:root{
  --bg:#0A0F17; --card:#121A26; --card-2:#162130; --hover:#1B2839;
  --line:rgba(255,255,255,.07); --line-2:rgba(255,255,255,.12);
  --txt:#E6ECF5; --muted:#8493A8; --faint:#56657B;
  --blue:#4C8DF6; --blue-d:#1E3A5F;
  --slate:#5B6B82; --amber:#F0A92E; --amber-d:#3A2C10;
  --green:#34C977; --green-d:#10301F;
  --r:10px; --r-lg:14px;
  --mono:ui-monospace,'SF Mono','JetBrains Mono',Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI','Inter',Roboto,Helvetica,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);background:var(--bg);
  background-image:radial-gradient(1200px 600px at 80% -10%,rgba(76,141,246,.08),transparent 60%);
  color:var(--txt);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;padding-bottom:64px;
}
::selection{background:rgba(76,141,246,.3)}

/* HEADER */
header{position:sticky;top:0;z-index:50;background:rgba(10,15,23,.82);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.head-inner{max-width:920px;margin:0 auto;padding:18px 24px 16px}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.mark{width:38px;height:38px;border-radius:10px;background:var(--blue);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 0 0 1px rgba(76,141,246,.4),0 8px 24px -8px rgba(76,141,246,.6)}
.mark svg{width:21px;height:21px}
.brand h1{font-size:16px;font-weight:600;letter-spacing:-.01em;line-height:1.2}
.brand .eyebrow{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--blue);font-weight:500;margin-bottom:1px;
  display:flex;align-items:center;gap:8px}
.ro-badge{font-family:var(--sans);font-size:9.5px;letter-spacing:.04em;color:var(--muted);
  background:var(--card-2);border:1px solid var(--line);padding:2px 7px;border-radius:5px;text-transform:none}

.prog-wrap{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.prog-main{flex:1;min-width:220px}
.prog-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:7px}
.prog-label{font-size:12.5px;color:var(--muted)}
.prog-pct{font-family:var(--mono);font-size:18px;font-weight:600;color:var(--txt);letter-spacing:-.02em}
.prog-pct .u{font-size:12px;color:var(--muted);font-weight:500}
.bar{height:8px;border-radius:99px;background:rgba(255,255,255,.06);overflow:hidden;position:relative}
.bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,#2EA866,#34C977);
  width:0;transition:width .5s cubic-bezier(.4,0,.2,1)}
.stats{display:flex;gap:20px}
.stat{text-align:right}
.stat .v{font-family:var(--mono);font-size:17px;font-weight:600;letter-spacing:-.02em}
.stat .k{font-size:10.5px;color:var(--faint);text-transform:uppercase;letter-spacing:.06em;margin-top:1px}
.stat.done .v{color:var(--green)} .stat.prog .v{color:var(--amber)}

/* ADMIN banner */
.admin-banner{max-width:920px;margin:14px auto 0;padding:0 24px}
.admin-banner .inner{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--blue);
  border-radius:10px;padding:12px 16px;font-size:12.5px;color:var(--muted);line-height:1.55}
.admin-banner b{color:var(--txt);font-weight:600}

/* TOOLBAR */
.toolbar{max-width:920px;margin:0 auto;padding:16px 24px 4px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.filters{display:flex;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:99px;padding:3px}
.fbtn{border:none;background:none;color:var(--muted);font-family:var(--sans);font-size:12.5px;font-weight:500;
  padding:6px 13px;border-radius:99px;cursor:pointer;transition:.15s;white-space:nowrap;display:flex;align-items:center;gap:6px}
.fbtn:hover{color:var(--txt)}
.fbtn.active{background:var(--hover);color:var(--txt)}
.fbtn .dot{width:7px;height:7px;border-radius:50%}
.fbtn.f-pend .dot{background:var(--slate)} .fbtn.f-prog .dot{background:var(--amber)} .fbtn.f-done .dot{background:var(--green)}
.spacer{flex:1}
.tbtn{border:1px solid var(--line);background:var(--card);color:var(--muted);font-family:var(--sans);
  font-size:12.5px;font-weight:500;padding:7px 13px;border-radius:9px;cursor:pointer;transition:.15s;
  display:flex;align-items:center;gap:7px}
.tbtn:hover{background:var(--hover);color:var(--txt);border-color:var(--line-2)}
.tbtn svg{width:14px;height:14px}
.tbtn.primary{background:var(--blue-d);border-color:rgba(76,141,246,.4);color:#CFE0FB}
.tbtn.primary:hover{background:#244B79;color:#fff}
.tbtn.danger:hover{color:#FF6B6B;border-color:rgba(255,107,107,.3)}

/* TIMELINE */
main{max-width:920px;margin:0 auto;padding:20px 24px 0}
.phase{position:relative;padding-left:58px;padding-bottom:8px}
.phase:last-child{padding-bottom:0}
.phase::before{content:"";position:absolute;left:23px;top:46px;bottom:-8px;width:2px;background:var(--line);border-radius:2px}
.phase:last-child::before{display:none}
.phase.done::before{background:linear-gradient(180deg,var(--green),rgba(52,201,119,.25))}

