:root{--bg:#f3f4f6;--panel:#fff;--line:#e5e7eb;--txt:#111827;--muted:#6b7280;--brand:#e11d48;--brand2:#be123c;--accent:#2563eb;--ok:#16a34a;--warn:#d97706}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;background:var(--bg);color:var(--txt);font-size:14px}
button,input,select,textarea{font:inherit}
header{height:56px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 12px;gap:6px;position:sticky;top:0;z-index:20;white-space:nowrap;overflow-x:auto}
.logo{font-weight:800;font-size:17px;color:var(--brand);display:flex;align-items:center;gap:6px;margin-right:6px}
.logo span{background:var(--brand);color:#fff;border-radius:6px;padding:1px 6px;font-size:11px}
.tabs{display:flex;gap:2px}
.tabs button{border:0;background:transparent;padding:6px 9px;border-radius:8px;cursor:pointer;font-weight:600;color:var(--muted);font-size:13px}
.tabs button.active{background:#fef2f2;color:var(--brand)}
.tabs .cnt{background:#e5e7eb;border-radius:999px;padding:0 6px;font-size:11px;margin-left:3px}
.spacer{flex:1}
.btn{border:1px solid var(--line);background:#fff;padding:7px 12px;border-radius:8px;cursor:pointer;font-weight:600;display:inline-flex;align-items:center;gap:6px;color:var(--txt);white-space:nowrap}
.btn:hover{background:#f9fafb}
.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn.primary:hover{background:var(--brand2)}
.btn.blue{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.ok{background:var(--ok);color:#fff;border-color:var(--ok)}
.btn.sm{padding:5px 9px;font-size:12px}
.btn.danger{color:#dc2626}
.btn:disabled{opacity:.5;cursor:not-allowed}
header .btn{padding:6px 10px;font-size:13px}
.app{display:grid;grid-template-columns:320px 1fr 330px;height:calc(100vh - 56px)}
.side{background:var(--panel);border-right:1px solid var(--line);overflow:auto}
.side.right{border-right:0;border-left:1px solid var(--line)}
.sec{padding:12px 14px;border-bottom:1px solid var(--line)}
.sec h3{margin:0 0 10px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);display:flex;align-items:center;justify-content:space-between}
label{display:block;font-size:12px;color:var(--muted);margin:8px 0 4px}
input[type=text],input[type=number],input[type=password],textarea,select{width:100%;border:1px solid var(--line);border-radius:8px;padding:7px 10px;background:#fff;color:var(--txt)}
input:focus,textarea:focus,select:focus{outline:2px solid #bfdbfe;border-color:var(--accent)}
textarea{resize:vertical}
.row{display:flex;gap:8px;align-items:center}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1px solid var(--line);border-radius:999px;padding:4px 10px;cursor:pointer;font-size:12px;background:#fff;user-select:none}
.chip.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.chip.sty.active{background:var(--accent);border-color:var(--accent)}
.tpl-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tpl{border:2px solid var(--line);border-radius:10px;padding:6px;cursor:pointer;background:#fff;transition:.15s}
.tpl:hover{border-color:#fca5a5}
.tpl.active{border-color:var(--brand);box-shadow:0 0 0 3px #fecdd3}
.tpl .thumb{height:54px;border-radius:6px;font-size:8px}
.tpl .name{font-size:11px;margin-top:5px;color:var(--muted);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.search{position:relative}
.search input{padding-left:30px}
.search::before{content:"🔍";position:absolute;left:9px;top:8px;font-size:13px}
.stage{display:flex;flex-direction:column;overflow:auto}
.toolbar{display:flex;gap:8px;align-items:center;padding:8px 14px;background:#fff;border-bottom:1px solid var(--line);flex-wrap:wrap}
.toolbar .sep{width:1px;height:24px;background:var(--line);margin:0 2px}
.toolbar input[type=number]{width:64px}
.canvas-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:40px;overflow:auto;background:
