/* ========== 知天 Weather 管理后台 公共样式 ========== */
:root{
  --brand-deep:#0E3E9E; --brand:#1E66D9; --brand-light:#57A8F5;
  --bg:#0B1530; --panel:rgba(255,255,255,.94); --panel-bd:#E2EAF6;
  --fg:#173A66; --fg-soft:#5B7599; --fg-faint:#9FB3CC;
  --green:#35C06B; --orange:#FF9A6B; --red:#E5484D; --gold:#FFC24B;
  --shadow:0 10px 30px rgba(11,21,48,.18);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  color:var(--fg); background:linear-gradient(160deg,#0E3E9E,#1E66D9 55%,#57A8F5);
  background-attachment:fixed; font-size:14px; -webkit-font-smoothing:antialiased;
}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(120,160,220,.5);border-radius:4px}

/* ---------- 登录页 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{width:380px;background:var(--panel);border-radius:20px;padding:36px 34px 30px;box-shadow:var(--shadow)}
.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.login-logo .ic{width:46px;height:46px;border-radius:13px;background:linear-gradient(135deg,#2D7FF9,#57A8F5);display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff}
.login-logo h1{font-size:21px;color:var(--fg)}
.login-sub{color:var(--fg-soft);font-size:12.5px;margin-bottom:22px}
.login-tip{margin-top:14px;background:#EFF5FF;border:1px dashed #BBD4F5;color:var(--fg-soft);font-size:11.5px;border-radius:10px;padding:8px 10px;line-height:1.7}

/* ---------- 布局 ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:210px;background:rgba(8,20,48,.92);backdrop-filter:blur(10px);padding:18px 12px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side-logo{display:flex;align-items:center;gap:9px;padding:4px 8px 16px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:12px}
.side-logo .ic{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#2D7FF9,#57A8F5);display:flex;align-items:center;justify-content:center;font-size:19px}
.side-logo b{color:#fff;font-size:15.5px}
.side-logo small{display:block;color:rgba(255,255,255,.5);font-size:10px;font-weight:400}
.side-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.side-nav a{color:rgba(255,255,255,.78);text-decoration:none;font-size:13.5px;padding:10px 12px;border-radius:10px;display:flex;align-items:center;gap:9px;transition:.15s}
.side-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.side-nav a.on{background:linear-gradient(135deg,#2D7FF9,#4B96FF);color:#fff;font-weight:600}
.side-nav .ico{font-size:15px;width:20px;text-align:center}
.side-foot{color:rgba(255,255,255,.4);font-size:10.5px;padding:10px 8px 2px;border-top:1px solid rgba(255,255,255,.1);margin-top:10px}
.main{flex:1;padding:20px 24px;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.topbar h2{color:#fff;font-size:19px;font-weight:700;text-shadow:0 1px 4px rgba(0,0,0,.15)}
.topbar .user{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);border-radius:99px;padding:5px 14px 5px 6px;color:#fff;font-size:13px}
.topbar .user .avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#FFC24B,#FF9A6B);display:flex;align-items:center;justify-content:center;font-size:14px}
.topbar .user button{background:none;border:none;color:rgba(255,255,255,.8);cursor:pointer;font-size:12px;margin-left:6px;padding:2px 6px;border-radius:6px}
.topbar .user button:hover{background:rgba(255,255,255,.2);color:#fff}

