:root{
  --accent:#7c5cff;
  --bg:#0b0d14;
  --glass:rgba(20,24,38,0.55);
  --glass-2:rgba(30,35,54,0.6);
  --stroke:rgba(255,255,255,0.10);
  --stroke-2:rgba(255,255,255,0.16);
  --text:#eef1f8;
  --muted:#9aa3b8;
  --radius:16px;
  --font:'Space Grotesk';
  --shadow:0 8px 40px rgba(0,0,0,0.45);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;color:var(--text);
  font-family:var(--font),'Sora',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);overflow:hidden;
}
button,input,select,textarea{font-family:inherit;color:inherit}
.hidden{display:none !important}
.muted{color:var(--muted)}
.err{color:#ff7a85;font-size:13px;min-height:16px;margin:2px 0}

/* background layers */
#bg-layer{position:fixed;inset:0;z-index:-2;background-size:cover;background-position:center;
  background-image:radial-gradient(1200px 800px at 70% -10%, #241b4a 0%, #0b0d14 55%);transition:opacity .4s}
/* Solid dim only — no backdrop-filter here. A full-viewport backdrop-filter
   nested under the .glass blurs is extremely expensive to composite and was the
   main cause of navigation lag. The rgba dim alone gives the same look. */
#bg-scrim{position:fixed;inset:0;z-index:-1;background:rgba(6,8,14,var(--scrim,0.55))}

/* glass primitive */
.glass{
  background:var(--glass);border:1px solid var(--stroke);
  backdrop-filter:blur(12px) saturate(1.25);-webkit-backdrop-filter:blur(12px) saturate(1.25);
  box-shadow:var(--shadow);border-radius:var(--radius);
}

/* brand */
.brand{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}
.brand-mark{font-weight:700;letter-spacing:.5px;font-size:20px;
  background:linear-gradient(120deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-sub{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:3px}

/* buttons */
.btn{border:1px solid var(--stroke-2);background:var(--glass-2);padding:9px 14px;border-radius:12px;
  cursor:pointer;font-weight:600;font-size:14px;transition:.15s}
.btn:hover{border-color:var(--accent);transform:translateY(-1px)}
.btn.primary{background:linear-gradient(120deg,var(--accent),#4b32c9);border-color:transparent;color:#fff}
.ghost{background:transparent;border:1px solid var(--stroke);color:var(--muted);padding:8px 10px;border-radius:10px;cursor:pointer;font-size:13px}
.ghost:hover{color:var(--text);border-color:var(--stroke-2)}
.mini{width:22px;height:22px;border-radius:7px;border:1px solid var(--stroke-2);background:var(--glass-2);cursor:pointer;color:var(--muted);line-height:1}
.mini:hover{color:#fff;border-color:var(--accent)}

/* ---------------- login ---------------- */
.login{position:fixed;inset:0;display:grid;place-items:center;padding:20px}
.login-card{width:min(400px,92vw);padding:30px}
.login-card h1{margin:6px 0 16px;font-size:22px}
.login-card label{display:block;font-size:13px;color:var(--muted);margin:12px 0}
.login-card input{width:100%;margin-top:6px;padding:11px 12px;border-radius:11px;border:1px solid var(--stroke-2);
  background:rgba(0,0,0,.25);font-size:15px}
.login-card input:focus{outline:none;border-color:var(--accent)}
.login-card .btn{width:100%;margin-top:16px;padding:12px}

/* ---------------- app shell ---------------- */
.app{display:grid;grid-template-columns:248px 1fr;height:100vh;gap:14px;padding:14px}
.sidebar{padding:16px 14px;display:flex;flex-direction:column;gap:6px;overflow:auto}
.nav-item{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:transparent;
  border:1px solid transparent;color:var(--text);padding:9px 10px;border-radius:11px;cursor:pointer;font-size:14px;font-weight:500}
.nav-item:hover{background:rgba(255,255,255,.05)}
.nav-item.active{background:rgba(124,92,255,.16);border-color:rgba(124,92,255,.4)}
.nav-item .count{margin-left:auto;font-size:12px;color:var(--muted);background:rgba(0,0,0,.3);padding:1px 8px;border-radius:8px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--accent);flex:none}
.dot.all{background:linear-gradient(120deg,#fff,var(--accent))}
.nav-label{display:flex;align-items:center;justify-content:space-between;font-size:11px;text-transform:uppercase;
  letter-spacing:2px;color:var(--muted);margin:14px 4px 4px}
.prog-list{display:flex;flex-direction:column;gap:2px}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:6px;padding-top:12px}

