:root{--navy:#0D2F5E;--navy2:#0A2547;--amber:#F7B70C;--line:#E4EAF4;--head:#12294A;
  --text:#5A6B85;--rose:#E5526E;--green:#27AE60;--sans:'Poppins',sans-serif}
*{margin:0;padding:0;box-sizing:border-box}
body{font:400 14.5px/1.6 var(--sans);color:var(--text);background:#F5FAFF}
.hidden{display:none!important}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--amber);color:var(--navy);border:0;border-radius:999px;
  padding:11px 22px;font:600 .88rem var(--sans);cursor:pointer;margin-top:12px}
.btn:hover{filter:brightness(1.06)}
/* gate */
.gate{min-height:100vh;display:grid;place-items:center;padding:20px}
.gate-card{background:#fff;border-radius:20px;box-shadow:0 24px 60px -20px rgba(13,47,94,.25);padding:44px 40px;text-align:center;max-width:400px;width:100%}
.gate-card .logo{font-size:2.6rem}
.gate-card h2{color:var(--head);margin-top:10px}
.gate-card p{font-size:.85rem;margin-top:4px}
.gate-card input{width:100%;border:1.6px solid var(--line);border-radius:12px;padding:12px 14px;font:500 .95rem var(--sans);margin-top:12px}
.gate-card input:focus{outline:none;border-color:var(--amber)}
.gate-card .btn{width:100%;justify-content:center}
.gerr{color:var(--rose);font:600 .82rem var(--sans);margin-top:10px;min-height:1.2em}
.hint{font:500 .76rem var(--sans);color:#8B99B3;margin-top:14px}
/* panel */
.panel{display:grid;grid-template-columns:210px 1fr;min-height:100vh}
.side{background:var(--navy2);color:#fff;padding:18px 12px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}
.side .ttl{font:700 .8rem var(--sans);color:var(--amber);padding:6px 10px 12px;letter-spacing:.06em}
.side button{display:flex;align-items:center;gap:10px;background:none;border:0;color:#C9D8EF;font:600 .86rem var(--sans);
  padding:12px;border-radius:10px;cursor:pointer;text-align:left}
.side button:hover{background:rgba(255,255,255,.08)}
.side button.on{background:var(--amber);color:var(--navy)}
.side i{font-style:normal;background:var(--rose);color:#fff;font:700 .64rem var(--sans);border-radius:99px;padding:2px 7px;margin-left:auto}
.side .sep{height:1px;background:rgba(255,255,255,.12);margin:8px 4px}
.main{padding:clamp(18px,3vw,36px);overflow-y:auto}
.pane{display:none}.pane.on{display:block}
.pane h3{font:800 1.25rem var(--sans);color:var(--head)}
.pane .sub{font-size:.82rem;margin:4px 0 16px}
.aform{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:20px}
.aform label{display:block;font:600 .68rem var(--sans);text-transform:uppercase;letter-spacing:.05em;color:#16407E;margin-bottom:5px}
.aform input,.aform textarea{width:100%;border:1.6px solid var(--line);border-radius:10px;padding:10px 12px;font:500 .9rem var(--sans);color:var(--head);background:#fff}
.aform textarea{min-height:64px;resize:vertical;font-family:'Hind',sans-serif}
.aform input:focus,.aform textarea:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(247,183,12,.16)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.chk{display:flex;gap:8px;align-items:center;font:600 .84rem var(--sans);color:var(--head);margin-top:10px}
.alist{display:grid;gap:10px}
.aitem{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px}
.aitem b{color:var(--head)}
.aitem .muted{color:#8B99B3;font-size:.78rem}
.aitem .txt{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.unread{border-left:4px solid var(--amber)}
.del{margin-left:auto;background:none;border:0;color:var(--rose);cursor:pointer;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;flex:none}
.del:hover{background:var(--rose);color:#fff}
.del svg{width:16px;height:16px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.thumb{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:1;border:1px solid var(--line);background:#fff}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb figcaption{position:absolute;inset:auto 0 0 0;padding:16px 8px 6px;background:linear-gradient(transparent,rgba(10,37,71,.8));color:#fff;font:600 .68rem var(--sans)}
.thumb .del{position:absolute;top:6px;right:6px;background:#fff;margin:0;width:26px;height:26px}
.toasts{position:fixed;left:16px;bottom:16px;z-index:99;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--navy2);color:#fff;padding:12px 18px;border-radius:10px;font-size:.86rem;opacity:0;transform:translateY(10px);transition:.4s}
.toast.show{opacity:1;transform:none}
@media(max-width:820px){.panel{grid-template-columns:1fr}.side{position:static;height:auto;flex-direction:row;flex-wrap:wrap}
.side .ttl,.side .sep{display:none}.grid,.grid3,.grid4{grid-template-columns:1fr 1fr}}
.imgrow{display:grid;grid-template-columns:1fr auto auto;gap:14px;align-items:center;
  padding-bottom:14px;border-bottom:1px dashed var(--line);margin-bottom:14px}
.imgrow input[type=file]{margin-bottom:8px}
.prev{width:150px;height:95px;object-fit:cover;border-radius:10px;border:1px solid var(--line);background:#F5FAFF}
.imgrow .rm{margin:0;background:#fff;border:2px solid var(--rose);color:var(--rose)}
.imgrow .rm:hover{background:var(--rose);color:#fff}
@media(max-width:820px){.imgrow{grid-template-columns:1fr;justify-items:start}}
/* bulk import preview */
.radios{display:flex;gap:14px;align-items:center;margin-top:10px;font:600 .84rem var(--sans);color:var(--head);flex-wrap:wrap}
.bstats{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 0}
.bstats span{background:#F5FAFF;border:1px solid var(--line);border-radius:99px;padding:5px 12px;font:600 .74rem var(--sans);color:var(--head)}
.bulkprev{margin-top:12px;overflow:auto;max-height:300px;border:1px solid var(--line);border-radius:10px}
.bulkprev table{width:100%;border-collapse:collapse;font-size:.78rem;min-width:640px}
.bulkprev th{background:#0D2F5E;color:#fff;padding:7px 9px;text-align:left;position:sticky;top:0}
.bulkprev td{padding:6px 9px;border-bottom:1px solid var(--line);white-space:nowrap}
.bulkprev tr.err td{background:#FCE9EE}
.bulkprev tr.dup td{background:#FFF3D6}