/* 明信云科技广告管理后台 · 极简科技风 v2 */
:root{
  --bg:#F6F7F9; --panel:#FFFFFF; --border:#E9EBEF;
  --text:#1B1F27; --muted:#8A91A0; --accent:#2563EB; --accent-bg:#EDF3FF;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,"Courier New",monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}

/* ---- 登录页 ---- */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 1px 1px,#DDE1E8 1px,transparent 0);background-size:26px 26px;background-color:var(--bg)}
.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:48px 44px 36px;width:400px;box-shadow:0 20px 50px rgba(27,31,39,.06)}
.login-logo{width:52px;height:52px;border-radius:12px;border:1px dashed #C6CBD4;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:11px;letter-spacing:.08em;margin-bottom:24px}
.login-card h1{font-size:20px;font-weight:600}
.login-card .sub{color:var(--muted);font-size:11px;letter-spacing:.22em;margin:8px 0 32px}
.login-foot{margin-top:28px;padding-top:20px;border-top:1px solid #F0F1F4;text-align:center;color:#A6ACB9;font-size:11px;line-height:1.9}
.login-foot a{color:#A6ACB9;text-decoration:none}
.login-foot a:hover{color:var(--accent)}

/* ---- 外壳 ---- */
.shell{display:flex;min-height:100vh}
.sidebar{width:216px;background:var(--panel);border-right:1px solid var(--border);padding:20px 12px 14px;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.side-logo{display:flex;align-items:center;gap:10px;padding:4px 10px 22px;text-decoration:none}
.logo-box{width:34px;height:34px;border-radius:9px;border:1px dashed #C6CBD4;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:9px;flex:none}
.side-logo .name{font-size:13px;font-weight:600;line-height:1.3;color:var(--text)}
.side-logo .name small{display:block;font-weight:400;color:var(--muted);font-size:10px;letter-spacing:.1em}
.nav-group{margin-bottom:18px}
.nav-group .cap{font-size:11px;color:#A6ACB9;padding:0 12px;margin-bottom:8px;letter-spacing:.06em}
.nav-item{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:8px;color:#4B5260;font-size:13px;margin-bottom:2px;text-decoration:none}
.nav-item svg{width:15px;height:15px;flex:none}
.nav-item:hover{background:#F4F6F9;color:var(--text)}
.nav-item.active{background:var(--accent-bg);color:var(--accent);font-weight:500}
.side-foot{margin-top:auto;border-top:1px solid var(--border);padding-top:14px}
.side-user{display:flex;align-items:center;gap:9px;padding:6px 10px}
.avatar{width:30px;height:30px;border-radius:50%;background:#E8EBF0;color:#4B5260;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;flex:none}
.side-user .who{font-size:12px;line-height:1.4}
.side-user .who small{display:block;color:var(--muted);font-size:10px}
.side-logout{display:block;text-align:center;font-size:12px;color:var(--muted);text-decoration:none;padding:8px 0 2px}
.side-logout:hover{color:#D24A4A}

.main{flex:1;margin-left:216px;padding:32px 40px 24px;display:flex;flex-direction:column;min-height:100vh}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.page-head h2{font-size:19px;font-weight:600}
.page-head .crumb{color:var(--muted);font-size:12px;margin-top:5px}
.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* ---- 按钮 ---- */
.btn{display:inline-block;border:1px solid var(--border);background:var(--panel);border-radius:8px;padding:9px 16px;font-size:13px;cursor:pointer;color:var(--text);text-decoration:none}
.btn:hover{border-color:#C9CEDB;background:#FAFBFC}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:#1D4FD8}
.btn.sm{padding:5px 12px;font-size:12px;border-radius:6px}
.btn.link{border:none;background:none;color:var(--accent);padding:4px 8px;cursor:pointer;font-size:13px;text-decoration:none;display:inline-block}
.btn.link:hover{background:var(--accent-bg);border-radius:6px}
.btn.danger-link{border:none;background:none;color:#D24A4A;padding:4px 8px;cursor:pointer;font-size:13px}
.btn.danger-link:hover{background:#FDEEEE;border-radius:6px}

/* ---- 统计卡 ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.stat{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px 18px}
.stat .k{color:var(--muted);font-size:12px;margin-bottom:8px}
.stat .v{font-size:24px;font-weight:600;font-family:var(--mono);letter-spacing:-.02em}
.stat .v small{font-size:12px;color:var(--muted);font-weight:400;font-family:inherit;margin-left:4px}
.stat .v.accent{color:var(--accent)}

/* ---- 面板与表格 ---- */
.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden;margin-bottom:18px}
.panel-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border);gap:10px;flex-wrap:wrap}
.panel-bar .t{font-size:13px;font-weight:600}
.panel-bar .r{color:var(--muted);font-size:12px}
table{width:100%;border-collapse:collapse}
th{font-size:12px;color:var(--muted);font-weight:500;text-align:left;padding:11px 18px;border-bottom:1px solid var(--border);background:#FAFBFC;white-space:nowrap}
td{padding:13px 18px;border-bottom:1px solid #F2F3F6;font-size:13px;vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:#FAFBFD}
.mono{font-family:var(--mono);font-size:12.5px}
.cell-sub{display:block;color:var(--muted);font-size:11px;margin-top:2px;font-family:var(--mono)}
.client-cell{font-weight:500}
.client-cell small{display:block;color:var(--muted);font-weight:400;font-size:11px;margin-top:1px}
.empty{padding:40px;text-align:center;color:var(--muted);font-size:13px}
.t-right{text-align:right}

