:root{
  --bg:#ffffff;--surface:#fafafa;--card:#ffffff;--border:#eaeaea;
  --text:#111111;--muted:#666666;--accent:#111111;
  --danger:#b42318;--ok:#0a7f3f;
  --radius:10px;--shadow:0 1px 2px rgba(16,24,40,.06);--shadow-2:0 4px 12px rgba(16,24,40,.08);
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --top:52px;--side:240px;--ctrl:36px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:14px/20px var(--font)}
body{overflow:hidden}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
img{display:block;max-width:100%}
#app{height:100dvh;display:flex;overflow:hidden}

/* sidebar — folios = separations */
.side{
  width:var(--side);flex:0 0 var(--side);border-right:1px solid var(--border);
  background:var(--surface);display:flex;flex-direction:column;
  padding:calc(10px + env(safe-area-inset-top)) 0 env(safe-area-inset-bottom);
  min-height:0;z-index:20;
}
.side .brand{padding:8px 14px 12px;font-size:15px;font-weight:600;letter-spacing:-.01em}
.side .sec{padding:10px 14px 6px;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;display:flex;align-items:center;gap:6px}
.side .sec button{margin-left:auto;color:var(--muted);width:24px;height:24px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center}
.side .sec button:hover{background:var(--bg);color:var(--text)}
.side nav{flex:1;overflow:auto;padding:0 8px 12px;min-height:0}
.f-item,.l-item{
  display:flex;align-items:center;gap:8px;width:100%;text-align:left;
  padding:8px 10px;border-radius:8px;font-size:13px;font-weight:500;color:var(--text);
  border:1px solid transparent;
}
.f-item:hover,.l-item:hover{background:var(--bg)}
.f-item.on,.l-item.on{background:var(--bg);border-color:var(--border);font-weight:600}
.f-item .em,.l-item .em{width:22px;text-align:center;flex:0 0 auto;font-size:15px;line-height:1}
.f-item .nm,.l-item .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.f-item .ct{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.side .lists{margin:4px 0 10px 12px;padding-left:10px;border-left:2px solid var(--border);display:flex;flex-direction:column;gap:2px}
.side .foot{padding:8px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:4px}

.main{flex:1;min-width:0;display:flex;flex-direction:column;min-height:0}
.top{
  height:calc(var(--top) + env(safe-area-inset-top));padding:env(safe-area-inset-top) 12px 0;
  display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--border);background:var(--bg);flex:0 0 auto;
}
.top .who{display:flex;align-items:center;gap:8px;min-width:0}
.top .who .em{font-size:18px}
.top .who h1{margin:0;font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top .who .sub{font-size:12px;color:var(--muted);white-space:nowrap}
.top .grow{flex:1}
.search{width:min(220px,30vw);height:var(--ctrl);border:1px solid var(--border);border-radius:8px;padding:0 10px;background:var(--surface);outline:none;font-size:13px}
.search:focus{border-color:var(--text)}

.btn{height:var(--ctrl);padding:0 10px;border-radius:8px;font-size:13px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent}
.btn.primary{background:var(--accent);color:#fff}
.btn.secondary{border-color:var(--border);background:var(--bg)}
.btn.secondary:hover{background:var(--surface)}
.btn.ghost{color:var(--muted)}
.btn.ghost:hover{color:var(--text);background:var(--surface)}
.btn.danger{color:var(--danger)}
.btn.icon{width:var(--ctrl);padding:0}
.btn.sm{height:28px;padding:0 8px;font-size:12px}
.btn svg{flex:0 0 auto}

.tabs{display:flex;gap:4px;padding:8px 12px;border-bottom:1px solid var(--border);overflow:auto;flex:0 0 auto;background:var(--bg);align-items:center}
.tab{height:30px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;color:var(--muted);border:1px solid transparent;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.tab.on{background:var(--text);color:#fff}
.tab .dot{width:7px;height:7px;border-radius:50%}
.tab.add{border:1px dashed var(--border)}