 linear-gradient(45deg,#e5e7eb 25%,transparent 25%),linear-gradient(-45deg,#e5e7eb 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e5e7eb 75%),linear-gradient(-45deg,transparent 75%,#e5e7eb 75%);
 background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;background-color:#f9fafb}
.paper{background:#fff;box-shadow:0 10px 40px rgba(0,0,0,.15);position:relative;padding:0}
.ruler{position:absolute;font-size:11px;color:var(--muted);background:#fff;padding:2px 6px;border-radius:4px;border:1px solid var(--line);white-space:nowrap}
.ruler.top{top:-26px;left:50%;transform:translateX(-50%)}
.ruler.left{left:-34px;top:50%;transform:translateY(-50%) rotate(-90deg)}
.recent{flex:none;height:154px;background:#fff;border-top:1px solid var(--line);display:flex;flex-direction:column;position:relative}
.recent-grip{height:8px;cursor:ns-resize;background:linear-gradient(#e5e7eb,#e5e7eb) center/40px 3px no-repeat;flex:none}
.recent-grip:hover{background-color:#eff6ff}
.recent-bar{display:flex;gap:8px;align-items:center;padding:2px 12px 6px;flex:none;height:36px;overflow:hidden}
.recent-bar input,.recent-bar select{padding:4px 8px;font-size:12px}
.recent-bar .btn{flex:none}
.recent-bar .search input{padding-left:26px}.recent-bar .search::before{top:5px;font-size:11px}
/* lưới chảy theo cột: cuộn ngang, kéo cao thêm thì thêm hàng */
.recent-strip{flex:1;min-height:0;overflow-x:auto;overflow-y:hidden;display:grid;grid-auto-flow:column;grid-template-rows:repeat(auto-fill,80px);grid-auto-columns:200px;gap:8px;padding:0 12px 6px;align-content:start}
.recent-strip::-webkit-scrollbar{height:10px}.recent-strip::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:6px}
.rc{width:200px;height:80px;border:1px solid var(--line);border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#f3f4f6}
.rc:hover{border-color:#fca5a5}.rc.active{border-color:var(--brand);box-shadow:0 0 0 2px #fecdd3}
.rc .bn{pointer-events:none}
.rc.more{color:var(--muted);font-size:12px;background:#fff}
.line-box{border:1px solid var(--line);border-radius:10px;padding:8px;margin-bottom:8px;background:#fafafa}
.line-box .hd{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:4px}
.line-box .ctl{display:grid;grid-template-columns:1fr 60px 34px;gap:6px;margin-top:6px}
.line-box input[type=color]{width:34px;height:32px;padding:0;border:1px solid var(--line);border-radius:6px;background:#fff}
.kv{display:flex;justify-content:space-between;padding:3px 0;font-size:13px}.kv b{font-weight:600}
.ai{border:1px solid #c7d2fe;background:#eef2ff;border-radius:10px;padding:10px;margin-top:8px}
.ai h4{margin:0 0 6px;font-size:13px;color:#3730a3}
.ai p{margin:0 0 8px;font-size:12px;color:#4338ca}
.logo-drop{border:2px dashed #cbd5e1;border-radius:10px;padding:12px;text-align:center;color:var(--muted);font-size:12px;cursor:pointer}
.logo-drop:hover,.logo-drop.over{border-color:var(--accent);color:var(--accent);background:#eff6ff}
.logo-list{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:8px}
.logo-item{aspect-ratio:1;border-radius:8px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;cursor:grab;background:#fff;position:relative;overflow:hidden;padding:4px}
.logo-item img{max-width:100%;max-height:100%;object-fit:contain}
.logo-item:hover{border-color:var(--accent)}
.logo-item .nm{position:absolute;left:0;right:0;bottom:0;background:rgba(17,24,39,.75);color:#fff;font-size:9px;padding:2px 3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.toggle{display:flex;align-items:center;justify-content:space-between;padding:6px 0;font-size:13px}
.sw{width:36px;height:20px;background:#d1d5db;border-radius:999px;position:relative;cursor:pointer;flex:none}
.sw::after{content:"";position:absolute;width:16px;height:16px;background:#fff;border-radius:50%;top:2px;left:2px;transition:.15s}
.sw.on{background:var(--ok)}.sw.on::after{left:18px}
.note{font-size:12px;color:var(--muted);line-height:1.5}
.page{padding:20px 28px;max-width:1300px;margin:0 auto}
