:root {
    --bg: #0b0f14;
    --panel: #111824;
    --panel2: #0f1621;
    --text: #e6edf3;
    --muted: #9aa7b2;
    --border: rgba(255,255,255,.08);
    --card: #121c29;
    --shadow: rgba(0,0,0,.25);
  }
  
  * { box-sizing: border-box; }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  }
  
  .topbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
    background: var(--panel2);
    position: sticky;
    top: 0;
    z-index: 10;
  }
  
  h1 { margin: 0 0 4px; font-size: 18px; }
  .sub { margin: 0; color: var(--muted); font-size: 13px; }
  
  .actions { display: flex; align-items: center; gap: 12px; }
  button {
    background: var(--panel);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    cursor: pointer;
  }
  button:hover { filter: brightness(1.1); }
  
  .status { color: var(--muted); font-size: 13px; }
  
  main { padding: 16px; }
  
  .board {
    display: grid;
    gap: 12px;
    grid-auto-flow: column;
    grid-auto-columns: minmax(280px, 320px);
    overflow-x: auto;
    padding-bottom: 12px;
  }
  
  .column {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 120px);
  }
  
  .column-header {
    padding: 12px 12px 10px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 8px;
  }
  .column-title { font-weight: 700; font-size: 13px; }
  .column-count { color: var(--muted); font-size: 12px; }
  
  .list {
    padding: 10px;
    overflow-y: auto;
    min-height: 80px;
  }
  
  .card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px;
    box-shadow: 0 6px 18px var(--shadow);
    margin-bottom: 10px;
    cursor: grab;
  }
  
  .card:active { cursor: grabbing; }
  
  .card-title {
    font-weight: 700;
    font-size: 13px;
    margin-bottom: 6px;
  }
  
  .card-meta {
    color: var(--muted);
    font-size: 12px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 6px;
  }
  
  .badge {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 2px 8px;
    font-size: 11px;
    color: var(--muted);
  }
  
  .card-last {
    color: var(--text);
    font-size: 12px;
    line-height: 1.3;
    opacity: .95;
  }
  
  .sortable-ghost { opacity: .35; }
  .sortable-chosen { outline: 2px solid rgba(255,255,255,.15); }