@font-face{
  font-family: "Space Grotesk";
  src: url("./assets/space-grotesk.ttf") format("truetype");
  font-display: swap;
  font-weight: 400 700;
}
@font-face{
  font-family: "IBM Plex Mono";
  src: url("./assets/ibm-plex-mono.ttf") format("truetype");
  font-display: swap;
  font-weight: 400 600;
}
@font-face{
  font-family: "Work Sans";
  src: url("./assets/work-sans.ttf") format("truetype");
  font-display: swap;
  font-weight: 400 600;
}

:root{
  --bg: #ECEEEA;
  --surface: #FFFFFF;
  --ink: #0F1B18;
  --muted: #5B645F;
  --line: #D6DAD5;
  --line-strong: #B9C0BA;
  --accent: #1B7A6A;
  --accent-strong: #145E51;
  --accent-soft: #E0F2EE;
  --todo: #6B7280;
  --in-progress: #1B7A6A;
  --blocked: #C23A2B;
  --done: #0F1B18;
  --radius-sm: 6px;
  --radius-md: 10px;
  --focus: #1B7A6A;
  --shadow: 0 8px 28px rgba(15,27,24,0.12);
}

*{ box-sizing: border-box; }
html{ color-scheme: light; scroll-behavior: smooth; }
body{
  margin:0;
  font-family: "Work Sans", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  -webkit-tap-highlight-color: rgba(27,122,106,0.2);
  touch-action: manipulation;
}
img{ max-width:100%; display:block; }

.skip-link{
  position:absolute;
  top:8px; left:8px;
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
  border-radius: 4px;
  transform: translateY(-200%);
  z-index: 100;
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus{ transform: translateY(0); outline: 2px solid var(--focus); outline-offset:2px; }

.site-header{
  position: sticky;
  top:0;
  z-index: 20;
  background: var(--ink);
  color: #E8EDEA;
  border-bottom: 3px solid var(--accent);
}
.header-inner{
  max-width: 1440px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
}
.brand{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.brand-mark{
  width:38px; height:38px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:3px;
  flex-shrink:0;
}
.brand-mark span{
  background: var(--accent);
  border-radius: 1px;
}
.brand-mark span:nth-child(2){ background: #E8EDEA; }
.brand-mark span:nth-child(3){ background: #E8EDEA; opacity:0.7; }
.brand-mark span:nth-child(4){ background: transparent; border:1px solid #E8EDEA; }
.brand-text{ line-height:1; }
.brand-name{
  margin:0;
  font-family: "Space Grotesk", sans-serif;
  font-weight:700;
  font-size: 22px;
  letter-spacing: 0.14em;
  line-height:1;
  text-wrap: balance;
}
.brand-sub{
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity:0.85;
  display:block;
  margin-top:3px;
}
.brand-badge{
  margin-left: 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing:0.08em;
  background: var(--accent);
  color:#fff;
  padding: 5px 8px;
  border-radius: 999px;
  font-weight:600;
  white-space:nowrap;
}
.header-meta{
  display:flex;
  align-items:center;
  gap:16px;
  flex-shrink:0;
}
.header-date{
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing:0.08em;
  text-transform: uppercase;
  opacity:0.9;
  white-space:nowrap;
}
.avatar-stack{ display:flex; align-items:center; }
.avatar{
  width:30px; height:30px;
  border-radius: 999px;
  background: #E8EDEA;
  color: var(--ink);
  display:grid;
  place-items:center;
  font-family: "IBM Plex Mono", monospace;
  font-size:11px;
  font-weight:600;
  border:2px solid var(--ink);
  margin-left:-8px;
}
.avatar:first-child{ margin-left:0; }
.avatar.more{ background: var(--accent); color:#fff; }