/* ---- 徽章 ---- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:99px;font-size:12px;white-space:nowrap}
.badge::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}
.b-gray{background:#F2F3F5;color:#7A8194}
.b-blue{background:var(--accent-bg);color:var(--accent)}
.b-green{background:#EDF7F0;color:#2F9E5B}
.b-amber{background:#FBF3E4;color:#C77E14}
.b-off{background:#FAFBFC;color:#A6ACB9;border:1px solid var(--border)}
.badge.plain::before{display:none}

/* ---- 筛选 ---- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;padding:14px 18px;border-bottom:1px solid var(--border);background:#FAFBFC}
.filter-row .fl{display:flex;flex-direction:column;gap:4px}
.filter-row label{font-size:11px;color:var(--muted)}
.filter-row input,.filter-row select{border:1px solid var(--border);border-radius:7px;padding:7px 10px;font-size:12.5px;background:#fff;outline:none;color:var(--text)}
.filter-row input:focus,.filter-row select:focus{border-color:var(--accent)}
.filter-ops{display:flex;gap:8px;margin-left:auto}
.search-wrap{position:relative;flex:1;min-width:260px;max-width:480px}
.search-wrap input{width:100%;border:1px solid var(--border);border-radius:8px;padding:9px 34px 9px 12px;font-size:13px;background:#fff;outline:none}
.search-wrap input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}
.search-wrap .kbd{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-size:11px;color:#A6ACB9;border:1px solid var(--border);border-radius:4px;padding:1px 6px;background:#FAFBFC;font-family:var(--mono)}
.search-results{position:absolute;top:calc(100% + 6px);left:0;right:0;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 12px 32px rgba(27,31,39,.1);z-index:50;max-height:380px;overflow-y:auto}
.sr-item{padding:11px 14px;border-bottom:1px solid #F2F3F6}
.sr-item:last-child{border-bottom:none}
.sr-item .ph{font-family:var(--mono);font-size:13px;font-weight:500}
.sr-item .meta{color:var(--muted);font-size:11px;margin-top:3px}
.sr-empty{padding:14px;color:var(--muted);font-size:12px;text-align:center}

/* ---- 表单 ---- */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;padding:16px 18px}
.form-grid .fg{display:flex;flex-direction:column;gap:5px}
.form-grid label{font-size:11px;color:var(--muted)}
.form-grid input,.form-grid select,.form-grid textarea{border:1px solid var(--border);border-radius:7px;padding:8px 10px;font-size:13px;background:#fff;outline:none;color:var(--text);font-family:inherit}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--accent)}
.form-grid textarea{resize:vertical}
.hint{color:var(--muted);font-size:11px;line-height:1.7;padding:0 18px 14px}
.login-card .field{margin-bottom:16px}
.login-card .field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.login-card .field input{width:100%;border:1px solid var(--border);border-radius:8px;padding:11px 12px;font-size:14px;background:#FAFBFC;outline:none;transition:border .15s}
.login-card .field input:focus{border-color:var(--accent);background:#fff}
.login-card .btn-primary{width:100%;background:var(--accent);color:#fff;border:none;border-radius:8px;padding:12px;font-size:14px;font-weight:500;cursor:pointer;margin-top:8px}
.login-card .btn-primary:hover{background:#1D4FD8}

/* ---- 权限矩阵 ---- */
.matrix .yes{color:var(--accent);font-weight:600}
.matrix .no{color:#C3C8D2}

/* ---- flash 提示 ---- */
.flash{border-radius:10px;padding:12px 16px;margin-bottom:14px;font-size:13px;border:1px solid}
.flash-ok{background:#EDF7F0;border-color:#CBE8D6;color:#20744A}
.flash-error{background:#FDF1F1;border-color:#F3D2D2;color:#B03636}

/* ---- 分页 ---- */
.pager{display:flex;gap:6px;justify-content:center;padding:14px}
.pager a,.pager span{border:1px solid var(--border);border-radius:7px;padding:6px 12px;font-size:12px;text-decoration:none;color:var(--text);background:#fff}
.pager .cur{background:var(--accent-bg);color:var(--accent);border-color:var(--accent-bg);font-weight:600}
.pager a:hover{border-color:#C9CEDB}

/* ---- 页脚 ---- */
.page-foot{margin-top:auto;padding-top:26px;text-align:center;color:#A6ACB9;font-size:11.5px;line-height:1.9}
.page-foot a{color:#A6ACB9;text-decoration:none}
.page-foot a:hover{color:var(--accent)}

/* ---- 密码提示条 ---- */
.pwd-banner{background:var(--accent-bg);border:1px solid #D5E3FB;border-radius:10px;padding:12px 16px;margin-bottom:16px;font-size:13px;color:#1D4FD8}

@media (max-width:900px){
  .sidebar{width:64px;padding:14px 8px}
  .side-logo .name,.nav-group .cap,.side-user .who,.side-logout{display:none}
  .main{margin-left:64px;padding:20px 16px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .nav-item{justify-content:center;padding:10px 0}
  .nav-item svg{width:17px;height:17px}
}