/* 万能智能体系统 · 后台样式 */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#f4f6fa;--card:#fff;--line:#e6e9f0;--txt:#1a1d24;--sub:#7a8194;
  --pri:#3b6ef5;--pri-d:#2f59cc;--ok:#12a150;--warn:#e8890c;--err:#e5484d;
  --radius:12px;--shadow:0 1px 10px rgba(20,30,60,.06);
}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--txt);font-size:14px;line-height:1.6}
.hide{display:none!important}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;font-size:inherit}
input,textarea,select{font-family:inherit;font-size:14px;outline:none}
a{color:var(--pri);text-decoration:none}

/* 登录 */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}
.login-card{width:340px;background:#fff;border-radius:18px;padding:34px 28px;box-shadow:0 4px 24px rgba(20,30,60,.1);text-align:center}
.login-logo{width:52px;height:52px;margin:0 auto 12px;border-radius:15px;background:linear-gradient(135deg,var(--pri),#6a8cff);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700}
.login-card h1{font-size:19px;margin-bottom:4px}
.login-card p{color:var(--sub);font-size:13px;margin-bottom:20px}
.login-card input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;margin-bottom:10px;background:#fafbfd}
.login-card input:focus{border-color:var(--pri);background:#fff}
.back-link{display:inline-block;margin-top:14px;font-size:12px;color:var(--sub)}

/* 布局 */
.side{position:fixed;left:0;top:0;bottom:0;width:186px;background:#1e2536;color:#b8c0d4;display:flex;flex-direction:column;z-index:30}
.side-logo{padding:18px 18px 14px;font-weight:700;font-size:15px;color:#fff;letter-spacing:.5px}
#nav{flex:1;overflow-y:auto;padding:0 8px}
.nav-item{display:block;width:100%;text-align:left;padding:9px 12px;border-radius:8px;color:#b8c0d4;font-size:14px;margin-bottom:2px}
.nav-item:hover{background:#2a3348;color:#fff}
.nav-item.on{background:var(--pri);color:#fff;font-weight:600}
.side-foot{padding:12px;border-top:1px solid #2a3348;display:flex;flex-direction:column;gap:6px}
.side-foot a{color:#8f9ab5;font-size:12px}
.side-foot button{color:#8f9ab5;font-size:12px;text-align:left;padding:4px 0}
.side-foot a:hover,.side-foot button:hover{color:#fff}

.main{margin-left:186px;min-height:100vh}
.top{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line);padding:0 22px;height:56px;display:flex;align-items:center;justify-content:space-between}
.top h2{font-size:17px;font-weight:700}
.top-right{font-size:13px;color:var(--sub)}
.panel{padding:20px 22px 50px;max-width:1280px}

/* 卡片 & 表格 */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.card-title{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;justify-content:space-between;align-items:center}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.stat{background:#fff;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.stat-num{font-size:22px;font-weight:700;color:var(--pri);line-height:1.3}
.stat-lab{font-size:12px;color:var(--sub);margin-top:2px}
.stat-num.ok{color:var(--ok)} .stat-num.warn{color:var(--warn)} .stat-num.err{color:var(--err)}

.bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.spacer{flex:1}

table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:9px 10px;background:#f7f8fb;color:var(--sub);font-weight:600;white-space:nowrap}
th:first-child{border-radius:8px 0 0 8px} th:last-child{border-radius:0 8px 8px 0}
td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:hover td{background:#fafbfd}
.tbl-wrap{overflow-x:auto;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:4px}
.tbl-empty{text-align:center;color:var(--sub);padding:40px}

.pill{display:inline-block;font-size:11px;padding:2px 8px;border-radius:20px}
.pill-on{background:#e8f7ee;color:var(--ok)} .pill-off{background:#f2f3f7;color:var(--sub)}
.pill-pri{background:#eef2ff;color:var(--pri)} .pill-warn{background:#fff6e8;color:var(--warn)}
.pill-err{background:#fdecec;color:var(--err)}

/* 表单 */
.btn-primary{width:100%;padding:11px;border-radius:9px;background:var(--pri);color:#fff;font-size:15px;font-weight:600}
.btn-primary.sm{width:auto;padding:8px 20px;font-size:14px;border-radius:8px}
.btn-primary:hover{background:var(--pri-d)}
.btn-primary:disabled{opacity:.55}
/* 危险操作（删除）的确定按钮：染红，和普通保存区分开防误点 */
.btn-primary.danger{background:var(--err)}
.btn-primary.danger:hover{filter:brightness(.9)}
.btn-ghost{padding:8px 18px;border-radius:8px;border:1px solid var(--line);color:var(--sub)}
.btn-ghost:hover{background:#f7f8fb}
.btn-line{padding:6px 13px;border-radius:8px;border:1px solid var(--line);font-size:13px;background:#fff}
.btn-line:hover{border-color:var(--pri);color:var(--pri)}
.btn-line.danger:hover{border-color:var(--err);color:var(--err)}
.btn-line.primary{background:var(--pri);border-color:var(--pri);color:#fff}
.btn-line.primary:hover{background:var(--pri-d)}
.btn-mini{padding:3px 9px;border-radius:6px;font-size:12px;border:1px solid var(--line);background:#fff;margin-right:4px}
.btn-mini:hover{border-color:var(--pri);color:var(--pri)}
.btn-mini.danger:hover{border-color:var(--err);color:var(--err)}
/*禁用态：分页按钮到头时要有明确反馈，否则看起来还能点 */
.btn-mini:disabled{opacity:.45;cursor:not-allowed;border-color:var(--line);color:var(--sub)}
.btn-mini:disabled:hover{border-color:var(--line);color:var(--sub)}

