-nav{display:flex; gap:8px; flex-wrap:wrap;}
.quick-nav-btn{
  font-family:'IBM Plex Mono', monospace; font-size:11px; color:var(--text-dim);
  background:rgba(255,255,255,0.03); border:1px solid var(--hair-strong);
  border-radius:20px; padding:7px 13px; cursor:pointer; transition:all .15s ease;
}
.quick-nav-btn:hover{border-color:rgba(var(--cyan-rgb),0.5); color:var(--text);}

/* ==================== NEW: tip of the day ==================== */
.tip-card{
  display:flex; align-items:flex-start; gap:10px;
  padding:12px 14px; margin-bottom:22px;
  border-left:2px solid var(--magenta);
}
.tip-card .tip-icon{flex-shrink:0; font-size:15px; line-height:1.3;}
.tip-card .tip-body{flex:1; font-size:12.5px; color:var(--text-dim);}
.tip-card .tip-body b{color:var(--text); font-family:'IBM Plex Mono', monospace; font-size:10.5px; letter-spacing:.06em; display:block; margin-bottom:3px;}
.tip-card .tip-close{
  flex-shrink:0; background:none; border:none; color:var(--text-faint); cursor:pointer;
  font-size:15px; line-height:1; padding:2px 4px; transition:color .15s ease;
}
.tip-card .tip-close:hover{color:var(--text);}

/* ==================== NEW: footer extra actions ==================== */
.controls-actions{display:flex; gap:8px; flex-wrap:wrap;}
.copy-btn, .print-btn{
  background:rgba(var(--cyan-rgb),0.06); border:1px solid rgba(var(--cyan-rgb),0.3); color:var(--text-dim);
  font-family:'IBM Plex Mono', monospace; font-size:11.5px; padding:8px 14px; border-radius:6px; cursor:pointer; transition:all .2s ease;
}
.copy-btn:hover, .print-btn:hover{border-color:var(--cyan); color:var(--text); box-shadow:0 0 14px rgba(var(--cyan-rgb),0.3);}
.copy-btn.copied{border-color:var(--cyan); color:var(--cyan);}

/* ==================== NEW: filtered-out items/panels ==================== */
.item.filtered-hide{display:none;}
.cat-panel.filtered-hide{display:none;}
.cluster.filtered-hide{display:none;}
.no-results{
  font-family:'IBM Plex Mono', monospace; font-size:12.5px; color:var(--text-faint);
  text-align:center; padding:24px 0; display:none;
}
.no-results.show{display:block;}

@media (max-width:900px){
  .network-diagram svg{max-width:100%;}
}
@media (max-width:600px){
  .toolbar{flex-direction:column; align-items:stretch;}
  .search-wrap{max-width:none;}
}

/* ==================== NEW: print ==================== */
@media print{
  #spotlight, #menu-toggle, #sidebar, #sidebar-overlay, #modal-overlay,
  .toolbar, .tip-card, footer.controls, .theme-list, #save-indicator{display:none !important;}
  body{background:#fff; color:#111;}
  .wrap{margin-left:0; max-width:100%;}
  .panel{background:#fff; border-color:#ccc; box-shadow:none; color:#111;}
  .panel-label, .cluster-code, .cat-code, .meter-code, .cluster-frac, .cat-count{color:#555;}
  h1, .cat-title, .cluster-title{color:#111;}
  .item span.txt{color:#111;}
  .chk-box{border-color:#888;}
}

.roadmap-highlight{
  background:linear-gradient(110deg, var(--cyan), #FFFFFF, var(--magenta), var(--cyan));
  background-size:260% 100%;
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow:none;
  animation:roadmap-shimmer 4s ease-in-out infinite;
}
@keyframes roadmap-shimmer{
  0%,100%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
}
@media (prefers-reduced-motion:reduce){
  .roadmap-highlight{animation:none;}
}