:root{
  --bg:#f4f1ea; --surface:#fffdf8; --surface-2:#efeae0; --ink:#241f1b; --ink-2:#6a625a;
  --line:#e0d9cd; --line-2:#cfc6b6; --accent:#c24d28; --accent-2:#7a5b44; --ok:#3b7d5a;
  --shadow:0 1px 3px rgba(60,45,30,.08),0 8px 24px rgba(60,45,30,.06);
  --serif:"Cormorant Garamond",Cambria,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --r:14px; --tabh:60px; --barh:56px;
}
@media (prefers-color-scheme: dark){
  :root{--bg:#171411;--surface:#211d19;--surface-2:#2a2521;--ink:#f0eae0;--ink-2:#a89e91;
    --line:#332d27;--line-2:#443c34;--accent:#e0703f;--accent-2:#c7a487;
    --shadow:0 1px 3px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.3);}
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;overscroll-behavior:none}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:15px;line-height:1.5;display:flex;flex-direction:column;
  padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);}
.ic{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* APP BAR */
.appbar{height:var(--barh);flex:0 0 auto;display:flex;align-items:center;gap:6px;
  padding:0 10px;background:var(--surface);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20}
.appbar-title{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.15;padding:0 4px}
.brand{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.board-name{font-family:var(--serif);font-size:20px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.appbar-actions{display:flex;gap:2px}
.icon-btn{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  color:var(--ink);position:relative;transition:background .15s}
.icon-btn:active{background:var(--surface-2)}
.icon-btn.sm{width:38px;height:38px;font-size:20px;font-weight:400}
.sync-dot{position:absolute;top:9px;right:9px;width:8px;height:8px;border-radius:50%;background:var(--line-2);border:2px solid var(--surface)}
.sync-dot.on{background:var(--ok)}
.sync-dot.busy{background:var(--accent)}

/* STAGE / VIEWS */
.stage{flex:1;position:relative;overflow:hidden}
.view{position:absolute;inset:0;overflow:auto;display:none;-webkit-overflow-scrolling:touch}
.view.active{display:block}
.pad{padding:18px 16px calc(var(--tabh) + 24px)}

/* BOARD CANVAS */
.canvas-wrap{position:absolute;inset:0;overflow:auto;background:
  radial-gradient(circle at 1px 1px, var(--line) 1px, transparent 0) 0 0/22px 22px;}
.canvas{position:relative;width:2000px;height:2600px;transform-origin:0 0;transition:transform .18s ease}
.pin{position:absolute;width:180px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;touch-action:none;
  transition:box-shadow .15s, transform .05s}
.pin.dragging{box-shadow:0 8px 30px rgba(60,45,30,.22);transform:scale(1.03);z-index:50;cursor:grabbing}
.pin img{display:block;width:100%;height:auto;pointer-events:none;background:var(--surface-2)}
.pin .pin-foot{padding:7px 9px 8px}
.pin .pin-name{font-size:12.5px;line-height:1.3;max-height:2.6em;overflow:hidden}
.pin .pin-chips{display:flex;gap:4px;flex-wrap:wrap;margin-top:5px;align-items:center}
.pin .badge{position:absolute;top:7px;left:7px;display:inline-flex;align-items:center;gap:4px;
  font-size:10.5px;color:var(--ink);background:rgba(255,253,248,.92);border:1px solid var(--line);
  padding:2px 7px;border-radius:20px;backdrop-filter:blur(4px)}
@media (prefers-color-scheme: dark){.pin .badge{background:rgba(33,29,25,.9)}}
.pin .status-dot{width:7px;height:7px;border-radius:50%;display:inline-block}
.chip{font-size:10.5px;padding:2px 7px;border-radius:20px;background:var(--surface-2);color:var(--ink-2);white-space:nowrap}
.chip.sku{background:rgba(194,77,40,.12);color:var(--accent)}
.pin .swatch-row{display:flex;height:6px}
.pin .swatch-row i{flex:1;display:block}
.st-idea{background:#b9b2a6}.st-sample{background:#e0a63f}.st-production{background:#3f88c7}.st-selling{background:#3b7d5a}

.empty-state{position:absolute;top:32%;left:0;right:0;text-align:center;padding:0 32px;color:var(--ink-2)}
.empty-mark{font-size:40px;color:var(--accent);opacity:.5}
.empty-state h2{font-family:var(--serif);font-size:26px;margin:8px 0 6px;color:var(--ink);font-weight:600}
.empty-state p{margin:0 auto 18px;max-width:300px;font-size:14px}

.zoom-ctl{position:absolute;right:14px;bottom:calc(var(--tabh) + 78px);display:flex;flex-direction:column;
  gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:4px;box-shadow:var(--shadow)}

/* SECTION TITLES */
.section-title{font-family:var(--serif);font-size:24px;font-weight:600;margin:0 0 4px}
.section-title.sub{font-size:18px;margin-top:26px}
.muted{color:var(--ink-2);font-size:13.5px;margin:0 0 16px}

/* SEASON PALETTE */
.season-palette{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.pal-slot{aspect-ratio:1;border-radius:12px;border:1px dashed var(--line-2);display:flex;
  flex-direction:column;justify-content:flex-end;padding:8px;position:relative;overflow:hidden}
.pal-slot.filled{border-style:solid;border-color:transparent}
.pal-slot .hex{font-size:11px;font-family:ui-monospace,monospace;opacity:.9}
.pal-slot .pname{font-size:12px;background:transparent;border:none;color:inherit;width:100%;padding:0;font-weight:500}
.pal-slot .pname::placeholder{color:inherit;opacity:.6}
.pal-slot .rm{position:absolute;top:5px;right:6px;font-size:13px;opacity:.7}
.pal-actions{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.swatch-pool{display:grid;grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:8px}
.swatch-pool .sw{aspect-ratio:1;border-radius:10px;border:1px solid var(--line);position:relative}
.swatch-pool .sw:active{transform:scale(.94)}

