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64px)}.admin-side{padding:20px 12px;background:#fff;border-right:1px solid var(--line)}.admin-nav{display:flex;align-items:center;gap:14px;height:48px;margin:4px 0;padding:0 15px;border-radius:8px;color:#48566d;text-decoration:none;font-weight:600}.admin-nav svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.admin-nav.is-active{position:relative;background:linear-gradient(90deg,#eaf2ff,#f7faff);color:var(--blue)}.admin-nav.is-active:before{content:"";position:absolute;left:-12px;width:3px;height:28px;border-radius:0 3px 3px 0;background:var(--blue)}.admin-main{width:min(1440px,100%);padding:24px 28px 44px}.admin-page-title{margin-bottom:20px}.admin-page-title h1{margin:0 0 7px;font-size:24px}.admin-page-title p{margin:0;color:var(--muted)}.admin-notice{margin-bottom:16px;padding:12px 15px;border-radius:9px;background:#e9f3ff;color:#286cff}.admin-notice.is-error{background:#fff1f1;color:#d44b55}.admin-card{padding:20px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 5px 18px #223f7107}.admin-card+.admin-card{margin-top:18px}.admin-card h2{margin:0 0 6px;font-size:17px}.admin-card__sub{margin:0 0 18px;color:var(--muted);line-height:1.6}.stat-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.stat{display:flex;gap:13px;align-items:center;padding:17px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 5px 15px #1a376b08}.stat__icon{display:grid;place-items:center;width:45px;height:45px;border-radius:50%;background:#eaf2ff;color:#2871fb;font-size:21px}.stat:nth-child(2) .stat__icon{background:#e7faf5;color:#18a87d}.stat:nth-child(3) .stat__icon{background:#f0ecff;color:#7b5bdf}.stat:nth-child(4) .stat__icon{background:#fff4df;color:#f0a92a}.stat:nth-child(5) .stat__icon{background:#e5f8fb;color:#1ba8b9}.stat span{display:block;color:#758199;font-size:13px}.stat b{display:block;margin-top:5px;font-size:24px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-grid .wide{grid-column:1/-1}.form-label{display:block;margin:0 0 7px;color:#46546c;font-weight:650}.form-help{margin:6px 0 0;color:#99a5b6;font-size:12px;line-height:1.55}input,textarea,select{width:100%;padding:10px 12px;border:1px solid #dfe6f0;border-radius:8px;outline:0;background:#fff;color:#1e2b42;font:inherit}textarea{min-height:92px;resize:vertical}input:focus,textarea:focus,select:focus{border-color:#79a9ff;box-shadow:0 0 0 3px #3981fb15}.switch{display:inline-flex;align-items:center;gap:9px;color:#4d5b70}.switch input{width:38px;height:21px;accent-color:var(--blue)}.actions{display:flex;justify-content:flex-end;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid #edf1f6}.btn{display:inline-block;padding:10px 18px;border:1px solid #cfe0ff;border-radius:8px;background:#fff;color:var(--blue);font-weight:700;text-decoration:none;cursor:pointer}.btn.primary{border-color:var(--blue);background:linear-gradient(135deg,#3989ff,#2168f5);box-shadow:0 8px 16px #2168f52b;color:#fff}.tabs{display:flex;gap:28px;margin:-20px -20px 20px;padding:0 20px;border-bottom:1px solid var(--line)}.tabs span,.tabs a{display:block;padding:15px 3px;color:#718097;text-decoration:none}.tabs .active{border-bottom:3px solid var(--blue);color:var(--blue);font-weight:700}.table-wrap{overflow:auto}table{width:100%;min-width:720px;border-collapse:collapse}th,td{padding:13px 10px;border-bottom:1px solid #edf1f6;text-align:left}th{color:#8490a4;font-size:12px;font-weight:600}.state-success{color:#18a87d}.state-failed{color:#e05862}.state-processing{color:#e89b1f}.code-preview{display:grid;grid-template-columns:220px 1fr;gap:18px;align-items:center;padding:18px;border:1px solid #e6edf6;border-radius:10px;background:#fbfdff}.code-preview img{width:190px;height:190px;object-fit:contain;border-radius:10px;background:#fff}.empty-qr{display:grid;place-items:center;width:190px;height:190px;border:1px dashed #b9cce8;border-radius:10px;color:#8da0b9;text-align:center}.two-col{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(330px,.75fr);gap:18px}@media(max-width:1020px){.stat-grid{grid-template-columns:repeat(3,1fr)}.two-col{grid-template-columns:1fr}}@media(max-width:760px){.admin-top{padding:0 14px}.admin-brand span,.admin-top__right>span:not(.admin-avatar){display:none}.admin-shell{display:block}.admin-side{display:flex;gap:4px;overflow:auto;padding:8px;border-bottom:1px solid var(--line)}.admin-nav{flex:0 0 auto;height:40px;margin:0;padding:0 11px}.admin-nav svg{width:18px}.admin-nav.is-active:before{display:none}.admin-main{padding:18px 14px}.stat-grid,.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.code-preview{grid-template-columns:1fr}.admin-page-title h1{font-size:21px}}