.main{display:flex;flex-direction:column;gap:14px;min-width:0}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;flex-wrap:wrap}
.tb-left{display:flex;align-items:center;gap:12px;min-width:0}
.tb-right{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.scope{font-weight:600;font-size:15px;white-space:nowrap}
.search{width:280px;max-width:38vw;padding:9px 12px;border-radius:11px;border:1px solid var(--stroke-2);
  background:rgba(0,0,0,.25);font-size:14px}
.search:focus{outline:none;border-color:var(--accent)}
.sel{padding:8px 10px;border-radius:10px;border:1px solid var(--stroke-2);background:var(--glass-2);font-size:13px;cursor:pointer}
.seg{display:flex;border:1px solid var(--stroke-2);border-radius:10px;overflow:hidden}
.seg button{background:transparent;border:none;padding:8px 12px;cursor:pointer;color:var(--muted);font-size:13px;font-weight:600}
.seg button.on{background:var(--accent);color:#fff}

/* ---------------- board (kanban) ---------------- */
.board{flex:1;display:flex;gap:14px;overflow-x:auto;overflow-y:hidden;padding-bottom:6px}
.column{flex:0 0 320px;display:flex;flex-direction:column;min-height:0;contain:layout paint style}
.col-head{display:flex;align-items:center;gap:8px;padding:4px 6px 10px;position:sticky;top:0}
.col-chip{width:10px;height:10px;border-radius:3px}
.col-title{font-weight:600;font-size:14px}
.col-count{font-size:12px;color:var(--muted);background:rgba(0,0,0,.3);padding:1px 8px;border-radius:8px}
.col-cards{display:flex;flex-direction:column;gap:12px;overflow-y:auto;padding:2px 4px 30px;min-height:60px}
.col-cards.dragover{outline:2px dashed var(--accent);outline-offset:-6px;border-radius:14px}

/* card — block style */
.card{position:relative;padding:14px;border-radius:14px;border:1px solid var(--stroke);
  background:var(--glass-2);cursor:pointer;transition:transform .15s,border-color .15s;
  border-left:4px solid var(--sev,#8b93a7);contain:layout paint style}
.card:hover{transform:translateY(-2px);border-color:var(--stroke-2);box-shadow:0 10px 30px rgba(0,0,0,.4)}
.card .c-top{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.card .c-title{font-weight:600;font-size:15px;line-height:1.3;margin:2px 0 6px}
.card .c-sum{font-size:13px;color:var(--muted);line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .c-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:10px}
.card .c-foot{display:flex;justify-content:space-between;align-items:center;margin-top:10px;font-size:11px;color:var(--muted)}
.chip{font-size:11px;font-weight:600;padding:2px 9px;border-radius:20px;border:1px solid transparent;white-space:nowrap}
.pill{font-size:11px;color:var(--muted);background:rgba(0,0,0,.28);padding:2px 8px;border-radius:8px}
.reward{color:#7ce7b0;font-weight:700}
.chain-badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:var(--accent);font-weight:600}

/* card — row style: one dense line, foot wraps beneath */
.board.style-row .col-cards .card{display:flex;align-items:center;gap:12px;padding:10px 14px;flex-wrap:wrap}
.board.style-row .c-sum{display:none}
.board.style-row .c-top{order:1;margin:0;flex:none}
.board.style-row .c-title{order:2;margin:0;flex:1 1 200px;min-width:160px;font-size:14px}
.board.style-row .c-meta{order:3;margin:0;justify-content:flex-end}
.board.style-row .c-foot{order:4;flex-basis:100%;margin-top:2px}
.board.style-row .column{flex-basis:480px}

/* ---------------- chains view ---------------- */
.chains{flex:1;overflow:auto;padding:10px}
.tree{margin-bottom:26px}
.tree-row{display:flex;align-items:flex-start;gap:0}
.node-wrap{display:flex;flex-direction:column;align-items:flex-start}
.tnode{position:relative;padding:10px 12px;border-radius:12px;border:1px solid var(--stroke);
  background:var(--glass-2);cursor:pointer;min-width:200px;max-width:280px;border-left:4px solid var(--sev,#8b93a7)}
.tnode:hover{border-color:var(--accent)}
.tnode .tn-title{font-weight:600;font-size:14px}
.tnode .tn-meta{font-size:11px;color:var(--muted);margin-top:4px;display:flex;gap:6px;flex-wrap:wrap}
.children{margin-left:34px;border-left:2px solid var(--stroke-2);padding-left:20px;margin-top:10px;
  display:flex;flex-direction:column;gap:14px;position:relative}
.child{position:relative}
.child::before{content:"";position:absolute;left:-20px;top:22px;width:18px;height:2px;background:var(--stroke-2)}
.chains-empty{color:var(--muted);text-align:center;margin-top:40px}

