@font-face{
  font-family:"Work Sans";
  src:url("assets/work-sans.ttf") format("truetype");
  font-weight:300 800;
  font-display:swap;
}
@font-face{
  font-family:"IBM Plex Mono";
  src:url("assets/ibm-plex-mono.ttf") format("truetype");
  font-weight:400 600;
  font-display:swap;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
:root{
  --bg:#E9ECF0;
  --surface:#FFFFFF;
  --surface-2:#F3F4F6;
  --ink:#161E28;
  --muted:#6E7B8E;
  --muted-2:#9AA6B8;
  --line:#D6DCE5;
  --line-2:#E6EAF0;
  --blue:#2A5BFF;
  --amber:#E67E00;
  --red:#D92D2D;
  --green:#0E9F6C;
  --radius:12px;
  --radius-sm:8px;
}
body{
  font-family:"Work Sans",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:15px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
button{font:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
::selection{background:#2A5BFF20}

/* Top bar */
.topbar{
  height:48px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;
  position:sticky;top:0;z-index:30;
}
.brand{
  display:flex;align-items:center;gap:12px;
}
.mark{
  width:34px;height:34px;
  background:var(--ink);
  color:#fff;
  display:grid;place-items:center;
  font-weight:800;
  letter-spacing:-0.04em;
  font-size:13px;
  border-radius:6px;
  line-height:1;
}
.brand-name{
  font-weight:700;
  letter-spacing:-0.03em;
  font-size:15px;
}
.brand-sub{
  font-family:"IBM Plex Mono",monospace;
  font-size:11px;
  color:var(--muted);
  letter-spacing:0.06em;
  text-transform:uppercase;
  margin-left:8px;
  padding-left:10px;
  border-left:1px solid var(--line);
}
.topbar-right{
  display:flex;align-items:center;gap:14px;
  font-family:"IBM Plex Mono",monospace;
  font-size:11px;
}
.live{
  display:flex;align-items:center;gap:8px;
  color:var(--muted);
  letter-spacing:0.04em;
}
.live-dot{
  width:8px;height:8px;background:var(--red);border-radius:50%;
  box-shadow:0 0 0 6px rgba(217,45,45,.12);
  animation: pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.7}}
@media(prefers-reduced-motion:reduce){.live-dot{animation:none}}
.user{
  width:30px;height:30px;border-radius:50%;
  background:var(--ink);color:#fff;
  display:grid;place-items:center;
  font-family:"Work Sans",sans-serif;
  font-weight:700;font-size:11px;
}

/* Layout */
.app{
  max-width:1440px;margin:0 auto;
  display:grid;
  grid-template-columns:320px 1fr;
  gap:18px;
  padding:18px 20px 40px;
}
@media(max-width:900px){
  .app{grid-template-columns:1fr; padding:14px 14px 32px}
  .sidebar{order:1}
}

/* Sidebar */
.sidebar{
  display:flex;flex-direction:column;gap:14px;
  position:sticky;top:66px;align-self:start;
  max-height:calc(100vh - 84px);
  overflow:auto;
}
@media(max-width:900px){
  .sidebar{position:static;max-height:none}
}
.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.panel-head{
  padding:14px 16px 12px;
  border-bottom:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;
}
.panel-title{
  font-weight:700;
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--ink);
}
.panel-body{padding:14px 16px}

/* Overview numbers */
.overview-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:10px;
}
.stat{
  background:var(--surface-2);
  border:1px solid var(--line-2);
  border-radius:10px;
  padding:10px 12px;
}
.stat-num{
  font-size:22px;font-weight:800;letter-spacing:-0.04em;line-height:1;
}
.stat-label{
  font-family:"IBM Plex Mono",monospace;
  font-size:10px;letter-spacing:0.07em;text-transform:uppercase;
  color:var(--muted);margin-top:4px;
}
.progress-track{
  height:6px;background:var(--line-2);border-radius:999px;overflow:hidden;
  display:flex;margin-top:10px;
}
.progress-seg{height:100%}
.seg-todo{background:var(--blue)}
.seg-progress{background:var(--amber)}
.seg-blocked{background:var(--red)}
.seg-done{background:var(--green)}

/* Status filter legend */
.status-list{display:flex;flex-direction:column;gap:8px}
.status-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 10px;
  border:1px solid var(--line-2);
  border-radius:8px;
  background:var(--surface);
  cursor:pointer;
  transition:border-color .15s, background .15s;
}
.status-row:hover{border-color:var(--line)}
.status-row.active{border-color:var(--ink);background:var(--surface-2)}
.sr-left{display:flex;align-items:center;gap:10px}
.dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.dot-todo{background:var(--blue)}
.dot-in-progress{background:var(--amber)}
.dot-blocked{background:var(--red)}
.dot-done{background:var(--green)}
.sr-name{font-size:13px;font-weight:600}
.sr-count{
  font-family:"IBM Plex Mono",monospace;
  font-size:11px;background:var(--surface-2);
  border:1px solid var(--line-2);
  padding:2px 7px;border-radius:999px;min-width:24px;text-align:center;
}
.sidebar-footer{
  font-family:"IBM Plex Mono",monospace;
  font-size:10px;color:var(--muted-2);
  line-height:1.6;
  padding:2px 4px;
}

