/* ==========================================================================
   姻缘阁 · 后台样式
   ========================================================================== */
:root{
  --c-primary:#b3121f;
  --c-primary-2:#d93a45;
  --c-bg:#f5f6f8;
  --c-panel:#fff;
  --c-ink:#25292f;
  --c-ink-2:#5b6371;
  --c-ink-3:#98a0ad;
  --c-line:#e6e9ee;
  --c-ok:#1a8a4a;
  --c-bad:#c02626;
  --r:12px;
}
*{box-sizing:border-box}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:14px;color:var(--c-ink);background:var(--c-bg);line-height:1.65;
}
a{color:var(--c-primary);text-decoration:none}
a:hover{text-decoration:underline}
code{background:#f1f3f6;padding:1px 5px;border-radius:4px;font-size:12.5px}

/* ---------- 布局 ---------- */
.admin-shell{display:flex;min-height:100vh}
.side{
  width:210px;flex:0 0 210px;background:#1f242c;color:#c9cfd8;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.side-logo{display:flex;gap:10px;align-items:center;padding:18px 16px;border-bottom:1px solid #2c333d}
.side-logo span{
  width:34px;height:34px;flex:0 0 34px;border-radius:9px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;font-size:19px;display:flex;align-items:center;justify-content:center;
}
.side-logo b{display:block;color:#fff;font-size:15px}
.side-logo i{font-style:normal;font-size:11px;color:#8b94a1}
.side-nav{padding:10px 8px;display:flex;flex-direction:column;gap:2px;flex:1}
.side-nav a{
  color:#c9cfd8;padding:9px 12px;border-radius:8px;font-size:13.5px;
}
.side-nav a:hover{background:#2a313b;text-decoration:none}
.side-nav a.on{background:linear-gradient(135deg,var(--c-primary),#8f0f1c);color:#fff}
.side-foot{padding:12px 16px;border-top:1px solid #2c333d;display:flex;flex-direction:column;gap:6px;font-size:12.5px}
.side-foot a{color:#8b94a1}

.content{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  background:#fff;border-bottom:1px solid var(--c-line);
  padding:14px 22px;display:flex;align-items:center;justify-content:space-between;
  position:sticky;top:0;z-index:5;
}
.topbar h1{font-size:17px;margin:0}
.topbar .who{font-size:12.5px;color:var(--c-ink-3)}
.page{padding:18px 22px;flex:1}
.admin-foot{padding:14px 22px;color:var(--c-ink-3);font-size:12px;text-align:center}

/* ---------- 卡片 / 面板 ---------- */
.panel{
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r);
  padding:16px 18px;margin-bottom:16px;
}
.panel h2{font-size:15px;margin:0 0 12px;display:flex;align-items:center;gap:10px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.panel-head h2{margin:0}
.panel-head .more{font-size:12.5px;margin-left:auto}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.empty{color:var(--c-ink-3);text-align:center;padding:24px 0}

/* ---------- 统计 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}
.stat{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r);padding:14px 16px;
  position:relative;overflow:hidden;
}
.stat::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--c-primary),#e2a86a)}
.stat span{display:block;font-size:12.5px;color:var(--c-ink-3)}
.stat b{font-size:26px;color:var(--c-ink)}
.stat i{font-style:normal;font-size:12px;color:var(--c-ink-3);margin-left:6px}

.dist{display:flex;flex-direction:column;gap:8px}
.dist-row{display:flex;align-items:center;gap:10px;font-size:12.5px}
.dist-k{width:74px;flex:0 0 74px;color:var(--c-ink-2)}
.dist-bar{flex:1;height:9px;background:#f1f3f6;border-radius:99px;overflow:hidden}
.dist-bar i{display:block;height:100%;background:linear-gradient(90deg,#e2a86a,var(--c-primary));border-radius:99px}
.dist-v{width:44px;text-align:right;color:var(--c-ink-3)}

.trend{display:flex;gap:14px;align-items:flex-end;height:150px;padding:8px 4px 0}
.trend-col{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end;gap:4px}
.trend-bar{flex:1;width:100%;display:flex;align-items:flex-end}
.trend-bar i{display:block;width:100%;background:linear-gradient(180deg,var(--c-primary-2),var(--c-primary));border-radius:6px 6px 0 0;min-height:3px}
.trend-col span{font-size:12px;color:var(--c-ink-2)}
.trend-col em{font-style:normal;font-size:11px;color:var(--c-ink-3)}

/* ---------- 表格 ---------- */
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th,.table td{border-bottom:1px solid var(--c-line);padding:9px 8px;text-align:left;vertical-align:top}
.table th{background:#fafbfc;color:var(--c-ink-2);font-weight:600;font-size:12.5px;white-space:nowrap}
.table tr:hover td{background:#fcfcfd}
.table .score{color:var(--c-primary);font-size:16px}
.mini{font-size:11.5px;color:var(--c-ink-3);font-style:normal;line-height:1.6}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}
.info-table th{width:110px;background:#fafbfc;font-size:12.5px;color:var(--c-ink-2)}