.node{position:absolute;left:0;top:0;width:48px;height:48px;cursor:pointer}
.node svg{transform:rotate(-90deg)}
.node .track{stroke:rgba(255,255,255,.09)}
.node .arc{stroke:var(--blue);transition:stroke-dashoffset .5s ease,stroke .3s}
.node.done .arc{stroke:var(--green)}
.node .center{position:absolute;inset:6px;border-radius:50%;background:var(--card-2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:15px;font-weight:600;
  color:var(--muted);transition:.3s}
.node.done .center{background:var(--green-d);border-color:rgba(52,201,119,.4);color:var(--green)}
.node.active .center{color:var(--txt)}
.node .center svg{width:18px;height:18px;transform:none}

.pcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;margin-bottom:14px;transition:border-color .2s}
.pcard:hover{border-color:var(--line-2)}
.phead{display:flex;align-items:center;gap:12px;padding:14px 18px;cursor:pointer;user-select:none}
.phead:hover{background:rgba(255,255,255,.015)}
.ptitle{flex:1;min-width:0}
.ptitle .nm{font-size:15px;font-weight:600;letter-spacing:-.01em;display:flex;align-items:center;gap:9px}
.ptitle .wk{font-family:var(--mono);font-size:10.5px;color:var(--faint);font-weight:500;padding:2px 7px;border:1px solid var(--line);border-radius:6px;white-space:nowrap}
.ptitle .meta{font-size:12px;color:var(--muted);margin-top:3px}
.pcount{font-family:var(--mono);font-size:12.5px;color:var(--muted);white-space:nowrap}
.pcount b{color:var(--txt);font-weight:600}
.chev{color:var(--faint);transition:transform .25s;flex-shrink:0}
.chev svg{width:18px;height:18px;display:block}
.pcard.collapsed .chev{transform:rotate(-90deg)}

.tasks{border-top:1px solid var(--line);max-height:2000px;overflow:hidden;transition:max-height .3s ease}
.pcard.collapsed .tasks{max-height:0;border-top-color:transparent}

.task{display:flex;align-items:flex-start;gap:13px;padding:11px 18px 11px 20px;
  border-bottom:1px solid rgba(255,255,255,.04);transition:background .15s;cursor:pointer}
.task:last-child{border-bottom:none}
.task:hover{background:rgba(255,255,255,.02)}
.task.hidden{display:none}
.tdot{width:20px;height:20px;border-radius:50%;border:2px solid var(--slate);flex-shrink:0;margin-top:1px;
  position:relative;transition:.2s;display:flex;align-items:center;justify-content:center}
.tdot svg{width:12px;height:12px;opacity:0;transition:.2s;color:#06140C}
.task[data-s="1"] .tdot{border-color:var(--amber);background:transparent}
.task[data-s="1"] .tdot::after{content:"";width:9px;height:9px;border-radius:50%;background:var(--amber)}
.task[data-s="2"] .tdot{border-color:var(--green);background:var(--green)}
.task[data-s="2"] .tdot svg{opacity:1}
.task:active .tdot{transform:scale(.85)}
.tbody{flex:1;min-width:0}
.ttext{font-size:13.5px;color:var(--txt);transition:.2s;line-height:1.45}
.task[data-s="2"] .ttext{color:var(--muted);text-decoration:line-through;text-decoration-color:rgba(255,255,255,.2)}
.tstatus{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.06em;margin-top:3px;color:var(--faint);transition:.2s}
.task[data-s="1"] .tstatus{color:var(--amber)} .task[data-s="2"] .tstatus{color:var(--green)}
.task.milestone .ttext{font-weight:600}
.task.milestone{background:rgba(76,141,246,.04)}
.mflag{display:inline-flex;align-items:center;gap:5px;font-family:var(--mono);font-size:9.5px;text-transform:uppercase;
  letter-spacing:.08em;color:var(--blue);background:var(--blue-d);padding:2px 7px;border-radius:5px;margin-left:8px;vertical-align:2px}

/* read-only mode: client cannot edit */
main.readonly .task{cursor:default}
main.readonly .task:hover{background:transparent}
main.readonly .task:active .tdot{transform:none}
main.readonly .node{cursor:default}

footer{max-width:920px;margin:40px auto 0;padding:20px 24px;border-top:1px solid var(--line);
  font-size:12px;color:var(--faint);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
footer .saved{font-family:var(--mono)}
footer a{color:var(--muted);text-decoration:none}footer a:hover{color:var(--blue)}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--card-2);
  border:1px solid var(--line-2);color:var(--txt);font-size:13px;padding:11px 18px;border-radius:10px;
  box-shadow:0 12px 40px -8px rgba(0,0,0,.6);opacity:0;pointer-events:none;transition:.25s;z-index:100;
  display:flex;align-items:center;gap:9px}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast svg{width:16px;height:16px;color:var(--green)}

@media(max-width:560px){
  .head-inner,.toolbar,main,.admin-banner{padding-left:16px;padding-right:16px}
  .stats{width:100%;justify-content:flex-start;gap:24px}
  .stat{text-align:left}
  .phase{padding-left:50px}
  .ptitle .wk{display:none}
  .phead{padding:12px 14px}
  .task{padding:11px 14px 11px 16px}
}