/* ====== 基础 ====== */
*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#f4f6fa;--card:#fff;--border:#e6e9f0;--text:#1f2937;--muted:#6b7280;
  --primary:#5b8def;--primary-d:#3f6fd6;--ok:#3cd2a5;--warn:#ffb648;--err:#ff6b6b;
  --radius:10px;--shadow:0 2px 12px rgba(31,41,55,.06);
}
body{margin:0;font-family:-apple-system,"Segoe UI","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-d)}
.muted{color:var(--muted)}
.small{font-size:12px}
code{background:#eef2ff;padding:2px 6px;border-radius:4px;font-size:12px;word-break:break-all}
hr{border:none;border-top:1px solid var(--border);margin:14px 0}

/* ====== 认证页 ====== */
body.auth{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;background:linear-gradient(135deg,#5b8def 0%,#3f6fd6 100%)}
.auth-card{background:var(--card);width:100%;max-width:400px;border-radius:14px;box-shadow:0 10px 40px rgba(0,0,0,.15);padding:32px}
.auth-card.home{max-width:520px;text-align:center}
.auth-card h1{margin:0 0 8px;font-size:22px}
.auth-card label{display:block;margin:14px 0;font-weight:500;font-size:13px}
.auth-card input{display:block;width:100%;margin-top:6px;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px}
.auth-card input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,141,239,.15)}
.home-actions{display:flex;gap:10px;justify-content:center;margin:18px 0}
.home-features{list-style:none;padding:0;margin:18px 0 0;text-align:left;display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;font-size:13px;color:var(--muted)}
.home-features li::before{content:"✓ ";color:var(--ok)}

/* ====== 按钮 ====== */
.btn,.btn-sm{display:inline-block;padding:9px 16px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:14px;cursor:pointer;transition:.15s}
.btn:hover,.btn-sm:hover{background:var(--primary-d);color:#fff}
.btn-ghost{background:transparent;color:var(--primary);border:1px solid var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-sm.danger{background:var(--err)}
.btn-sm.danger:hover{background:#e85555}

/* ====== 提示 ====== */
.alert{padding:10px 14px;border-radius:8px;margin:10px 0;font-size:13px}
.alert-ok{background:#e6f9f2;color:#1a8862;border:1px solid #bff0e0}
.alert-warn{background:#fff5e0;color:#b07d10;border:1px solid #ffe3a8}
.alert-err{background:#fdeaea;color:#c0392b;border:1px solid #f8c8c8}

/* ====== 应用布局 ====== */
.app{display:flex;min-height:100vh}
.side{width:220px;background:#1f2937;color:#cbd5e1;flex-shrink:0;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.logo{padding:20px 18px;font-size:16px;font-weight:600;color:#fff;border-bottom:1px solid #374151}
.nav{flex:1;padding:10px 0;overflow-y:auto}
.nav-item{display:block;padding:10px 18px;color:#cbd5e1;font-size:14px}
.nav-item:hover{background:#374151;color:#fff}
.nav-item.active{background:var(--primary);color:#fff}
.side-foot{padding:14px 18px;border-top:1px solid #374151;font-size:12px}
.side-foot a{color:#9ca3af;margin-right:8px}
.main{flex:1;margin-left:220px;padding:0;min-width:0}
.top{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}
.top-site{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.top-site h2{margin:0;font-size:18px}
.top-right{display:flex;align-items:center;gap:14px}
.select{padding:7px 10px;border:1px solid var(--border);border-radius:8px;background:#fff;font-size:13px}
.select:focus{outline:none;border-color:var(--primary)}
.badge{background:#eef2ff;color:var(--primary);padding:4px 10px;border-radius:20px;font-size:12px;font-weight:500}
.badge.live{background:#e6f9f2;color:#1a8862}

/* ====== 卡片/网格 ====== */
#view,.main>div{padding:20px 24px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px}
.card-h{padding:12px 16px;border-bottom:1px solid var(--border);font-weight:600;font-size:14px;display:flex;justify-content:space-between;align-items:center}
.card-b{padding:14px 16px}
/* "更多"链接 */
.more-link{font-size:12px;font-weight:400;color:var(--primary);text-decoration:none}
.more-link:hover{text-decoration:underline}
/* 来源超链接 */
.src-link{color:var(--primary);text-decoration:none}
.src-link:hover{text-decoration:underline}
/* 概况里的查询区间（调试 + 用户透明度） */
.range-info{background:var(--bg);padding:10px 14px;border-radius:6px;margin:14px 0;color:var(--muted);font-size:12px;border-left:3px solid var(--primary)}
/* 账号信息行 */
.info-row{display:flex;align-items:center;gap:12px;margin:6px 0}
.info-row .info-l{color:var(--muted);font-size:13px;min-width:72px}
.info-row .info-v{font-size:14px;font-weight:600}
/* 趋势切换按钮组 */
.trend-tabs{display:flex;gap:4px;margin-left:auto}
.trend-tab{padding:3px 10px;font-size:12px;border:1px solid var(--border);background:#fff;color:var(--muted);border-radius:4px;cursor:pointer;transition:all .15s}
.trend-tab:hover{border-color:var(--primary);color:var(--primary)}
.trend-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:900px){.grid2{grid-template-columns:1fr}.side{display:none}.main{margin-left:0}}