/* BRIEF */
.brief-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.brief-toolbar>div{display:flex;gap:8px}
.brief-sheet{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.brief-sheet h1{font-family:var(--serif);font-size:28px;margin:0 0 2px}
.brief-sheet .b-sub{color:var(--ink-2);font-size:13px;margin-bottom:18px}
.brief-sheet .b-pal{display:flex;height:34px;border-radius:8px;overflow:hidden;margin:0 0 20px;border:1px solid var(--line)}
.brief-sheet .b-pal i{flex:1}
.brief-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.brief-card{border:1px solid var(--line);border-radius:10px;overflow:hidden}
.brief-card img{width:100%;display:block}
.brief-card .bc-body{padding:8px 10px}
.brief-card .bc-name{font-size:13px;font-weight:500}
.brief-card .bc-meta{font-size:11px;color:var(--ink-2);margin-top:3px}

/* FAB + TABBAR */
.fab{position:fixed;right:18px;bottom:calc(var(--tabh) + 18px + env(safe-area-inset-bottom));
  width:56px;height:56px;border-radius:18px;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(194,77,40,.4);z-index:30}
.fab:active{transform:scale(.94)}
.fab .ic{stroke-width:2}
.tabbar{position:fixed;left:0;right:0;bottom:0;height:calc(var(--tabh) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);display:flex;background:var(--surface);
  border-top:1px solid var(--line);z-index:25}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:11px;color:var(--ink-2)}
.tab .ic{width:23px;height:23px}
.tab.active{color:var(--accent)}

/* SHEETS / MODALS */
.sheet-overlay{position:fixed;inset:0;background:rgba(30,22,15,.42);z-index:60;display:flex;
  align-items:flex-end;justify-content:center;animation:fade .2s}
.sheet-overlay[hidden]{display:none}
@keyframes fade{from{opacity:0}}
.sheet{width:100%;max-width:520px;background:var(--surface);border-radius:22px 22px 0 0;
  padding:8px 18px calc(20px + env(safe-area-inset-bottom));box-shadow:0 -8px 40px rgba(0,0,0,.2);
  animation:slideup .26s cubic-bezier(.2,.9,.3,1);max-height:92vh;overflow:auto}
.sheet.tall{min-height:60vh}
@keyframes slideup{from{transform:translateY(100%)}}
.sheet-handle{width:40px;height:4px;border-radius:2px;background:var(--line-2);margin:6px auto 12px}
.sheet h3{font-family:var(--serif);font-size:22px;margin:0 0 14px;font-weight:600}
.field{display:block;margin-bottom:12px}
.field>span{display:block;font-size:12px;color:var(--ink-2);margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid var(--line-2);
  border-radius:11px;background:var(--bg);color:var(--ink);font-size:15px;font-family:inherit}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.or{text-align:center;color:var(--ink-2);font-size:12px;margin:2px 0 10px}
.sheet-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:18px;flex-wrap:wrap}
.btn-primary{background:var(--accent);color:#fff;padding:11px 18px;border-radius:12px;font-size:14px;font-weight:500}
.btn-primary:active{filter:brightness(.94)}
.btn-ghost{background:var(--surface-2);color:var(--ink);padding:11px 16px;border-radius:12px;font-size:14px}
.btn-ghost.full{width:100%}
.btn-danger{background:transparent;color:#c0392b;padding:11px 12px;border-radius:12px;font-size:14px;margin-right:auto}

.edit-preview{width:100%;height:180px;border-radius:12px;background:var(--surface-2) center/cover no-repeat;margin-bottom:14px}
.edit-colors{display:flex;gap:6px;margin:6px 0 4px;flex-wrap:wrap}
.edit-colors i{width:30px;height:30px;border-radius:8px;border:1px solid var(--line)}

.board-list{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.board-row{display:flex;align-items:center;gap:10px;padding:12px 12px;border:1px solid var(--line);border-radius:12px}
.board-row.active{border-color:var(--accent);background:rgba(194,77,40,.06)}
.board-row .b-dot{width:9px;height:9px;border-radius:50%;background:var(--accent-2)}
.board-row .b-nm{flex:1;font-weight:500}
.board-row .b-ct{font-size:12px;color:var(--ink-2)}
.board-row .b-del{color:var(--ink-2);padding:4px}
.new-board-row{display:flex;gap:8px}
.new-board-row input{flex:1;padding:11px 12px;border:1px solid var(--line-2);border-radius:11px;background:var(--bg);color:var(--ink);font-size:15px}

.app-meta{text-align:center;font-size:11px;color:var(--ink-2);margin-top:16px}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--tabh) + 84px);
  background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:12px;font-size:13px;z-index:80;box-shadow:var(--shadow)}

/* PRINT (brief) */
@media print{
  .appbar,.tabbar,.fab,.zoom-ctl,.brief-toolbar,.view:not(.view-brief){display:none!important}
  body{background:#fff}.pad{padding:0}.brief-sheet{border:none;box-shadow:none;padding:0}
  .view-brief{position:static;display:block!important}
}