:root{--bg:#f5f7ff;--card:#fff;--ink:#111827;--muted:#667085;--line:#e4e7f0;--accent:#635bff;--accent2:#06b6d4;--dark:#17142f;--danger:#d92d20}
*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#f8f9ff 0%,#eef6ff 100%);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}.topbar{position:sticky;top:0;z-index:10;height:72px;background:linear-gradient(135deg,rgba(23,20,47,.98),rgba(44,35,104,.98));color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 22px;backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#635bff,#06b6d4);color:#fff;font-weight:800}.brand strong,.brand span{display:block}.brand span{font-size:12px;color:#c9c8e8;margin-top:2px}.top-actions{display:flex;align-items:center;gap:10px}.home-btn{display:inline-flex;align-items:center;text-decoration:none;border:1px solid rgba(255,255,255,.2);background:linear-gradient(135deg,#635bff,#06b6d4);color:#fff;border-radius:10px;padding:10px 14px;font-weight:700;cursor:pointer}.admin-btn,.topbar button{border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);color:#fff;border-radius:10px;padding:10px 14px;font-weight:700;cursor:pointer}.hero{max-width:1200px;margin:auto;padding:38px 20px 20px}.hero h1{margin:0 0 7px;font-size:34px}.hero p{margin:0;color:var(--muted)}.tools{display:flex;gap:12px;align-items:center;margin-top:22px}.tools input{flex:1;max-width:520px;border:1px solid var(--line);background:#fff;border-radius:12px;padding:13px 15px;font-size:16px;outline:none}.tools input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,91,255,.12)}#count{font-size:13px;color:var(--muted)}.coa-grid{max-width:1200px;margin:auto;padding:10px 20px 50px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.coa-card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 6px 20px rgba(61,65,120,.08);cursor:pointer;transition:.18s}.coa-card:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(61,65,120,.16)}.coa-thumb{display:block;width:100%;aspect-ratio:3/4.18;object-fit:cover;background:#eee}.coa-meta{padding:12px 13px}.coa-title{font-weight:750;font-size:15px}.coa-sub{color:var(--muted);font-size:12px;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.empty{grid-column:1/-1;text-align:center;padding:60px;color:var(--muted)}.viewer{position:fixed;inset:0;background:rgba(0,0,0,.86);z-index:50;display:flex;align-items:center;justify-content:center;padding:24px}.viewer img{max-height:calc(100vh - 70px);max-width:min(900px,94vw);object-fit:contain;border-radius:8px;box-shadow:0 20px 70px #000}.viewer-close,.modal-close{position:absolute;right:18px;top:14px;border:0;background:rgba(255,255,255,.14);color:#fff;font-size:34px;width:48px;height:48px;border-radius:50%;cursor:pointer}.viewer-caption{position:absolute;bottom:14px;color:#fff;background:rgba(0,0,0,.55);padding:8px 12px;border-radius:10px;font-size:13px}.modal{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:16px}.modal-card{position:relative;background:#fff;border-radius:18px;width:min(720px,96vw);max-height:90vh;overflow:auto;padding:24px}.modal-close{background:#eef0f2;color:#111;right:14px;top:12px}.modal h2{margin:0 0 6px}.modal p{color:var(--muted);margin:0 0 18px}.modal form{display:flex;gap:10px}.modal input[type=password]{flex:1;border:1px solid var(--line);border-radius:10px;padding:12px;font-size:16px}.modal button[type=submit]{border:0;background:linear-gradient(135deg,var(--accent),#4f46e5);color:#fff;border-radius:10px;padding:0 18px;font-weight:700}.hidden{display:none!important}.status{font-size:13px;margin-top:10px;color:var(--muted);min-height:18px}.admin-head{display:flex;justify-content:space-between;align-items:flex-start;padding-right:40px}.secondary{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;cursor:pointer;box-shadow:0 2px 8px rgba(61,65,120,.06)}.upload{display:block;border:2px dashed #a9a4e8;border-radius:14px;padding:22px;text-align:center;font-weight:750;cursor:pointer;background:linear-gradient(135deg,#f7f5ff,#effbff)}.upload input{display:none}.admin-list{display:grid;gap:10px;margin-top:18px}.admin-row{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:8px}.admin-row img{width:55px;height:70px;object-fit:cover;border-radius:7px;background:#eee}.admin-row .name{flex:1;font-size:13px;min-width:0}.admin-row .name strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-row .name span{color:var(--muted);font-size:11px}.delete{border:1px solid #f1c4c0;background:#fff7f6;color:var(--danger);border-radius:9px;padding:8px 10px;font-weight:700;cursor:pointer}@media(max-width:1000px){.coa-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:700px){.topbar{height:64px;padding:0 14px}.hero{padding:26px 14px 12px}.hero h1{font-size:28px}.coa-grid{padding:8px 12px 35px;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.coa-meta{padding:9px}.coa-title{font-size:13px}.coa-sub{font-size:11px}.tools{align-items:stretch;flex-direction:column}.tools input{max-width:none}.modal form{flex-direction:column}.modal button[type=submit]{height:44px}.viewer{padding:10px}.viewer img{max-width:98vw}}

.upload-names{display:grid;gap:8px;margin-top:12px}.upload-name-row{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:8px}.upload-file{width:38%;font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.coa-name-input{flex:1;border:1px solid var(--line);border-radius:9px;padding:10px;font-size:14px;min-width:0}.upload-submit{width:100%;margin-top:10px;border:0;background:linear-gradient(135deg,var(--accent),#4f46e5);color:#fff;border-radius:10px;padding:12px;font-weight:750;cursor:pointer}.upload-submit:disabled{opacity:.6;cursor:wait}@media(max-width:700px){.upload-name-row{display:block}.upload-file{width:100%;margin-bottom:6px}.coa-name-input{width:100%}}
@media(max-width:640px){.topbar{padding:0 12px}.brand span{display:none}.top-actions{gap:6px}.home-btn,.admin-btn{padding:9px 10px;font-size:13px}.brand-mark{width:38px;height:38px}}

.admin-name-input{display:block;width:100%;box-sizing:border-box;margin:6px 0;padding:8px 10px;border:1px solid #cfd4dc;border-radius:8px;background:#fff;color:#111;font:inherit}
.save-name{margin-top:2px;padding:7px 10px;border:0;border-radius:7px;cursor:pointer;background:#111;color:#fff;font-weight:600}
.order-btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 13px;border-radius:9px;text-decoration:none;background:#16a34a;color:#fff;font-weight:700}
@media (max-width:700px){.top-actions{gap:6px}.home-btn,.order-btn,.admin-btn{padding:8px 9px;font-size:12px}}