:root{
    --bg:#0b0f17;
    --card:#111827;
    --card2:#0f172a;
    --text:#e5e7eb;
    --muted:#94a3b8;
    --border:#1f2937;
    --accent:#60a5fa;
    --accent2:#22c55e;
    --danger:#ef4444;
    --shadow: 0 20px 50px rgba(0,0,0,.45);
    --r: 18px;
  }
  
  *{ box-sizing:border-box; }
  body{
    margin:0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
    background: radial-gradient(1200px 800px at 20% -10%, rgba(96,165,250,.25), transparent 60%),
                radial-gradient(900px 650px at 90% 10%, rgba(34,197,94,.18), transparent 55%),
                var(--bg);
    color:var(--text);
  }
  
  .app{ min-height:100vh; }
  
  .topbar{
    position:sticky; top:0; z-index:10;
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 18px;
    border-bottom:1px solid var(--border);
    background: rgba(11,15,23,.85);
    backdrop-filter: blur(10px);
  }
  
  .brand{ display:flex; gap:12px; align-items:center; }
  .logo{
    width:42px; height:42px; border-radius:14px;
    display:grid; place-items:center;
    background: linear-gradient(135deg, rgba(96,165,250,.35), rgba(34,197,94,.25));
    border:1px solid rgba(255,255,255,.08);
    box-shadow: var(--shadow);
    font-weight:800;
  }
  .brandTitle{ font-size:16px; font-weight:750; }
  .brandSub{ font-size:12px; color:var(--muted); margin-top:2px; }
  
  .topbarRight{
    display:flex; gap:10px; align-items:end; flex-wrap:wrap;
  }
  
  .field{ display:flex; flex-direction:column; gap:6px; }
  .field label{ font-size:11px; color:var(--muted); }
  .field input, .field select{
    height:36px; padding:0 10px;
    border-radius:12px;
    border:1px solid rgba(255,255,255,.10);
    background: rgba(17,24,39,.7);
    color:var(--text);
    outline:none;
  }
  .field input:focus, .field select:focus{ border-color: rgba(96,165,250,.65); }
  
  .btn{
    height:36px; padding:0 12px;
    border-radius:12px;
    border:1px solid rgba(255,255,255,.10);
    background: rgba(17,24,39,.7);
    color:var(--text);
    cursor:pointer;
  }
  .btn:hover{ border-color: rgba(255,255,255,.22); }
  .btn.primary{
    border-color: rgba(96,165,250,.45);
    background: rgba(96,165,250,.16);
  }
  .btn.primary:hover{ background: rgba(96,165,250,.22); }
  
  .grid{
    display:grid;
    grid-template-columns: 1.25fr 1fr;
    grid-template-rows: auto auto;
    gap:16px;
    padding:16px;
  }
  .card{
    background: linear-gradient(180deg, rgba(17,24,39,.92), rgba(15,23,42,.92));
    border:1px solid rgba(255,255,255,.08);
    border-radius: var(--r);
    box-shadow: var(--shadow);
    overflow:hidden;
  }
  .cardHeader{
    display:flex; align-items:center; justify-content:space-between;
    padding:14px 14px 10px 14px;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .cardTitle{ font-weight:750; }
  .muted{ color:var(--muted); font-size:12px; }
  
  .calendarCard{ grid-column: 1 / 2; grid-row: 1 / 3; }
  .boardCard{ grid-column: 2 / 3; grid-row: 1 / 2; }
  .agendaCard{ grid-column: 2 / 3; grid-row: 2 / 3; }
  
  .calendarNav{ display:flex; gap:10px; align-items:center; }
  .monthLabel{ font-weight:650; color:var(--text); opacity:.95; min-width:160px; text-align:center; }
  .iconBtn{
    width:36px; height:36px;
    border-radius:12px;
    border:1px solid rgba(255,255,255,.10);
    background: rgba(17,24,39,.7);
    color:var(--text);
    cursor:pointer;
  }
  .iconBtn:hover{ border-color: rgba(255,255,255,.22); }
  
  .calendarHead{
    display:grid;
    grid-template-columns: repeat(7, 1fr);
    padding:10px 12px;
    gap:8px;
    color: var(--muted);
    font-size:12px;
  }
  .calendarGrid{
    display:grid;
    grid-template-columns: repeat(7, 1fr);
    gap:8px;
    padding:12px;
  }
  .dayCell{
    min-height:78px;
    padding:10px;
    border-radius:16px;
    border:1px solid rgba(255,255,255,.06);
    background: rgba(17,24,39,.55);
    cursor:pointer;
    position:relative;
  }
  .dayCell:hover{ border-color: rgba(96,165,250,.25); }
  .dayCell.dim{ opacity:.45; }
  .dayNum{ font-weight:700; font-size:13px; }
  .dayMeta{
    position:absolute; left:10px; right:10px; bottom:10px;
    display:flex; align-items:center; justify-content:space-between;
    font-size:11px; color:var(--muted);
  }
  .dots{ display:flex; gap:4px; align-items:center; }
  .dot{ width:6px; height:6px; border-radius:999px; background: rgba(255,255,255,.18); }
  .dot.immediate{ background: rgba(239,68,68,.9); }
  .dot.high{ background: rgba(245,158,11,.9); }
  .dot.normal{ background: rgba(96,165,250,.9); }
  .dot.low{ background: rgba(148,163,184,.9); }
  
