/* AnkerYe-PayHub 运营后台 · 设计基准 v2 Rails（暗色×青色光轨，支持白天/黑夜） */
:root{
  --bg:#0B1220; --panel:#111A2C; --elevated:#16213A; --border:#1E2A44;
  --cyan:#22D3EE; --blue:#3B82F6; --green:#34D399; --amber:#F5A623; --red:#F87171;
  --text:#E6EDF7; --muted:#8CA0BF; --navbg:rgba(11,18,32,.9);
  --mono:ui-monospace,"SF Mono",Consolas,monospace; --sidebar-w:224px;
}
html[data-theme="light"]{
  --bg:#F3F6FB; --panel:#FFFFFF; --elevated:#E9EFF8; --border:#D8E1EE;
  --cyan:#0891B2; --blue:#2563EB; --green:#059669; --amber:#B45309; --red:#DC2626;
  --text:#14213A; --muted:#5A6B85; --navbg:rgba(243,246,251,.92);
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;
  transition:background-color .25s,color .25s;
}
.num,code{font-family:var(--mono);font-variant-numeric:tabular-nums}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}

/* 布局 */
.layout{display:flex;min-height:100vh}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.content{padding:22px 26px 40px;flex:1}

/* 侧边栏 */
.sidebar{
  width:var(--sidebar-w);flex:none;background:var(--panel);
  border-right:1px solid var(--border);display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.brand{
  display:flex;align-items:center;gap:10px;padding:18px 18px 16px;
  font-weight:700;font-size:15px;letter-spacing:-.02em;border-bottom:1px solid var(--border);
}
.brand b{color:var(--cyan)}
.brand-tag{
  margin-left:auto;font-family:var(--mono);font-size:10px;color:var(--muted);
  border:1px solid var(--border);border-radius:4px;padding:1px 6px;
}
.menu{padding:12px 10px;flex:1}
.menu-label{font-size:11px;color:var(--muted);letter-spacing:.1em;padding:10px 10px 6px}
.menu a,.menu .todo{
  display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:8px;
  color:var(--muted);font-size:13.5px;margin-bottom:2px;position:relative;
  border:1px solid transparent;transition:color .15s,background .15s;
}
.menu a:hover{color:var(--text);background:rgba(34,211,238,.05)}
html[data-theme="light"] .menu a:hover{background:rgba(8,145,178,.06)}
.menu a.active{color:var(--text);background:var(--elevated);border-color:var(--border)}
.menu a.active::before{
  content:"";position:absolute;left:-10px;top:9px;bottom:9px;width:3px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 8px rgba(34,211,238,.7);
}
html[data-theme="light"] .menu a.active::before{box-shadow:0 0 6px rgba(8,145,178,.45)}
.menu .todo{cursor:default;opacity:.45}
.menu .todo small{margin-left:auto;font-size:10px;font-family:var(--mono)}
.menu svg{flex:none;opacity:.85}
.sidebar-foot{padding:14px 18px;border-top:1px solid var(--border);font-size:11.5px;color:var(--muted)}

/* 顶栏 */
.topbar{
  height:56px;display:flex;align-items:center;gap:16px;padding:0 26px;
  border-bottom:1px solid var(--border);background:var(--navbg);
  position:sticky;top:0;z-index:40;
}
.menu-toggle{display:none;padding:6px 9px;border:1px solid var(--border);border-radius:8px}
.page-title{font-size:15px;font-weight:700;letter-spacing:-.01em}
.env-badge{
  display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11px;
  color:var(--green);border:1px solid rgba(52,211,153,.35);border-radius:999px;
  padding:3px 11px;background:rgba(52,211,153,.07);
}
html[data-theme="light"] .env-badge{border-color:rgba(5,150,105,.35);background:rgba(5,150,105,.08)}
.env-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green)}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.clock{font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.clock b{color:var(--text);font-weight:600}
.avatar{display:flex;align-items:center;gap:9px;font-size:13px}
.avatar-dot{
  width:28px;height:28px;border-radius:50%;background:var(--elevated);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--cyan);font-weight:700;
}
.logout-btn{
  font-size:12.5px;color:var(--muted);border:1px solid var(--border);border-radius:8px;
  padding:6px 12px;transition:all .15s;
}
.logout-btn:hover{color:var(--red);border-color:var(--red)}