.f-row{margin-bottom:13px}
.f-row label{display:block;font-size:13px;color:var(--sub);margin-bottom:5px}
.f-row label b{color:var(--err);font-weight:400}
.f-row input[type=text],.f-row input[type=number],.f-row input[type=password],.f-row input[type=url],.f-row textarea,.f-row select{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:#fafbfd
}
.f-row input:focus,.f-row textarea:focus,.f-row select:focus{border-color:var(--pri);background:#fff}
.f-row textarea{resize:vertical;min-height:80px;line-height:1.6}
.f-hint{font-size:12px;color:var(--sub);margin-top:4px}
.f-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.f-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.f-chk{display:flex;align-items:center;gap:7px;margin-bottom:9px;font-size:14px;cursor:pointer}
.f-chk input{width:16px;height:16px;accent-color:var(--pri)}
.kn-pick{max-height:190px;overflow-y:auto;border:1px solid var(--line);border-radius:8px;padding:8px;background:#fafbfd}
.kn-pick label{display:flex;gap:7px;align-items:center;padding:5px 4px;font-size:13px;cursor:pointer;border-radius:6px}
.kn-pick label:hover{background:#fff}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(15,20,32,.45);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:#fff;border-radius:14px;width:min(620px,94vw);max-height:88vh;display:flex;flex-direction:column;box-shadow:0 12px 40px rgba(0,0,0,.2)}
.modal.wide{width:min(860px,96vw)}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;border-bottom:1px solid var(--line);font-weight:700}
.modal-head button{font-size:22px;color:var(--sub);line-height:1}
.modal-body{padding:20px;overflow-y:auto;flex:1}
.modal-foot{padding:13px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:9px}

#toast{position:fixed;left:50%;top:70px;transform:translateX(-50%);background:rgba(25,30,42,.93);color:#fff;padding:9px 18px;border-radius:9px;font-size:14px;z-index:200;display:none;max-width:80vw;text-align:center}
#toast.err{background:var(--err)}
#toast.ok{background:var(--ok)}

.trend{display:flex;align-items:flex-end;gap:4px;height:130px;padding-top:10px}
.trend-col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:4px;min-width:0}
.trend-bar{width:100%;max-width:26px;background:linear-gradient(180deg,var(--pri),#7b9bff);border-radius:4px 4px 0 0;min-height:2px}
.trend-lbl{font-size:10px;color:var(--sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.trend-val{font-size:10px;color:var(--sub)}

/* 平板（≤820px）：侧栏收成图标列 */
@media(max-width:820px){
  .side{width:60px}.side-logo,.nav-item{font-size:0;padding:11px 0;text-align:center}
  .side-logo::after{content:"AI";font-size:15px}
  .nav-item::first-letter{font-size:14px}
  .side-foot{display:none}
  .main{margin-left:60px}
  .f-2,.f-3{grid-template-columns:1fr}
}

/* 手机（≤640px）：侧栏变顶部横向导航，内容全宽，弹窗贴底抽屉式 */
@media(max-width:640px){
  .side{position:static;width:100%;height:auto;flex-direction:row;align-items:center}
  .side-logo{padding:10px 10px;font-size:12px;white-space:nowrap;letter-spacing:0}
  .side-logo::after{content:none}
  #nav{display:flex;overflow-x:auto;padding:6px 6px;-webkit-overflow-scrolling:touch;flex:1}
  #nav::-webkit-scrollbar{display:none}
  .nav-item{display:inline-block;width:auto;white-space:nowrap;padding:7px 11px;font-size:13px;margin:0 2px;border-radius:20px}
  .nav-item::first-letter{font-size:inherit}
  .side-foot{display:none}
  .main{margin-left:0}
  .top{height:48px;padding:0 12px}
  .top h2{font-size:15px}
  .panel{padding:12px 12px 44px}
  .card{padding:13px}
  table{font-size:12px}
  th,td{padding:8px 7px}
  .btn-mini{padding:6px 10px;font-size:12px;margin-right:3px;margin-bottom:3px}
  .btn-line{padding:8px 12px;font-size:13px}
  .btn-primary.sm{padding:9px 16px}
  .stat-num{font-size:19px}
  .stat{padding:12px}
  .f-row input[type=text],.f-row input[type=number],.f-row input[type=password],.f-row input[type=url],.f-row textarea,.f-row select{
    padding:10px 11px;font-size:16px   /* 16px 防 iOS 聚焦自动放大 */
  }
  .trend{height:100px}
  /* 弹窗：贴底抽屉式，好用且不遮挡全屏 */
  .modal-mask{padding:0;align-items:flex-end}
  .modal{width:100%;max-width:100%;max-height:92vh;border-radius:16px 16px 0 0}
  .modal.wide{width:100%}
  .modal-body{padding:14px}
  .modal-foot{padding:10px 14px}
  #toast{top:auto;bottom:80px}
}