/* Workspace */
.workspace{
  max-width: 1440px;
  margin:0 auto;
  display:grid;
  grid-template-columns: 300px 1fr;
  min-height: calc(100vh - 60px);
  gap:0;
  align-items: start;
}
.sidebar{
  position: sticky;
  top: 61px;
  align-self: start;
  background: var(--surface);
  border-right: 1px solid var(--line);
  min-height: calc(100vh - 61px);
  padding: 20px 20px 24px;
  display:flex;
  flex-direction:column;
  gap:24px;
}
.sidebar-section{ display:flex; flex-direction:column; gap:12px; }
.sidebar-heading{
  margin:0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 11px;
  letter-spacing:0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight:700;
}
.control-group{ display:flex; flex-direction:column; gap:6px; }
.control-label{
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing:0.08em;
  text-transform: uppercase;
  font-weight:600;
  color: var(--ink);
}
.search-wrap{
  position:relative;
  display:flex;
  align-items:center;
}
.search-icon{
  position:absolute;
  left:10px;
  color: var(--muted);
  pointer-events:none;
}
#searchInput{
  width:100%;
  padding: 10px 12px 10px 32px;
  border:1.5px solid var(--line);
  border-radius: 8px;
  background: #F7F7F5;
  color: var(--ink);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}
#searchInput::placeholder{ color: var(--muted); }
#searchInput:hover{ border-color: var(--line-strong); background:#fff; }
#searchInput:focus-visible{
  outline: 2px solid var(--focus);
  outline-offset:2px;
  border-color: var(--accent);
  background:#fff;
}
#filterSelect{
  width:100%;
  padding: 10px 36px 10px 12px;
  border:1.5px solid var(--line);
  border-radius: 8px;
  background-color: #F7F7F5;
  color: var(--ink);
  font-size: 14px;
  font-family: inherit;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%230F1B18' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}
#filterSelect:hover{ border-color: var(--line-strong); background-color:#fff; }
#filterSelect:focus-visible{
  outline: 2px solid var(--focus);
  outline-offset:2px;
  border-color: var(--accent);
  background-color:#fff;
}
.sidebar-hint{
  margin:0;
  font-size: 12px;
  color: var(--muted);
  line-height:1.4;
}
.status-ledger{
  list-style:none;
  margin:0; padding:0;
  display:flex;
  flex-direction:column;
  gap:0;
  border:1px solid var(--line);
  border-radius: 8px;
  overflow:hidden;
  background:#fff;
}
.ledger-row{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 10px 12px;
  border-bottom:1px solid var(--line);
  font-size: 13px;
}
.ledger-row:last-child{ border-bottom:none; }
.ledger-dot{
  width:10px; height:10px;
  border-radius: 999px;
  flex-shrink:0;
}
.ledger-dot.todo{ background: var(--todo); }
.ledger-dot.in-progress{ background: var(--in-progress); }
.ledger-dot.blocked{ background: var(--blocked); }
.ledger-dot.done{ background: var(--done); }
.ledger-label{ flex:1; font-weight:600; }
.ledger-count{
  font-family: "IBM Plex Mono", monospace;
  font-variant-numeric: tabular-nums;
  background: #F0F2F0;
  padding: 2px 8px;
  border-radius: 999px;
  font-size:12px;
  min-width: 28px;
  text-align:center;
}
.sidebar-note{
  background: var(--accent-soft);
  border:1px solid #CDE8E2;
  border-radius: 8px;
  padding: 12px;
}
.sidebar-note p{
  margin:0;
  font-size: 12px;
  color: #1A3D36;
  line-height:1.5;
}
.project-list{
  list-style:none;
  margin:0; padding:0;
  display:flex;
  flex-direction:column;
  gap:8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing:0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.project-list li{
  display:flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom:1px dashed var(--line);
}
.project-list li:last-child{ border-bottom:none; }