/* 白天/黑夜开关 */
.theme-toggle{
  background:none;border:1px solid var(--border);border-radius:8px;width:34px;height:34px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;color:var(--muted);cursor:pointer;
  transition:color .15s,border-color .15s;
}
.theme-toggle:hover{color:var(--cyan);border-color:var(--cyan)}
.theme-toggle .icon-moon{display:none}
html[data-theme="light"] .theme-toggle .icon-sun{display:none}
html[data-theme="light"] .theme-toggle .icon-moon{display:block}
html[data-theme="light"] svg [stroke="#22D3EE"]{stroke:#0891B2}
html[data-theme="light"] svg [fill="#22D3EE"]{fill:#0891B2}

/* 卡片 */
.card{background:var(--panel);border:1px solid var(--border);border-radius:8px;margin-bottom:18px}
.card-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 18px;border-bottom:1px solid var(--border)}
.card-title{font-size:13.5px;font-weight:700;display:flex;align-items:center;gap:10px}
.card-title::before{
  content:"";width:16px;height:2.5px;border-radius:2px;flex:none;
  background:linear-gradient(90deg,var(--cyan),transparent);box-shadow:0 0 6px rgba(34,211,238,.5);
}
html[data-theme="light"] .card-title::before{box-shadow:none}
.card-extra{margin-left:auto;font-size:12px;color:var(--muted);font-family:var(--mono)}

/* 统计卡 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.stat{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px 18px;position:relative;overflow:hidden}
.stat::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),transparent 70%);opacity:.55;
}
.stat-label{font-size:12px;color:var(--muted);margin-bottom:8px}
.stat-value{
  font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:25px;font-weight:700;
  letter-spacing:-.02em;text-shadow:0 0 22px rgba(34,211,238,.22);
}
html[data-theme="light"] .stat-value{text-shadow:none}
.stat-value small{font-size:14px;color:var(--muted);font-weight:500;margin-left:3px}
.stat-sub{font-family:var(--mono);font-size:11.5px;margin-top:6px;color:var(--muted)}

/* 表格 */
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;table-layout:auto;white-space:nowrap}
th,td{padding:11px 18px;text-align:left;border-bottom:1px solid var(--border)}
th{font-size:11.5px;font-weight:600;color:var(--muted);letter-spacing:.06em;background:var(--elevated)}
td{font-size:13px}
tbody tr:last-child td{border-bottom:none}
tbody tr{transition:background .12s}
tbody tr:hover{background:rgba(34,211,238,.045)}
td.num,th.num-h{text-align:right}
.chan{color:var(--muted);font-size:12.5px}
.empty-row td{
  text-align:center;color:var(--muted);padding:46px 18px;font-size:13px;
}
.empty-row .num{color:var(--cyan)}

/* 状态标 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:2px 10px;border-radius:999px;border:1px solid}
.badge i{width:6px;height:6px;border-radius:50%;flex:none}
.b-ok{color:var(--green);border-color:rgba(52,211,153,.35);background:rgba(52,211,153,.07)}
.b-ok i{background:var(--green);box-shadow:0 0 5px var(--green)}
.b-wait{color:var(--amber);border-color:rgba(245,166,35,.35);background:rgba(245,166,35,.07)}
.b-wait i{background:var(--amber);box-shadow:0 0 5px var(--amber)}
.b-fail{color:var(--red);border-color:rgba(248,113,113,.35);background:rgba(248,113,113,.07)}
.b-fail i{background:var(--red);box-shadow:0 0 5px var(--red)}
.b-refund,.b-expire{color:var(--muted);border-color:var(--border);background:rgba(140,160,191,.06)}
.b-refund i,.b-expire i{background:var(--muted)}
html[data-theme="light"] .b-ok{border-color:rgba(5,150,105,.35);background:rgba(5,150,105,.08)}
html[data-theme="light"] .b-wait{border-color:rgba(180,83,9,.35);background:rgba(180,83,9,.08)}
html[data-theme="light"] .b-fail{border-color:rgba(220,38,38,.35);background:rgba(220,38,38,.08)}

/* 筛选条 */
.filters{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 18px;border-bottom:1px solid var(--border)}
.field{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted)}
.input,.select{
  background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);
  font:inherit;font-size:13px;padding:7px 11px;transition:border-color .15s;
}
.input:hover,.select:hover{border-color:rgba(34,211,238,.4)}
.input:focus,.select:focus{outline:2px solid var(--cyan);outline-offset:1px;border-color:var(--cyan)}
.btn{
  display:inline-flex;align-items:center;gap:7px;padding:7px 16px;border-radius:8px;
  font-size:13px;font-weight:600;border:1px solid var(--border);transition:all .15s;
}
.btn-primary{background:var(--cyan);color:#06222B;border-color:var(--cyan);box-shadow:0 0 14px rgba(34,211,238,.25)}
.btn-primary:hover{box-shadow:0 0 22px rgba(34,211,238,.42)}
html[data-theme="light"] .btn-primary{color:#fff;box-shadow:0 4px 14px rgba(8,145,178,.25)}
.btn-ghost{background:transparent;color:var(--muted)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}