/* ====== 统计卡 ====== */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:16px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}
.stat-l{color:var(--muted);font-size:12px;margin-bottom:6px}
.stat-v{font-size:24px;font-weight:700}
.stat-v .unit{font-size:12px;color:var(--muted);font-weight:400;margin-left:3px}
.stat-d{font-size:15px;margin-top:8px;font-weight:600}
.stat-d.up{color:var(--ok)}
.stat-d.down{color:var(--err)}

/* 上一周期子行（位于 .stat-v 与 .stat-d 之间）
   - has-label 版本：仅第一张卡（PV）使用，含"昨日"小标签 + 数值，小号、浅色、不加粗
   - 默认版本：其余5张卡使用，不显示标签，仅显示上一周期数值，字号比今日(24px)小一号(20px) */
.stat-sub{display:flex;align-items:baseline;gap:8px;margin-top:4px;line-height:1.4}
.stat-sub.has-label{font-size:12px;color:var(--muted);font-weight:400}
.stat-sub-l{color:var(--muted);font-size:12px;font-weight:400}
.stat-sub-v{font-size:14px;color:#9ca3af;font-weight:400}
.stat-sub-v.lg{font-size:20px;color:#6b7280}
.stat-sub-v .unit{font-size:12px;color:#9ca3af;font-weight:400;margin-left:2px}
.stat-sub-v.lg .unit{font-size:14px;color:#9ca3af;font-weight:400;margin-left:2px}

/* ====== 表格 ====== */
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{text-align:left;padding:9px 10px;color:var(--muted);font-weight:600;border-bottom:2px solid var(--border);white-space:nowrap}
.tbl td{padding:8px 10px;border-bottom:1px solid var(--border);word-break:break-all;max-width:340px}
.tbl tbody tr:hover{background:#f8faff}
.tbl .empty{text-align:center;color:var(--muted);padding:24px}

/* IP 列样式：等宽字体便于辨识 IPv6 长地址。v6 角标用小一号字体青色显示 */
.ip-mono{font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:12.5px;color:#1f2937}
.ip-v6{color:#0e7490}
.ip-tag{font-style:normal;font-size:10px;color:#0e7490;background:#cffafe;padding:1px 4px;border-radius:3px;margin-left:2px;font-weight:600;vertical-align:middle}

/* ====== 分页 ====== */
.pager{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding:10px 0 4px;font-size:13px}
.pg-btn{min-width:32px;height:30px;padding:0 10px;border:1px solid var(--border);background:#fff;color:var(--text);border-radius:6px;cursor:pointer;font-size:13px;transition:.15s}
.pg-btn:hover:not(:disabled):not(.active){border-color:var(--primary);color:var(--primary)}
.pg-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pg-btn:disabled{opacity:.45;cursor:not-allowed}
.pg-ellipsis{padding:0 4px;color:var(--muted)}
.pg-info{margin-left:auto;color:var(--muted);font-size:12px}

/* ====== 图表 ====== */
.chart{position:relative;height:260px}
.loading{padding:40px;text-align:center;color:var(--muted)}

/* ====== Tab ====== */
.tabs{display:flex;gap:6px;border-bottom:2px solid var(--border);margin-bottom:16px;flex-wrap:wrap}
.tab{padding:8px 14px;background:transparent;border:none;border-bottom:2px solid transparent;cursor:pointer;font-size:13px;color:var(--muted)}
.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
.tab:hover{color:var(--primary)}

/* ====== 表单 ====== */
.form label{display:block;margin:10px 0;font-size:13px;color:var(--text)}
.form input,.form select{display:block;width:100%;max-width:320px;margin-top:5px;padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px}
.form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,141,239,.12)}
.form .row{margin-top:14px}
.inline{display:inline}
.perms{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end}
.perms label{margin:0}
/* 内联表单（用于"数据保留"等多控件同排场景） */
.inline-form{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:14px;padding-top:14px;border-top:1px dashed var(--border)}
.inline-form label{margin:0;display:flex;align-items:center;gap:6px;font-size:13px}
.inline-form select{width:auto;min-width:140px}
.chk{display:inline-flex !important;align-items:center;gap:6px;font-weight:400 !important}
.chk input{width:auto !important;margin:0 !important}
.actions{margin-top:10px;display:flex;gap:8px}
.install code{display:block;padding:10px;background:#0d1117;color:#79c0ff;border-radius:6px;font-size:12px}
.install-item{padding:10px 0;border-top:1px solid var(--border)}
.install-item:first-of-type{border-top:none;padding-top:0}
.install-head{margin-bottom:6px}
.install-code{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.install-code code{flex:1;min-width:200px;display:block;padding:10px 12px;background:#0d1117;color:#79c0ff;border-radius:6px;font-size:12px;word-break:break-all;font-family:Menlo,Consolas,monospace}