.list-panel{
  padding: 28px 32px 40px;
  min-width:0;
}
.list-head{
  display:flex;
  align-items:flex-end;
  justify-content: space-between;
  gap:16px;
  margin-bottom:18px;
  border-bottom: 1px solid var(--line);
  padding-bottom:14px;
}
.list-title-wrap{ display:flex; align-items: baseline; gap:12px; flex-wrap:wrap; }
.list-title{
  margin:0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 30px;
  font-weight:700;
  letter-spacing:-0.02em;
  line-height:1;
  text-wrap: balance;
}
.list-count{
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing:0.08em;
  text-transform: uppercase;
  background: var(--ink);
  color:#fff;
  padding:4px 8px;
  border-radius:999px;
  font-variant-numeric: tabular-nums;
}
.list-sort{
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing:0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.task-list{
  list-style:none;
  margin:0; padding:0;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.task-item{
  position:relative;
  display:grid;
  grid-template-columns: 4px 1fr auto;
  gap:0;
  background: var(--surface);
  border:1px solid var(--line);
  border-radius: 8px;
  overflow:hidden;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.task-item:hover{
  border-color: var(--line-strong);
  box-shadow: 0 2px 10px rgba(15,27,24,0.06);
}
.task-item:focus-within{
  border-color: var(--accent);
}
.accent{
  width:4px;
  background: var(--todo);
}
.accent.todo{ background: var(--todo); }
.accent.in-progress{ background: var(--in-progress); }
.accent.blocked{ background: var(--blocked); }
.accent.done{ background: var(--done); }

.task-main{
  padding: 14px 16px 14px 16px;
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.task-top{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:"IBM Plex Mono", monospace;
  font-size:10px;
  letter-spacing:0.08em;
  text-transform: uppercase;
  font-weight:600;
  padding:3px 8px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#F7F7F5;
  white-space:nowrap;
}
.status-pill.todo{ color:#4B5563; border-color:#D1D5DB; background:#F3F4F6; }
.status-pill.in-progress{ color:#145E51; border-color:#BFE0D9; background:#E0F2EE; }
.status-pill.blocked{ color:#7A1F14; border-color:#E8B4AF; background:#FDECEA; }
.status-pill.done{ color:#fff; background: var(--ink); border-color: var(--ink); }

.priority{
  font-family:"IBM Plex Mono", monospace;
  font-size:10px;
  letter-spacing:0.08em;
  text-transform: uppercase;
  padding:3px 6px;
  border-radius:4px;
  font-weight:600;
}
.priority.high{ background:#FFF1E6; color:#9A3B00; border:1px solid #FFD8B5; }
.priority.medium{ background:#EEF2FF; color:#3730A3; border:1px solid #C7D2FE; }
.priority.low{ background:#F0F2F0; color:#44504C; border:1px solid var(--line); }

.project-tag{
  font-family:"IBM Plex Mono", monospace;
  font-size:11px;
  color: var(--muted);
  background:#F7F7F5;
  border:1px solid var(--line);
  padding:2px 6px;
  border-radius:4px;
  white-space:nowrap;
}
.task-title{
  margin:0;
  font-family:"Space Grotesk", sans-serif;
  font-size: 16px;
  font-weight:600;
  line-height:1.3;
  letter-spacing:-0.01em;
  overflow-wrap: break-word;
  word-break: break-word;
}
.task-title a,
.task-title button{
  all:unset;
  cursor:pointer;
}
.task-summary{
  margin:0;
  font-size:13px;
  color: var(--muted);
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient: vertical;
  overflow:hidden;
  overflow-wrap: break-word;
}
.task-meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  font-size:12px;
  color: var(--muted);
  min-width:0;
}
.task-meta span{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-width:0;
}
.task-meta .dot{ width:3px; height:3px; background: var(--line-strong); border-radius:999px; display:inline-block; }
.assignee{
  font-weight:600;
  color: var(--ink);
  white-space:nowrap;
}
.due{
  font-variant-numeric: tabular-nums;
  font-family:"IBM Plex Mono", monospace;
  font-size:11px;
  white-space:nowrap;
}
.due.overdue{ color: var(--blocked); font-weight:600; }