/* ---------- 卡片 / 表格 ---------- */
.panel{background:var(--panel);border-radius:16px;box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.panel h3{font-size:15px;color:var(--fg);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.panel h3 .dot{width:8px;height:8px;border-radius:2px;background:var(--brand)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:16px}
.stat{background:var(--panel);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat .num{font-size:26px;font-weight:800;color:var(--fg)}
.stat .lbl{font-size:12px;color:var(--fg-soft);margin-top:3px}
.stat .ic{position:absolute;right:14px;top:14px;font-size:26px;opacity:.25}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:12px;color:var(--fg-soft);font-weight:600;padding:9px 10px;border-bottom:1px solid #E5EDF8;white-space:nowrap}
td{padding:11px 10px;font-size:13px;border-bottom:1px solid #EEF3FA;vertical-align:middle}
tr:hover td{background:#F6FAFF}
.tag{display:inline-block;padding:2px 9px;border-radius:99px;font-size:11px;font-weight:600}
.tag.super{background:#FFF1DC;color:#B57E10}
.tag.admin{background:#E3F0FF;color:#1E66D9}
.tag.ops{background:#EAF6EF;color:#1F9D55}
.tag.ok{background:#EAF6EF;color:#1F9D55}
.tag.off{background:#FDEBEB;color:#C0392B}
.tag.pro{background:linear-gradient(135deg,#FFF3D6,#FFE4AE);color:#B57E10}
.muted{color:var(--fg-faint)}
.small{font-size:12px}
.btn{display:inline-flex;align-items:center;gap:5px;border:none;cursor:pointer;border-radius:9px;padding:7px 14px;font-size:13px;font-family:inherit;transition:.15s}
.btn.primary{background:linear-gradient(135deg,#2D7FF9,#4B96FF);color:#fff}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:#EFF4FB;color:var(--fg)}
.btn.ghost:hover{background:#E2EBF7}
.btn.danger{background:#FDEBEB;color:#C0392B}
.btn.danger:hover{background:#FBD9D9}
.btn.mini{padding:4px 10px;font-size:12px;border-radius:7px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- 工具条 ---------- */
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.toolbar input[type=text],.toolbar select,.toolbar input[type=search]{
  border:1px solid #DCE6F4;border-radius:9px;padding:8px 12px;font-size:13px;font-family:inherit;background:#fff;color:var(--fg);outline:none;min-width:180px}
.toolbar input:focus{border-color:var(--brand-light)}
.toolbar .spacer{flex:1}
.pager{display:flex;align-items:center;gap:8px;justify-content:flex-end;margin-top:12px;font-size:12.5px;color:var(--fg-soft)}
.pager button{border:1px solid #DCE6F4;background:#fff;border-radius:8px;padding:5px 12px;cursor:pointer;font-size:12.5px}
.pager button:hover:not(:disabled){background:#EFF4FB}
.pager button:disabled{opacity:.4;cursor:not-allowed}

/* ---------- 表单 / 弹窗 ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:12.5px;color:var(--fg-soft);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid #DCE6F4;border-radius:10px;padding:9px 12px;font-size:13.5px;font-family:inherit;color:var(--fg);outline:none;background:#fff}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brand-light);box-shadow:0 0 0 3px rgba(87,168,245,.15)}
.field textarea{resize:vertical;min-height:64px}
.modal-mask{position:fixed;inset:0;background:rgba(8,16,40,.55);backdrop-filter:blur(3px);display:none;align-items:center;justify-content:center;z-index:99;padding:20px}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:18px;width:520px;max-width:100%;max-height:88vh;overflow:auto;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal .m-head{padding:16px 20px;border-bottom:1px solid #EDF2F9;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;background:#fff;z-index:1}
.modal .m-head b{font-size:15.5px}
.modal .m-head button{background:none;border:none;font-size:18px;color:var(--fg-faint);cursor:pointer}
.modal .m-body{padding:20px}
.modal .m-foot{padding:14px 20px;border-top:1px solid #EDF2F9;display:flex;justify-content:flex-end;gap:10px}
.notice{background:#FFF8E8;border:1px solid #FFE3A8;color:#8A6400;border-radius:10px;padding:9px 12px;font-size:12px;margin-bottom:14px;line-height:1.6}
.view{display:none}
.view.on{display:block}

/* ---------- 趋势图 ---------- */
.bars{display:flex;align-items:flex-end;gap:14px;height:150px;padding:0 6px}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.bar{width:70%;max-width:46px;background:linear-gradient(180deg,#57A8F5,#2D7FF9);border-radius:6px 6px 0 0;min-height:3px;transition:.3s}
.bar-col span{font-size:11px;color:var(--fg-soft)}
.bar-col .v{font-size:11px;font-weight:700;color:var(--fg)}

.empty{padding:40px;text-align:center;color:var(--fg-faint);font-size:13px}
.lm-item{display:inline-flex;align-items:center;gap:6px;border:1px solid #DCE6F4;border-radius:99px;padding:7px 16px;font-size:13px;color:var(--fg);cursor:pointer;background:#fff;user-select:none}
.lm-item input{accent-color:var(--brand)}
.lm-item.on{border-color:var(--brand);background:#E8F2FF;color:var(--brand-deep);font-weight:600}