.chips{display:flex;gap:6px;padding:8px 12px;overflow:auto;flex:0 0 auto;border-bottom:1px solid var(--border)}
.chip{height:28px;padding:0 10px;border-radius:999px;border:1px solid var(--border);font-size:12px;font-weight:600;color:var(--muted);display:inline-flex;align-items:center;gap:6px;background:var(--bg);white-space:nowrap}
.chip.on{background:var(--text);color:#fff;border-color:var(--text)}
.chip .dot{width:7px;height:7px;border-radius:50%}

.board-wrap{flex:1;min-height:0;overflow:auto;position:relative;background:
  linear-gradient(var(--border) 1px,transparent 1px) 0 0/24px 24px,
  linear-gradient(90deg,var(--border) 1px,transparent 1px) 0 0/24px 24px,var(--surface)}
.board{position:relative;min-width:100%;min-height:100%;width:var(--board-w,1400px);height:var(--board-h,1000px)}
.board.list-mode{width:100%!important;height:auto!important;min-height:100%;display:flex;flex-direction:column;gap:8px;padding:12px;background:var(--surface)}
.board.list-mode .card{position:relative!important;left:auto!important;top:auto!important;width:100%!important;max-width:640px;margin:0 auto;cursor:default}
.board.list-mode .handle,.board.list-mode .resize-bar{display:none}

/* kanban columns = lists */
.kanban{flex:1;min-height:0;overflow:auto;display:flex;gap:12px;padding:12px;align-items:flex-start;background:var(--surface)}
.col{
  flex:0 0 280px;max-height:100%;display:flex;flex-direction:column;min-height:200px;
  background:var(--bg);border:1px solid var(--border);border-radius:12px;overflow:hidden;
}
.col.head{padding:10px 12px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600}
.col.head .em{font-size:15px}
.col.head .ct{margin-left:auto;font-size:11px;color:var(--muted);font-weight:600}
.col.body{flex:1;overflow:auto;padding:8px;display:flex;flex-direction:column;gap:8px;min-height:80px}
.col .card{position:relative!important;left:auto!important;top:auto!important;width:100%!important;cursor:default}
.col .handle{cursor:default}
.col .resize-bar{display:none}
.col.drop-on{outline:2px solid var(--accent);outline-offset:-2px}

.card{
  position:absolute;width:var(--cw,260px);background:var(--card-bg,var(--card));color:var(--card-fg,var(--text));
  border:1px solid var(--card-bd,var(--border));border-radius:var(--radius);box-shadow:var(--shadow);
  display:flex;flex-direction:column;overflow:hidden;user-select:none;z-index:1;
}
.card:hover{box-shadow:var(--shadow-2);z-index:2}
.card.dragging{opacity:.9;z-index:50}
.card.selected{outline:2px solid var(--accent);outline-offset:1px;z-index:3}
.card .handle{display:flex;align-items:center;gap:6px;padding:7px 10px;cursor:grab;border-bottom:1px solid var(--card-bd,var(--border));font-size:11px;font-weight:600;color:var(--muted);background:color-mix(in srgb,var(--card-bg,var(--card)) 92%,var(--text) 5%)}
.card .handle .em{font-size:14px}
.card .handle .spacer{flex:1}
.card .media{aspect-ratio:16/10;background:var(--surface);overflow:hidden}
.card .media img{width:100%;height:100%;object-fit:cover;pointer-events:none}
.card .media .ph{height:100%;display:flex;align-items:center;justify-content:center;font-size:26px;opacity:.45}
.card .body{padding:10px 12px 12px;display:flex;flex-direction:column;gap:6px}
.card h3{margin:0;font-size:13px;font-weight:600;line-height:1.3;word-break:break-word}
.card p{margin:0;font-size:12px;line-height:1.4;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .meta-row{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
.card .pill{font-size:10px;font-weight:700;padding:2px 6px;border-radius:999px;border:1px solid var(--border);color:var(--muted)}
.card .links{display:flex;flex-wrap:wrap;gap:4px}
.card .link-chip{font-size:10px;font-weight:600;padding:2px 6px;border-radius:6px;background:var(--surface);color:var(--text);border:1px solid var(--border);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card .foot{display:flex;gap:2px;flex-wrap:wrap}
.card .resize-bar{display:flex;gap:2px;padding:6px 8px 8px;border-top:1px solid var(--card-bd,var(--border))}
.card .resize-bar button{flex:1;height:24px;border-radius:6px;font-size:10px;font-weight:700;color:var(--muted)}
.card .resize-bar button.on{background:var(--text);color:#fff}

.empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--muted);text-align:center;padding:24px;pointer-events:none}
.empty strong{color:var(--text);font-size:15px}
.empty .cta{pointer-events:auto;margin-top:8px}

.scrim{position:fixed;inset:0;z-index:80;background:rgba(17,17,17,.36);display:flex;align-items:flex-end;justify-content:center;padding:env(safe-area-inset-top) 12px env(safe-area-inset-bottom)}
@media(min-width:720px){.scrim{align-items:center}}
.sheet{width:min(520px,100%);max-height:min(92dvh,880px);overflow:auto;background:var(--bg);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-2)}
.sheet.wide{width:min(640px,100%)}
.sheet header{position:sticky;top:0;background:var(--bg);border-bottom:1px solid var(--border);padding:12px 14px;display:flex;align-items:center;gap:8px;z-index:1}
.sheet header h2{margin:0;font-size:15px;font-weight:600;flex:1}
.sheet .content{padding:14px;display:flex;flex-direction:column;gap:12px}
.field{display:flex;flex-direction:column;gap:5px}
.field label{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.field input,.field textarea,.field select{height:40px;border:1px solid var(--border);border-radius:8px;padding:0 10px;background:var(--bg);outline:none;font-size:16px}
.field textarea{height:auto;min-height:88px;padding:10px;resize:vertical;line-height:1.45}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--text);box-shadow:0 0 0 2px rgba(17,17,17,.08)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:520px){.row2{grid-template-columns:1fr}}
.actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.hint{font-size:12px;color:var(--muted);line-height:1.45}
.swatches{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.swatch{width:26px;height:26px;border-radius:999px;border:2px solid transparent;cursor:pointer;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.swatch.on{border-color:var(--text)}
.drop{border:1px dashed var(--border);border-radius:8px;padding:12px;text-align:center;color:var(--muted);background:var(--surface);cursor:pointer}
.drop strong{display:block;color:var(--text);font-size:13px}
.thumb{position:relative;width:64px;height:64px;border-radius:8px;overflow:hidden;border:1px solid var(--border)}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb button{position:absolute;top:3px;right:3px;width:20px;height:20px;border-radius:6px;background:rgba(0,0,0,.7);color:#fff;font-size:11px}
.img-row{display:flex;gap:8px;flex-wrap:wrap}
.list-row{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--border)}
.list-row input[type=text]{flex:1;height:34px;border:1px solid var(--border);border-radius:8px;padding:0 8px}
.conn-list{display:flex;flex-direction:column;gap:6px;max-height:180px;overflow:auto;border:1px solid var(--border);border-radius:8px;padding:8px}
.conn-list label{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500;text-transform:none;letter-spacing:0;color:var(--text)}
.seg{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.seg button{height:30px;padding:0 10px;font-size:12px;font-weight:600;color:var(--muted)}
.seg button.on{background:var(--text);color:#fff}
.color-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.toast{position:fixed;left:50%;bottom:calc(14px + env(safe-area-inset-bottom));transform:translateX(-50%) translateY(8px);z-index:100;background:var(--text);color:#fff;padding:10px 14px;border-radius:999px;font-size:12px;font-weight:600;opacity:0;pointer-events:none;transition:.15s}
.toast.show{opacity:1;transform:translateX(-50%)}

.menu-btn{display:none}
@media(max-width:760px){
  .side{position:fixed;left:0;top:0;bottom:0;transform:translateX(-105%);transition:transform .16s ease-out;box-shadow:var(--shadow-2)}
  .side.open{transform:none}
  .menu-btn{display:inline-flex}
  .side-scrim{position:fixed;inset:0;background:rgba(0,0,0,.25);z-index:15}
}