.task-actions{
  display:flex;
  flex-direction:column;
  align-items: stretch;
  justify-content: space-between;
  padding: 12px 14px;
  border-left:1px solid var(--line);
  background: #FAFBFA;
  gap:10px;
  min-width: 140px;
}
.comments{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:"IBM Plex Mono", monospace;
  font-size:11px;
  color: var(--muted);
  background:#fff;
  border:1px solid var(--line);
  padding:6px 8px;
  border-radius:999px;
  align-self:flex-start;
  white-space:nowrap;
}
.btn{
  appearance:none;
  border:1px solid transparent;
  border-radius: 999px;
  padding: 8px 14px;
  font-family:"Work Sans", sans-serif;
  font-size: 13px;
  font-weight:600;
  letter-spacing:0.02em;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
  text-decoration:none;
}
.btn:focus-visible{ outline: 2px solid var(--focus); outline-offset:2px; }
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0); }

.btn-ghost{
  background:#fff;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover{ border-color: var(--ink); background:#fff; }
.btn-primary{
  background: var(--ink);
  color:#fff;
  border-color: var(--ink);
}
.btn-primary:hover{ background:#1A2E2A; }
.btn-accent{
  background: var(--accent);
  color:#fff;
  border-color: var(--accent);
}
.btn-accent:hover{ background: var(--accent-strong); }

.open-item-btn{
  font-size:12px;
  padding:8px 12px;
  white-space:nowrap;
}

.empty-state{
  margin-top:16px;
  background: var(--surface);
  border:1.5px dashed var(--line-strong);
  border-radius: 12px;
  padding: 32px 24px;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
}
.empty-state[hidden]{ display:none !important; }
.empty-icon{
  width:44px; height:44px;
  display:grid;
  place-items:center;
  background:#F0F2F0;
  border-radius:999px;
  font-size:18px;
  color: var(--muted);
}
.empty-state h3{
  margin:0;
  font-family:"Space Grotesk", sans-serif;
  font-size:18px;
}
.empty-state p{
  margin:0;
  max-width: 44ch;
  color: var(--muted);
  font-size:14px;
  line-height:1.5;
  overflow-wrap: break-word;
}