/* Main */
.main{
  display:flex;flex-direction:column;gap:14px;
  min-width:0;
}
.controls{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:14px 14px 12px;
  display:flex;gap:12px;align-items:end;
  flex-wrap:wrap;
}
.ctrl{flex:1;min-width:180px;display:flex;flex-direction:column;gap:6px}
.ctrl label{
  font-family:"IBM Plex Mono",monospace;
  font-size:11px;letter-spacing:0.06em;text-transform:uppercase;
  color:var(--muted);font-weight:600;
}
.input-wrap{position:relative}
.input-wrap svg{
  position:absolute;left:10px;top:50%;translate:0 -50%;
  width:16px;height:16px;color:var(--muted-2);pointer-events:none;
}
.search-input, .filter-select{
  width:100%;
  border:1px solid var(--line);
  background:var(--surface-2);
  border-radius:8px;
  padding:9px 12px 9px 34px;
  font-size:14px;
  color:var(--ink);
  transition:border-color .15s, background .15s, box-shadow .15s;
}
.filter-select{padding-left:12px; appearance:auto}
.search-input::placeholder{color:var(--muted-2)}
.search-input:focus, .filter-select:focus{
  outline:none;background:#fff;border-color:var(--ink);
  box-shadow:0 0 0 3px rgba(42,91,255,.12);
}
.ctrl-filter{max-width:220px}
@media(max-width:600px){
  .controls{flex-direction:column;align-items:stretch}
  .ctrl-filter{max-width:none}
}
.meta-bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 2px;
  font-family:"IBM Plex Mono",monospace;
  font-size:11px;letter-spacing:0.04em;text-transform:uppercase;
  color:var(--muted);
}

/* Task list */
.list{
  display:flex;flex-direction:column;gap:10px;
}
.item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  display:grid;
  grid-template-columns:4px 1fr;
  overflow:hidden;
  transition:border-color .15s, box-shadow .15s, translate .15s;
}
.item:hover{border-color:var(--line-strong);box-shadow:0 4px 18px rgba(22,30,40,.06);translate:0 -1px}
.item:focus-within{border-color:var(--ink)}
.strip{width:4px}
.strip-todo{background:var(--blue)}
.strip-in-progress{background:var(--amber)}
.strip-blocked{background:var(--red)}
.strip-done{background:var(--green)}
.item-inner{
  display:grid;
  grid-template-columns:1fr auto;
  gap:12px;
  padding:14px 16px 12px;
  align-items:center;
}
@media(max-width:600px){
  .item-inner{grid-template-columns:1fr; gap:10px}
}
.item-main{min-width:0}
.item-topline{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-family:"IBM Plex Mono",monospace;
  font-size:10px;letter-spacing:0.05em;text-transform:uppercase;
  color:var(--muted);
}
.badge{
  padding:3px 7px;border-radius:999px;
  font-weight:700;letter-spacing:0.06em;
  border:1px solid transparent;
  line-height:1;
}
.badge-todo{background:#EBEFFF;color:var(--blue);border-color:#D6DDFF}
.badge-in-progress{background:#FFF3D6;color:#8A5A00;border-color:#FFE9A8}
.badge-blocked{background:#FFEBEB;color:var(--red);border-color:#FFD0D0}
.badge-done{background:#E6F6EE;color:var(--green);border-color:#C6EAD9}
.proj{color:var(--muted)}
.item-title{
  font-weight:700;
  font-size:15px;
  letter-spacing:-0.02em;
  line-height:1.25;
  margin:6px 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.item-summary{
  font-size:13px;color:var(--muted);line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.item-meta{
  display:flex;align-items:center;gap:10px;
  margin-top:10px;flex-wrap:wrap;
  font-family:"IBM Plex Mono",monospace;
  font-size:11px;color:var(--muted);
}
.assignee{
  display:flex;align-items:center;gap:7px;
}
.avatar{
  width:22px;height:22px;border-radius:50%;
  background:var(--ink);color:#fff;
  display:grid;place-items:center;
  font-family:"Work Sans",sans-serif;
  font-weight:700;font-size:9px;
}
.due{
  display:flex;align-items:center;gap:6px;
  padding:3px 8px;background:var(--surface-2);
  border:1px solid var(--line-2);border-radius:999px;
}
.due.overdue{background:#FFF0E6;border-color:#FFD9BF;color:#8A3D00}
.priority-dot{width:6px;height:6px;border-radius:50%;display:inline-block}
.priority-high{background:var(--red)}
.priority-medium{background:var(--amber)}
.priority-low{background:var(--green)}

