*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#eff6ff;
  --text:#1e293b;--text2:#64748b;--text3:#94a3b8;
  --bg:#f1f5f9;--card:#fff;--border:#e2e8f0;
  --success:#16a34a;--warn:#d97706;--danger:#dc2626;
  --radius:12px;--shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;display:flex;min-height:100vh}
/* sidebar（浅蓝主题，与右侧生产区区分） */
.sidebar{width:200px;flex-shrink:0;background:#f0f6ff;border-right:1px solid #d7e3f7;position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column}
.sidebar-brand{font-weight:700;font-size:16px;color:#1d4ed8;padding:16px 18px;border-bottom:1px solid #d7e3f7;flex-shrink:0}
.menu{padding:8px;flex:1;display:flex;flex-direction:column}
.menu-group{margin-bottom:2px}
.menu-group:last-child{margin-top:auto}
.menu-head{display:flex;align-items:center;gap:8px;padding:9px 12px;cursor:pointer;font-weight:600;font-size:13px;color:#fff;background:#3b82f6;border-radius:8px;transition:background .15s;user-select:none}
.menu-head:hover{background:#2f74e6}
.menu-head::before{content:"";width:6px;height:6px;border-right:2px solid #e0ecff;border-bottom:2px solid #e0ecff;transform:rotate(-45deg);transition:transform .2s;flex-shrink:0;margin-top:-3px}
.menu-group.open .menu-head::before{transform:rotate(45deg);margin-top:3px}
.menu-items{display:none;padding:2px 6px 4px;background:#fff;border-radius:8px;margin-top:3px}
.menu-group.open .menu-items{display:block}
/* 无子项目的直达菜单项：隐藏箭头、点击选中态绿色 */
.menu-head-tab::before{display:none}
.menu-head-tab.active,.menu-head-tab.active:hover{background:#16a34a}
.menu-item{padding:8px 12px 8px 22px;cursor:pointer;font-size:13px;color:#000;border-bottom:1px solid #e5e5e5;transition:background .15s}
.menu-item:last-child{border-bottom:none}
.menu-item:hover{color:#fff;background:#16a34a}
.menu-item.active{color:#fff;background:#16a34a;font-weight:600;border-left:none;padding-left:22px}
/* 会员管理 */
.admin-row{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--border);font-size:13px;flex-wrap:wrap}
.admin-row:last-child{border-bottom:none}
.admin-name{font-weight:600;min-width:80px}
.admin-meta{color:var(--danger);font-size:12px}
.admin-limit{width:64px;padding:4px 6px;border:1px solid var(--border);border-radius:6px;font-size:13px}
.admin-used{color:var(--text2);min-width:70px;font-size:12px}
.btn.danger{color:#dc2626;border-color:#fca5a5}
.btn.danger:hover{background:#fef2f2}
/* main */
.main{flex:1;max-width:1100px;margin:0 auto;padding:24px;width:100%}
.tab{display:none}
.tab.active{display:block}
h1{font-size:22px;margin-bottom:6px}
.hint{color:var(--text2);margin-bottom:20px;font-size:13px}
h3{font-size:15px;margin-bottom:12px}
/* advanced settings collapsible */
.advanced-toggle{cursor:pointer;user-select:none;display:flex;align-items:center}
.advanced-toggle h3{margin-bottom:0;display:flex;align-items:center;gap:8px}
.toggle-icon{display:inline-block;transition:transform .2s;font-weight:400;color:var(--text2)}
.advanced-toggle.open .toggle-icon{transform:rotate(45deg)}
.advanced-content{padding-top:16px}
/* card */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:16px}
/* form */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}
.field label .req{color:var(--danger)}
input[type=text],input[type=password],input[type=number],textarea,select{
  width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;
  font-size:14px;font-family:inherit;background:#fff;color:var(--text);transition:border .15s
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
textarea{resize:vertical;min-height:80px}
select{cursor:pointer}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
@media(max-width:768px){.grid2,.grid3{grid-template-columns:1fr}}
/* button */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 18px;border-radius:8px;border:1px solid transparent;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;font-family:inherit}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.primary{background:var(--primary);color:#fff}
.btn.primary:hover:not(:disabled){background:var(--primary-hover)}
.btn.ghost{background:var(--bg);color:var(--text);border-color:var(--border)}
.btn.ghost:hover:not(:disabled){background:#e8eef5}
.btn.small{padding:6px 12px;font-size:12px}