/* Detail */
.detail-root{
  position: fixed;
  inset:0;
  z-index: 40;
  display:flex;
  justify-content: flex-end;
}
.detail-root[hidden]{ display:none !important; }
.detail-overlay{
  position:absolute;
  inset:0;
  background: rgba(15,27,24,0.38);
  backdrop-filter: blur(2px);
  opacity:1;
  transition: opacity 0.2s ease;
}
.detail-panel{
  position:relative;
  width: min(480px, 92vw);
  max-width: 100%;
  background: var(--surface);
  border-left:1px solid var(--line);
  box-shadow: var(--shadow);
  height:100%;
  overflow:auto;
  overscroll-behavior: contain;
  display:flex;
  flex-direction:column;
  animation: slideIn 0.22s ease;
}
@keyframes slideIn{
  from{ transform: translateX(12px); opacity:0; }
  to{ transform: translateX(0); opacity:1; }
}
.detail-header{
  position: sticky;
  top:0;
  background: var(--surface);
  border-bottom:1px solid var(--line);
  padding: 14px 18px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap:12px;
  z-index:1;
}
.detail-kicker{
  font-family:"IBM Plex Mono", monospace;
  font-size:11px;
  letter-spacing:0.08em;
  text-transform: uppercase;
  color: var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}
.detail-body-wrap{
  padding: 22px 22px 28px;
  display:flex;
  flex-direction:column;
  gap:18px;
  flex:1;
}
.detail-title{
  margin:0;
  font-family:"Space Grotesk", sans-serif;
  font-size: 24px;
  font-weight:700;
  line-height:1.25;
  letter-spacing:-0.02em;
  overflow-wrap: break-word;
  text-wrap: balance;
}
.detail-full-body{
  margin:0;
  white-space: pre-wrap;
  font-size:14px;
  line-height:1.7;
  color: #1E2B28;
  background:#F7F7F5;
  border:1px solid var(--line);
  border-radius:10px;
  padding:16px;
  overflow-wrap: break-word;
}
.detail-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
.detail-field{
  background:#fff;
  border:1px solid var(--line);
  border-radius:8px;
  padding:10px 12px;
  display:flex;
  flex-direction:column;
  gap:4px;
  min-width:0;
}
.detail-field-label{
  font-family:"IBM Plex Mono", monospace;
  font-size:10px;
  letter-spacing:0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight:600;
}
.detail-field-value{
  font-size:13px;
  font-weight:600;
  overflow-wrap: break-word;
  min-width:0;
}
.detail-field-value.mono{
  font-family:"IBM Plex Mono", monospace;
  font-weight:500;
  font-variant-numeric: tabular-nums;
}
.tags{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
}
.tag{
  font-family:"IBM Plex Mono", monospace;
  font-size:11px;
  letter-spacing:0.06em;
  text-transform: uppercase;
  background: #F0F2F0;
  border:1px solid var(--line);
  padding:4px 8px;
  border-radius:999px;
  white-space:nowrap;
}
.status-control-wrap{
  background: #0F1B18;
  color:#E8EDEA;
  border-radius:10px;
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.status-control-wrap label{
  font-family:"IBM Plex Mono", monospace;
  font-size:11px;
  letter-spacing:0.1em;
  text-transform: uppercase;
  font-weight:600;
  color:#E8EDEA;
}
#statusControl{
  width:100%;
  padding:10px 36px 10px 12px;
  border-radius:8px;
  border:1px solid #2A3A36;
  background-color:#1A2E2A;
  color:#E8EDEA;
  font-size:14px;
  font-weight:600;
  appearance:none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23E8EDEA' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position: right 12px center;
}
#statusControl:focus-visible{ outline:2px solid #2BF0B0; outline-offset:2px; }
.status-hint{ font-size:12px; opacity:0.8; line-height:1.4; margin:0; }

.detail-actions{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

.toast-region{
  position: fixed;
  bottom: max(16px, env(safe-area-inset-bottom));
  left:50%;
  transform: translateX(-50%);
  z-index: 50;
  display:flex;
  flex-direction:column;
  gap:8px;
  align-items:center;
  pointer-events:none;
}
.toast{
  background: var(--ink);
  color:#fff;
  padding:10px 16px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  box-shadow: var(--shadow);
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid #1A2E2A;
  animation: toastIn 0.2s ease;
}
@keyframes toastIn{ from{ transform: translateY(6px); opacity:0;} to{ transform: translateY(0); opacity:1;} }

/* Responsive */
@media (max-width: 980px){
  .workspace{ grid-template-columns: 1fr; }
  .sidebar{
    position: static;
    min-height:auto;
    border-right:none;
    border-bottom:1px solid var(--line);
    padding: 16px;
    gap:16px;
  }
  .sidebar-footer{ display:none; }
  .list-panel{ padding: 20px 16px 32px; }
  .task-item{
    grid-template-columns: 4px 1fr;
  }
  .task-actions{
    grid-column: 2;
    flex-direction:row;
    align-items:center;
    justify-content: space-between;
    border-left:none;
    border-top:1px solid var(--line);
    padding:10px 14px;
  }
  .detail-panel{
    width:100%;
    max-width:none;
    border-left:none;
  }
  .header-inner{ padding: 12px 16px; }
  .header-date{ display:none; }
  .brand-badge{ display:none; }
}

@media (max-width: 420px){
  .list-head{ flex-direction:column; align-items:flex-start; }
  .detail-grid{ grid-template-columns: 1fr; }
}

:focus-visible{ outline: 2px solid var(--focus); outline-offset:2px; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible{ outline: 2px solid var(--focus); outline-offset:2px; }

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}