/* ---------------- modal ---------------- */
.modal-wrap{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:24px;
  background:rgba(4,6,12,.6);backdrop-filter:blur(4px)}
.modal{width:min(760px,96vw);max-height:90vh;overflow:auto;padding:22px}
.modal h2{margin:0 0 4px;font-size:20px}
.modal .row{display:flex;gap:12px;flex-wrap:wrap}
.field{display:flex;flex-direction:column;gap:5px;margin:10px 0;flex:1;min-width:150px}
.field label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.field input,.field select,.field textarea{padding:9px 11px;border-radius:10px;border:1px solid var(--stroke-2);
  background:rgba(0,0,0,.28);font-size:14px}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent)}
.field textarea{min-height:120px;resize:vertical;font-family:'JetBrains Mono',monospace;font-size:13px;line-height:1.5}
.modal-actions{display:flex;justify-content:space-between;gap:10px;margin-top:18px;align-items:center}
.modal-actions .right{display:flex;gap:8px}
.md-body{background:rgba(0,0,0,.28);border:1px solid var(--stroke);border-radius:12px;padding:14px 16px;
  font-size:14px;line-height:1.6;max-height:340px;overflow:auto}
.md-body h1,.md-body h2,.md-body h3{margin:.6em 0 .3em;font-size:16px}
.md-body code{font-family:'JetBrains Mono',monospace;background:rgba(0,0,0,.4);padding:1px 5px;border-radius:5px;font-size:12px}
.md-body pre{background:rgba(0,0,0,.45);padding:12px;border-radius:10px;overflow:auto}
.md-body pre code{background:none;padding:0}
.md-body a{color:var(--accent)}
.md-body hr{border:none;border-top:1px solid var(--stroke-2);margin:12px 0}

.link-row{display:flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid var(--stroke);border-radius:10px;margin:6px 0;font-size:13px}
.link-row .x{margin-left:auto;cursor:pointer;color:var(--muted)}
.link-row .x:hover{color:#ff7a85}

/* settings */
.set-section{border-top:1px solid var(--stroke);padding:16px 0;margin-top:6px}
.set-section h3{margin:0 0 10px;font-size:15px}
.opt-list{display:flex;flex-direction:column;gap:6px}
.opt-row{display:flex;align-items:center;gap:8px;font-size:13px}
.opt-row input[type=text]{flex:1;padding:6px 9px;border-radius:8px;border:1px solid var(--stroke-2);background:rgba(0,0,0,.28)}
.opt-row input[type=color]{width:32px;height:30px;border:none;background:none;padding:0;border-radius:6px;cursor:pointer}
.opt-row .def{font-size:11px;cursor:pointer;color:var(--muted)}
.opt-row .def.on{color:#7ce7b0}
.opt-row .x{cursor:pointer;color:var(--muted)}
.opt-row .x:hover{color:#ff7a85}
.tabs{display:flex;gap:6px;margin:10px 0}
.tabs button{padding:6px 12px;border-radius:9px;border:1px solid var(--stroke-2);background:transparent;color:var(--muted);cursor:pointer;font-size:13px}
.tabs button.on{background:var(--accent);color:#fff;border-color:transparent}
.token-box{font-family:'JetBrains Mono',monospace;font-size:12px;word-break:break-all;background:rgba(0,0,0,.35);
  padding:10px;border-radius:10px;border:1px solid var(--stroke)}

/* toast */
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:80;
  background:var(--glass-2);border:1px solid var(--stroke-2);padding:11px 18px;border-radius:12px;
  font-size:14px;box-shadow:var(--shadow);backdrop-filter:blur(14px)}
.toast.ok{border-color:rgba(124,231,176,.5)}
.toast.bad{border-color:rgba(255,122,133,.5)}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2)}

@media(max-width:820px){
  .app{grid-template-columns:1fr}
  .sidebar{display:none}
}