  .board{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap:12px;
    padding:12px;
  }
  .lane{
    border:1px solid rgba(255,255,255,.06);
    background: rgba(17,24,39,.45);
    border-radius: 16px;
    padding:10px;
    min-height: 260px;
  }
  .laneTitle{ font-weight:750; margin-bottom:8px; }
  .list{ display:flex; flex-direction:column; gap:8px; }
  
  .item{
    border-radius: 14px;
    border:1px solid rgba(255,255,255,.08);
    background: rgba(15,23,42,.7);
    padding:10px;
    display:flex; gap:10px; align-items:flex-start;
  }
  .check{
    width:18px; height:18px; border-radius:6px;
    border:1px solid rgba(255,255,255,.18);
    background: rgba(255,255,255,.06);
    cursor:pointer;
    flex: 0 0 auto;
    margin-top:2px;
  }
  .check.done{ background: rgba(34,197,94,.22); border-color: rgba(34,197,94,.55); }
  .itemMain{ flex:1; }
  .itemTitle{ font-weight:700; }
  .itemSub{ margin-top:4px; font-size:12px; color:var(--muted); display:flex; gap:10px; flex-wrap:wrap; }
  .pill{
    font-size:11px;
    padding:2px 8px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,.10);
    background: rgba(255,255,255,.06);
    color: var(--text);
  }
  .pill.immediate{ border-color: rgba(239,68,68,.45); background: rgba(239,68,68,.12); }
  .pill.high{ border-color: rgba(245,158,11,.45); background: rgba(245,158,11,.12); }
  .pill.normal{ border-color: rgba(96,165,250,.45); background: rgba(96,165,250,.12); }
  .pill.low{ border-color: rgba(148,163,184,.45); background: rgba(148,163,184,.12); }
  
  .agenda{ padding:12px; display:flex; flex-direction:column; gap:14px; }
  .dayGroup{
    border:1px solid rgba(255,255,255,.06);
    background: rgba(17,24,39,.45);
    border-radius:16px;
    overflow:hidden;
  }
  .dayGroupHeader{
    padding:10px 12px;
    display:flex; align-items:center; justify-content:space-between;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .dayGroupHeader .date{ font-weight:750; }
  .dayGroupHeader .count{ color:var(--muted); font-size:12px; }
  
  .dayGroupBody{ padding:10px; display:flex; flex-direction:column; gap:8px; }
  
  .backdrop{
    position:fixed; inset:0;
    background: rgba(0,0,0,.55);
    backdrop-filter: blur(4px);
    z-index: 40;
  }
  .modal{
    position:fixed;
    left:50%; top:50%;
    transform: translate(-50%,-50%);
    width:min(680px, 94vw);
    border-radius: 18px;
    border:1px solid rgba(255,255,255,.10);
    background: linear-gradient(180deg, rgba(17,24,39,.95), rgba(15,23,42,.95));
    box-shadow: var(--shadow);
    z-index: 50;
    overflow:hidden;
  }
  .hidden{ display:none; }
  .modalHeader{
    display:flex; align-items:center; justify-content:space-between;
    padding:12px 14px;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .modalTitle{ font-weight:800; }
  .modalBody{ padding:14px; display:flex; flex-direction:column; gap:12px; }
  .modalFooter{
    display:flex; justify-content:flex-end; gap:10px;
    padding:12px 14px;
    border-top:1px solid rgba(255,255,255,.06);
  }
  
  .formRow{ display:flex; flex-direction:column; gap:6px; }
  .formRow label{ font-size:12px; color:var(--muted); }
  .formRow input, .formRow select, .formRow textarea{
    border-radius: 14px;
    border:1px solid rgba(255,255,255,.10);
    background: rgba(17,24,39,.65);
    color:var(--text);
    padding:10px 12px;
    outline:none;
  }
  .formRow textarea{ resize: vertical; }
  .formRow input:focus, .formRow select:focus, .formRow textarea:focus{
    border-color: rgba(96,165,250,.65);
  }
  .formGrid{
    display:grid;
    grid-template-columns: repeat(2, 1fr);
    gap:12px;
  }
  .formRow.inline{
    flex-direction:row;
    align-items:center;
    gap:10px;
    border:1px solid rgba(255,255,255,.08);
    background: rgba(17,24,39,.45);
    padding:10px 12px;
    border-radius: 14px;
  }
  .formRow.inline input{ width:18px; height:18px; }
  
  .errorBox{
    border:1px solid rgba(239,68,68,.35);
    background: rgba(239,68,68,.10);
    color: #fecaca;
    border-radius: 14px;
    padding:10px 12px;
    font-size:13px;
  }
  
  @media (max-width: 980px){
    .grid{ grid-template-columns: 1fr; grid-template-rows:auto; }
    .calendarCard, .boardCard, .agendaCard{ grid-column:auto; grid-row:auto; }
    .board{ grid-template-columns: 1fr; }
  }