.footer{padding:18px 26px;border-top:1px solid var(--border);font-size:12px;color:var(--muted);text-align:center}

/* flash 提示 */
.flash{border-radius:8px;padding:10px 16px;font-size:13px;margin-bottom:16px;border:1px solid}
.flash-ok{color:var(--green);border-color:rgba(52,211,153,.35);background:rgba(52,211,153,.07)}
.flash-err{color:var(--red);border-color:rgba(248,113,113,.35);background:rgba(248,113,113,.07)}
html[data-theme="light"] .flash-ok{border-color:rgba(5,150,105,.35);background:rgba(5,150,105,.08)}
html[data-theme="light"] .flash-err{border-color:rgba(220,38,38,.35);background:rgba(220,38,38,.08)}

/* 后台内联表单 */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;padding:16px 18px;border-bottom:1px solid var(--border);align-items:end}
.form-grid .fi label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.form-grid .fi .input,.form-grid .fi .select{width:100%}
.form-grid .fi-btn{display:flex;align-items:flex-end}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.btn-sm{padding:4px 11px;font-size:12px;border-radius:6px}
.btn-danger{color:var(--red)}
.btn-danger:hover{border-color:var(--red);color:var(--red)}
.inline-form{display:inline}
.key-once{
  font-family:var(--mono);font-size:14px;color:var(--cyan);
  background:var(--bg);border:1px dashed var(--cyan);border-radius:8px;
  padding:12px 16px;margin:8px 0;word-break:break-all;
}
.section-gap{margin-top:22px}

/* 仪表盘图表 */
.charts{display:grid;grid-template-columns:1.7fr 1fr;gap:14px;margin-bottom:18px}
.chart-svg{width:100%;height:auto;display:block}
.axis-txt{fill:var(--muted);font-size:10.5px;font-family:var(--mono)}
.grid-line{stroke:var(--border);stroke-width:1;stroke-dasharray:3 5}
.trend-line{fill:none;stroke:var(--cyan);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.trend-pt{fill:var(--bg);stroke:var(--cyan);stroke-width:1.6}
.bar-track{fill:var(--bg);stroke:var(--border);stroke-width:1}
.legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px;font-size:12px;color:var(--muted)}
.legend i{display:inline-block;width:9px;height:9px;border-radius:2.5px;margin-right:6px;vertical-align:-1px}
@media (max-width:1100px){.charts{grid-template-columns:1fr}}

/* 登录页 */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{
  width:100%;max-width:400px;background:var(--panel);border:1px solid var(--border);
  border-radius:12px;padding:36px 34px 30px;
}
.login-brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:18px;letter-spacing:-.02em;margin-bottom:6px}
.login-brand b{color:var(--cyan)}
.login-sub{font-family:var(--mono);font-size:11.5px;color:var(--muted);margin-bottom:26px}
.login-field{margin-bottom:16px}
.login-field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:7px}
.login-field .input{width:100%}
.login-error{
  display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--red);
  border:1px solid rgba(248,113,113,.35);background:rgba(248,113,113,.07);
  border-radius:8px;padding:9px 13px;margin-bottom:16px;
}
.login-btn{width:100%;justify-content:center;padding:10px 16px;font-size:14px}
.login-foot{margin-top:22px;text-align:center;font-size:11.5px;color:var(--muted);font-family:var(--mono)}
.login-topright{position:fixed;top:18px;right:20px}

/* 响应式 */
@media (max-width:1100px){.stats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:768px){
  .sidebar{
    position:fixed;left:0;top:0;bottom:0;z-index:60;height:100vh;
    transform:translateX(-100%);transition:transform .2s ease;box-shadow:0 0 40px rgba(0,0,0,.6);
  }
  body.nav-open .sidebar{transform:translateX(0)}
  .scrim{display:none;position:fixed;inset:0;background:rgba(4,8,16,.6);z-index:55}
  body.nav-open .scrim{display:block}
  .menu-toggle{display:block}
  .topbar{padding:0 14px;gap:10px}
  .content{padding:16px 14px 32px}
  .clock span.hide-m{display:none}
  .stats{grid-template-columns:1fr 1fr;gap:10px}
  .stat-value{font-size:21px}
  .env-badge{display:none}
  .avatar span.hide-m{display:none}
  .field{width:100%}
  .field .input,.field .select{flex:1;min-width:0}
}
@media (max-width:480px){.stats{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}