.page h2{margin:0 0 6px}
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin-top:14px}
.gal .tpl .thumb{height:84px;font-size:11px}
.card-b{border:1px solid var(--line);border-radius:12px;background:#fff;padding:8px;display:flex;flex-direction:column;gap:6px}
.card-b.active{border-color:var(--brand);box-shadow:0 0 0 3px #fecdd3}
.card-b .thumb{height:90px;border-radius:8px;font-size:10px}
.card-b .ttl{font-weight:700;font-size:13px;line-height:1.3}
.card-b .meta{font-size:11px;color:var(--muted);line-height:1.4}
.card-b .acts{display:flex;gap:4px;flex-wrap:wrap}
.badge{display:inline-block;font-size:10px;padding:1px 7px;border-radius:999px;font-weight:700}
.badge.draft{background:#f3f4f6;color:#374151}.badge.customer{background:#fef3c7;color:#92400e}.badge.approved{background:#dbeafe;color:#1e40af}.badge.printed{background:#dcfce7;color:#166534}
.logo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:14px}
.logo-card{border:1px solid var(--line);border-radius:12px;background:#fff;padding:8px;display:flex;flex-direction:column;gap:6px}
.logo-card .pv{height:90px;display:flex;align-items:center;justify-content:center;background:
 linear-gradient(45deg,#eee 25%,transparent 25%),linear-gradient(-45deg,#eee 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eee 75%),linear-gradient(-45deg,transparent 75%,#eee 75%);background-size:12px 12px;background-position:0 0,0 6px,6px -6px,-6px 0;border-radius:8px;padding:6px}
.logo-card .pv img{max-width:100%;max-height:100%;object-fit:contain}
.hidden{display:none!important}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#111;color:#fff;padding:10px 16px;border-radius:10px;font-size:13px;opacity:0;transition:.2s;pointer-events:none;z-index:100;max-width:90vw}
.toast.show{opacity:1}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:50;display:flex;align-items:center;justify-content:center;padding:16px}
.dlg{background:#fff;border-radius:14px;padding:20px;width:420px;max-width:100%;max-height:92vh;overflow:auto;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.dlg h3{margin:0 0 4px;font-size:16px}
.dlg .foot{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
.dlg.wide{width:640px}
.bgpv{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
.bgpv div{border:1px solid var(--line);border-radius:8px;padding:6px;text-align:center;font-size:11px;color:var(--muted);background:
 linear-gradient(45deg,#eee 25%,transparent 25%),linear-gradient(-45deg,#eee 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eee 75%),linear-gradient(-45deg,transparent 75%,#eee 75%);background-size:12px 12px;background-position:0 0,0 6px,6px -6px,-6px 0}
.bgpv img{max-width:100%;max-height:140px;object-fit:contain;display:block;margin:0 auto 4px}
table.tb{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden;margin-top:12px;font-size:13px}
.tb th,.tb td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tb th{background:#f9fafb;font-size:12px;color:var(--muted)}
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#fff1f2,#eff6ff)}
.login .box{background:#fff;padding:28px;border-radius:16px;width:360px;box-shadow:0 20px 60px rgba(0,0,0,.12)}
.login h1{margin:0 0 4px;font-size:22px;color:var(--brand)}
.err{color:#dc2626;font-size:12px;margin-top:8px;min-height:16px}
.drop-hint{position:absolute;inset:0;border:3px dashed var(--accent);background:rgba(37,99,235,.08);display:none;align-items:center;justify-content:center;color:var(--accent);font-weight:700;z-index:5;pointer-events:none}
.paper.over .drop-hint{display:flex}
@media (max-width:1100px){.app{grid-template-columns:260px 1fr 300px}}
@media print{
  body{background:#fff}
  body>*:not(#printArea){display:none!important}
  #printArea{display:block!important;margin:0;padding:0}
  #printArea .bn{page-break-inside:avoid;-webkit-print-color-adjust:exact;print-color-adjust:exact}
}