.btn.success{background:var(--success);color:#fff}
.btn.danger{background:var(--danger);color:#fff}
/* upload */
.upload-area{border:2px dashed var(--border);border-radius:10px;padding:24px;text-align:center;cursor:pointer;transition:all .15s;background:#fafbfc}
.upload-area:hover{border-color:var(--primary);background:var(--primary-light)}
.upload-area .icon{font-size:32px;margin-bottom:8px}
.upload-area .text{color:var(--text2);font-size:13px}
.upload-preview{max-width:100px;max-height:100px;border-radius:8px;border:1px solid var(--border);object-fit:cover}
/* multi file preview */
.multi-preview{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.multi-preview-item{width:72px;text-align:center}
.multi-preview-item img{width:72px;height:72px;object-fit:cover;border-radius:6px;border:1px solid var(--border);background:#fff}
.multi-preview-item .mp-name{display:block;font-size:10px;color:var(--text2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:72px;margin-top:2px}
/* result */
.result-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.result-item{background:var(--card);border-radius:10px;overflow:hidden;border:1px solid var(--border)}
.result-item img{width:100%;display:block;aspect-ratio:1;object-fit:contain;background:repeating-conic-gradient(#f0f0f0 0 25%,#fff 0 50%) 0 0/16px 16px}
.result-item .tools{padding:10px;display:flex;gap:8px;flex-wrap:wrap}
/* aplus groups */
.aplus-group{margin-bottom:16px}
.aplus-group:last-child{margin-bottom:0}
.aplus-group-title{font-size:13px;font-weight:600;color:var(--text);margin-bottom:8px;padding:6px 10px;background:var(--bg);border-radius:6px;border:1px solid var(--border)}
.aplus-group .result-grid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr))}
.aplus-group .result-item img{aspect-ratio:1464/600}
.result-item.generating{display:flex;align-items:center;justify-content:center;min-height:150px;background:var(--bg)}
.ap-pending{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text2)}
/* prompt item */
.prompt-item{background:var(--bg);border-radius:8px;padding:14px;margin-bottom:10px;border:1px solid var(--border)}
.prompt-item .title{font-weight:600;font-size:13px;color:var(--primary);margin-bottom:6px}
.prompt-item .text{font-size:12px;color:var(--text2);font-family:Consolas,monospace;white-space:pre-wrap;word-break:break-word;max-height:120px;overflow-y:auto}
.prompt-item .actions{margin-top:8px;display:flex;gap:8px}
/* report */
.report{font-size:14px;line-height:1.7}
.report h2{font-size:18px;margin:16px 0 8px}
.report h3{font-size:15px;margin:14px 0 6px;color:var(--primary)}
.report p{margin:6px 0}
.report ul{margin:6px 0;padding-left:20px}
.report li{margin:3px 0}
.report code{background:#f1f5f9;padding:1px 5px;border-radius:4px;font-size:12px}
/* tag */
.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}
.tag.blue{background:var(--primary-light);color:var(--primary)}
.tag.green{background:#dcfce7;color:var(--success)}
.tag.orange{background:#fef3c7;color:var(--warn)}
/* tool sub-card */
.tool-card{border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:14px;background:#fafbfc}
.tool-card h4{font-size:14px;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.tool-result{margin-top:12px}
.tool-result img{max-width:100%;border-radius:8px;border:1px solid var(--border)}
/* queue */
.queue-item{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--bg);border-radius:8px;margin-bottom:8px;border:1px solid var(--border)}
.queue-item .q-title{flex:1;font-size:13px}
.queue-item .q-status{font-size:12px;color:var(--text2)}
.queue-item.done{opacity:.6}
/* tip */
.tip{font-size:12px;color:var(--text2)}
.tip.error{color:var(--danger)}
.tip.success{color:var(--success)}
/* checkbox */
.check-row{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer}
.check-row input{width:16px;height:16px;cursor:pointer}
/* loading */
.loading{display:inline-block;width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
/* empty */
.empty{text-align:center;padding:40px 20px;color:var(--text3)}
.empty .icon{font-size:40px;margin-bottom:12px}
.btn.danger{color:var(--danger);border-color:var(--danger)}
.btn.danger:hover{background:var(--danger);color:#fff}