/* ---------- 表单 ---------- */
.input-block{width:100%;padding:8px 10px;border:1px solid var(--c-line);border-radius:8px;font-size:13px;font-family:inherit;outline:none;background:#fff}
.input-block:focus{border-color:var(--c-primary-2);box-shadow:0 0 0 3px rgba(217,58,69,.08)}
textarea.input-block{resize:vertical;line-height:1.7}
.input-sm{width:100%;padding:6px 8px;border:1px solid var(--c-line);border-radius:7px;font-size:12.5px;outline:none}
.input-num{width:80px;padding:7px 10px;border:1px solid var(--c-line);border-radius:8px;font-size:14px;outline:none}
.form-table{width:100%;border-collapse:collapse}
.form-table th{width:150px;text-align:left;vertical-align:top;padding:10px 10px 10px 0;font-size:13px;color:var(--c-ink-2);font-weight:600}
.form-table td{padding:8px 0;border-bottom:1px solid #f3f5f8}
.form-table tr:last-child td{border-bottom:0}
.radio{display:inline-flex;align-items:center;gap:6px;margin-right:18px;font-size:13px;cursor:pointer}

.btn{
  display:inline-block;padding:8px 16px;border:0;border-radius:8px;cursor:pointer;
  background:linear-gradient(135deg,var(--c-primary),#8f0f1c);color:#fff;font-size:13px;font-family:inherit;
}
.btn:hover{opacity:.92;text-decoration:none;color:#fff}
.btn.ghost{background:#fff;color:var(--c-ink-2);border:1px solid var(--c-line)}
.btn.ghost:hover{background:#f7f8fa;color:var(--c-ink)}
.btn.danger{background:linear-gradient(135deg,#d24343,#a52121)}
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;background:#fff;border:1px solid var(--c-line);border-radius:var(--r);padding:12px 14px;margin-bottom:16px}
.filter-bar input[type=text],.filter-bar input[type=number],.filter-bar input[type=date]{
  padding:7px 10px;border:1px solid var(--c-line);border-radius:8px;font-size:13px;font-family:inherit;outline:none;
}
.filter-bar input[type=text]{width:180px}
.filter-bar input[type=number]{width:100px}
.inline-form{display:flex;gap:8px;flex-wrap:wrap}
.inline-form input{padding:7px 10px;border:1px solid var(--c-line);border-radius:8px;font-size:13px;outline:none;font-family:inherit}
.inline-form input:first-child{width:220px}
.pager{display:flex;gap:14px;align-items:center;justify-content:center;padding:14px 0 4px;font-size:13px;color:var(--c-ink-2)}
.ok{color:var(--c-ok)}
.bad{color:var(--c-bad)}

.flash{padding:10px 14px;border-radius:10px;margin-bottom:14px;font-size:13px}
.flash-ok{background:#eaf7ef;border:1px solid #bfe6ce;color:#1a7a45}
.flash-error{background:#fdecec;border:1px solid #f6c9c9;color:#a52121}

.prose-box{
  background:#fafbfc;border:1px solid var(--c-line);border-radius:9px;
  padding:10px 12px;font-size:13px;color:#414751;line-height:1.85;margin-bottom:10px;
}
.mini-title{font-size:13px;margin:12px 0 6px;color:var(--c-primary)}
pre.code{
  background:#1f242c;color:#d7dce4;padding:14px;border-radius:10px;overflow:auto;
  font-size:12px;line-height:1.6;max-height:420px;
}

/* ---------- 登录页 ---------- */
.login-body{
  display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:radial-gradient(900px 400px at 50% -100px,#fff0e6 0%,rgba(255,240,230,0) 70%),#f5f6f8;
}
.login-box{
  width:360px;background:#fff;border:1px solid var(--c-line);border-radius:16px;
  padding:30px 26px;box-shadow:0 18px 50px rgba(40,30,20,.1);
}
.login-logo{
  width:52px;height:52px;margin:0 auto 12px;border-radius:14px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;font-size:28px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(179,18,31,.25);
}
.login-box h1{font-size:16px;text-align:center;margin:0 0 20px;font-weight:600}
.login-box label{display:block;font-size:12.5px;color:var(--c-ink-2);margin-bottom:12px}
.login-box input{
  width:100%;margin-top:6px;padding:10px 12px;border:1px solid var(--c-line);
  border-radius:9px;font-size:14px;outline:none;font-family:inherit;
}
.login-box input:focus{border-color:var(--c-primary-2);box-shadow:0 0 0 3px rgba(217,58,69,.1)}
.login-box button{
  width:100%;margin-top:6px;padding:12px;border:0;border-radius:10px;cursor:pointer;
  background:linear-gradient(135deg,var(--c-primary),#8f0f1c);color:#fff;font-size:15px;letter-spacing:3px;font-family:inherit;
}
.login-tip{font-size:11.5px;color:var(--c-ink-3);text-align:center;margin:12px 0 0}
.login-tip b{color:var(--c-primary)}

@media (max-width:900px){
  .stat-grid{grid-template-columns:1fr 1fr}
  .two-col{grid-template-columns:1fr}
  .side{width:64px;flex:0 0 64px}
  .side-logo div,.side-nav a{padding-left:0;text-align:center;font-size:0}
  .side-nav a::first-letter{font-size:14px}
  .side-logo b,.side-logo i{display:none}
}