.item-actions{
  display:flex;flex-direction:column;align-items:flex-end;gap:8px;
  align-self:stretch;
}
@media(max-width:600px){
  .item-actions{flex-direction:row;align-items:center;justify-content:space-between}
}
.comments{
  display:flex;align-items:center;gap:5px;
  font-family:"IBM Plex Mono",monospace;
  font-size:11px;color:var(--muted);
}
.open-btn{
  border:1px solid var(--ink);
  background:var(--ink);
  color:#fff;
  padding:8px 14px;
  border-radius:999px;
  font-size:13px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
  cursor:pointer;
  transition:background .15s, color .15s, border-color .15s;
  white-space:nowrap;
}
.open-btn:hover{background:#fff;color:var(--ink)}
.open-btn:active{scale:.98}

/* Empty */
.empty{
  background:var(--surface);
  border:1px dashed var(--line-strong);
  border-radius:var(--radius);
  padding:32px 24px;
  text-align:center;
}
.empty h3{margin:0 0 6px;font-size:16px;letter-spacing:-0.02em}
.empty p{margin:0;color:var(--muted);font-size:13px}
.empty button{
  margin-top:14px;
  background:var(--ink);color:#fff;
  border:1px solid var(--ink);
  padding:9px 16px;border-radius:999px;
  font-weight:600;cursor:pointer;
}
.empty button:hover{background:#fff;color:var(--ink)}

/* Detail overlay */
.detail-backdrop{
  position:fixed;inset:0;
  background:rgba(15,23,34,.42);
  backdrop-filter:blur(6px);
  z-index:40;
  display:none;
}
.detail-backdrop.open{display:block}
.detail{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(560px,100%);
  background:var(--surface);
  border-left:1px solid var(--line);
  z-index:50;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .26s cubic-bezier(.32,.72,0,1);
  overflow:auto;
}
.detail.open{transform:translateX(0)}
@media(prefers-reduced-motion:reduce){.detail{transition:none}}
.detail-top{
  padding:16px 20px;
  border-bottom:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;
  position:sticky;top:0;background:var(--surface);z-index:1;
}
.detail-kicker{
  font-family:"IBM Plex Mono",monospace;
  font-size:10px;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--muted);
}
.detail h2{
  margin:4px 0 0;
  font-size:20px;line-height:1.25;letter-spacing:-0.03em;font-weight:800;
}
.detail-scroll{padding:20px}
.detail-meta-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
  margin-bottom:18px;
}
.meta-card{
  background:var(--surface-2);
  border:1px solid var(--line-2);
  border-radius:10px;
  padding:10px 12px;
}
.meta-card dt{
  font-family:"IBM Plex Mono",monospace;
  font-size:10px;letter-spacing:0.07em;text-transform:uppercase;color:var(--muted);margin:0 0 4px;
}
.meta-card dd{margin:0;font-size:13px;font-weight:600}
.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:2px}
.tag{
  font-family:"IBM Plex Mono",monospace;
  font-size:10px;letter-spacing:0.05em;text-transform:uppercase;
  background:var(--surface);border:1px solid var(--line);padding:3px 7px;border-radius:999px;
}
.detail-body{
  font-size:14px;line-height:1.65;color:#1F2A38;
  white-space:pre-wrap;
  background:var(--surface-2);
  border:1px solid var(--line-2);
  border-radius:10px;
  padding:16px;
}
.status-field{
  margin-top:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px;
  display:flex;flex-direction:column;gap:8px;
}
.status-field label{
  font-family:"IBM Plex Mono",monospace;
  font-size:11px;letter-spacing:0.06em;text-transform:uppercase;
  font-weight:700;color:var(--ink);
}
.status-field select{
  border:1px solid var(--line);
  background:var(--surface-2);
  border-radius:8px;
  padding:10px 12px;
  font-size:14px;font-weight:600;
}
.toast{
  margin-top:10px;
  background:var(--ink);color:#fff;
  font-family:"IBM Plex Mono",monospace;
  font-size:12px;
  padding:10px 12px;border-radius:8px;
  display:none;
}
.toast.show{display:block}
.detail-actions{
  display:flex;gap:10px;
  padding:16px 20px;
  border-top:1px solid var(--line-2);
  position:sticky;bottom:0;background:var(--surface);
}
.btn-ghost{
  flex:1;
  border:1px solid var(--line);
  background:var(--surface);
  padding:10px 14px;border-radius:999px;
  font-weight:600;cursor:pointer;
}
.btn-ghost:hover{border-color:var(--ink)}
.btn-primary{
  flex:1;
  border:1px solid var(--ink);
  background:var(--ink);color:#fff;
  padding:10px 14px;border-radius:999px;
  font-weight:700;cursor:pointer;
}
.btn-primary:hover{background:#fff;color:var(--ink)}
.close-x{
  width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);
  background:var(--surface);
  display:grid;place-items:center;
  cursor:pointer;
}
.close-x:hover{border-color:var(--ink);background:var(--surface-2)}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}