:root{
  --bg:#f4f7fb;--panel:#fff;--text:#111827;--muted:#64748b;--line:#dfe7f1;--primary:#24579d;--primary-dark:#173f78;--soft:#edf4ff;--danger:#b42318;--danger-soft:#fff1f0;--success:#067647;--shadow:0 18px 55px rgba(15,23,42,.08);--radius:20px
}
*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}button,input{font:inherit}.admin-body{min-height:100vh;background:radial-gradient(circle at top right,#e8f1ff 0,transparent 28%),var(--bg)}.shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:34px 0 60px}.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:24px}.eyebrow,.step{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;color:var(--primary)}h1,h2,h3,p{margin-top:0}.topbar h1{font-size:clamp(28px,4vw,44px);margin:6px 0 8px;line-height:1.05}.topbar p{max-width:760px;color:var(--muted);margin:0;line-height:1.65}.panel{background:var(--panel);border:1px solid rgba(148,163,184,.22);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.narrow{max-width:640px;margin:40px auto}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}.panel-head h2{margin:4px 0 0;font-size:22px}.pill,.status-label{font-size:12px;font-weight:700;border-radius:999px;background:var(--soft);color:var(--primary-dark);padding:7px 10px}.notice{border-radius:14px;padding:13px 16px;margin-bottom:18px;background:#ecfdf3;color:#05603a;border:1px solid #abefc6}.notice.error{background:#fff1f0;color:#912018;border-color:#fecdca}.dashboard-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;margin-bottom:20px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:7px}.field.full,.full{grid-column:1/-1}.field>span,.copy-field>span{font-size:13px;font-weight:750;color:#344054}.field small{font-weight:500;color:var(--muted)}.field em{font-style:normal;font-size:12px;color:var(--muted);line-height:1.45}.field input,.copy-field input{width:100%;border:1px solid #ccd6e3;border-radius:12px;padding:12px 13px;outline:none;background:#fff;color:var(--text);transition:.18s}.field input:focus,.copy-field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(36,87,157,.12)}.upload-field input{padding:10px;background:#f8fafc}.form-actions{display:flex;align-items:center;gap:10px}.btn{border:0;border-radius:11px;padding:11px 15px;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:750;cursor:pointer;transition:.18s;white-space:nowrap}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--primary);color:white}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:#eef3f9;color:#22324a;border:1px solid #d8e2ee}.btn-ghost{background:white;color:#475467;border:1px solid #d0d5dd}.btn-danger{background:var(--danger-soft);color:var(--danger);border:1px solid #fecdca}.catalog-panel{margin-top:20px}.catalog-list{display:grid;gap:16px}.catalog-card{display:grid;grid-template-columns:1fr 190px;gap:22px;border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff}.catalog-card.inactive{opacity:.62}.catalog-title-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.catalog-title-row>div{display:flex;align-items:center;gap:8px}.status-dot{width:9px;height:9px;border-radius:50%;display:inline-block}.status-dot.on{background:#12b76a;box-shadow:0 0 0 4px #ecfdf3}.status-dot.off{background:#98a2b3}.catalog-info h3{font-size:19px;margin:7px 0 8px}.meta-row{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;color:var(--muted);margin-bottom:14px}.copy-field{display:block}.copy-field>div{display:flex;gap:8px;margin-top:7px}.copy-field input{font-size:12px;background:#f8fafc}.icon-btn{border:1px solid #d0d5dd;background:#fff;border-radius:10px;padding:0 12px;font-weight:700;color:#344054;cursor:pointer}.catalog-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.catalog-actions form{margin:0}.qr-wrap{border-left:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px}.qr-box{width:160px;height:160px;padding:6px;background:#fff;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center}.qr-box canvas,.qr-box img{max-width:148px!important;max-height:148px!important}.qr-wrap>span{font-size:12px;color:var(--muted);font-weight:700}.empty-state{text-align:center;padding:42px 20px;border:1px dashed #cbd5e1;border-radius:16px;background:#fafcff}.empty-state strong,.empty-state span{display:block}.empty-state span{margin-top:6px;color:var(--muted)}
.viewer-body{background:#0b1220;min-height:100vh}.viewer-shell{min-height:100vh;display:flex;flex-direction:column}.viewer-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 18px;background:#fff;border-bottom:1px solid #e5e7eb}.viewer-brand{display:flex;align-items:center;gap:12px;min-width:0}.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,#24579d,#173f78);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:19px;box-shadow:0 8px 20px rgba(36,87,157,.2);flex:0 0 auto}.viewer-brand span{display:block;text-transform:uppercase;font-size:10px;letter-spacing:.14em;color:#667085;font-weight:800}.viewer-brand h1{font-size:18px;margin:2px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.viewer-titlebar{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#111827;color:#fff;padding:9px 18px;font-size:13px}.viewer-titlebar span{color:#98a2b3;font-size:12px}.pdf-stage{flex:1;min-height:calc(100vh - 142px);background:#1f2937}.pdf-stage iframe{display:block;border:0;width:100%;height:calc(100vh - 142px);min-height:620px;background:#fff}.viewer-footer{text-align:center;color:#94a3b8;font-size:11px;padding:10px;background:#0b1220}.mobile-download{display:none}.viewer-error{max-width:520px;margin:15vh auto 0;text-align:center;color:#fff;padding:30px}.viewer-error .brand-mark{margin:0 auto 18px}.viewer-error h1{font-size:30px}.viewer-error p{color:#94a3b8;line-height:1.6}
@media(max-width:900px){.dashboard-grid{grid-template-columns:1fr}.catalog-card{grid-template-columns:1fr}.qr-wrap{border-left:0;border-top:1px solid var(--line);padding-top:18px}.settings-panel{order:2}}@media(max-width:640px){.shell{width:min(100% - 20px,1180px);padding-top:18px}.topbar{flex-direction:column}.panel{padding:18px;border-radius:16px}.form-grid{grid-template-columns:1fr}.field{grid-column:1/-1}.catalog-actions{display:grid;grid-template-columns:1fr 1fr}.catalog-actions .btn,.catalog-actions form,.catalog-actions form .btn{width:100%}.viewer-header{padding:10px 12px}.viewer-header>.btn{display:none}.viewer-titlebar{padding:8px 12px}.viewer-titlebar span{display:none}.pdf-stage{min-height:calc(100vh - 144px)}.pdf-stage iframe{height:calc(100vh - 144px);min-height:520px}.mobile-download{display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:10}.mobile-download .btn{width:100%;box-shadow:0 12px 30px rgba(0,0,0,.35)}.viewer-footer{padding-bottom:70px}}