/* ═══════════ 唐人城后台 · 样式（与主站同格调：深蓝 + 金） ═══════════ */
:root{
  --navy:#0D1B2A;
  --navy-2:#12263F;
  --panel:rgba(15,23,42,.85);
  --blue:#0057B7;
  --blue-bright:#60a5fa;
  --gold:#F5C518;
  --gold-2:#FFD700;
  --text:#E8EAED;
  --muted:#94A3B8;
  --line:rgba(255,255,255,.09);
  --radius:16px;
  --danger:#F87171;
  --ok:#4ade80;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  font-family:'Inter','Noto Sans SC',-apple-system,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  background:var(--navy);color:var(--text);
  -webkit-font-smoothing:antialiased;line-height:1.6;
  background-image:
    radial-gradient(1100px 500px at 85% -10%,rgba(0,87,183,.28),transparent 60%),
    radial-gradient(800px 400px at -10% 110%,rgba(245,197,24,.10),transparent 60%);
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--text);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:10px 12px;outline:none;width:100%}
input:focus,select:focus,textarea:focus{border-color:rgba(245,197,24,.55);box-shadow:0 0 0 3px rgba(245,197,24,.12)}
input::placeholder,textarea::placeholder{color:#64748B}
select option{background:#12263F;color:var(--text)}
label{font-size:12px;color:var(--muted);display:block;margin-bottom:6px}
.ukraine-stripe{height:4px;background:linear-gradient(90deg,#005BBB 50%,#FFD500 50%)}

/* ── 布局 ── */
.shell{display:flex;min-height:100vh}
.sidebar{
  width:220px;flex-shrink:0;background:rgba(13,27,42,.92);border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.side-logo{display:flex;align-items:center;gap:10px;padding:18px 16px;border-bottom:1px solid var(--line)}
.logo-badge{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0057B7,#0D1B2A 60%);box-shadow:inset 0 0 0 1px rgba(255,215,0,.5);
  font-weight:900;font-size:18px;color:#fff;
}
.side-logo b{font-size:15px;color:#fff;font-weight:800;letter-spacing:.03em}
.side-logo small{display:block;font-size:10px;color:var(--muted);letter-spacing:.12em}
.side-nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:2px}
.side-link{
  display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;font-size:14px;color:#CBD5E1;
  transition:background .2s,color .2s;min-height:42px;
}
.side-link:hover{background:rgba(245,197,24,.08);color:var(--gold)}
.side-link.on{background:rgba(245,197,24,.13);color:var(--gold);font-weight:700}
.side-link .ico{width:18px;text-align:center;font-size:16px}
.side-user{padding:14px 16px;border-top:1px solid var(--line)}
.side-user b{display:block;font-size:13px;color:#fff}
.side-user span{font-size:11px;color:var(--muted)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 26px;
  background:rgba(13,27,42,.72);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;
}
.topbar h1{font-size:19px;font-weight:900;color:#fff}
.topbar .crumb{font-size:12px;color:var(--muted)}
.topbar .tb-right{display:flex;align-items:center;gap:12px}
.btn-logout{
  display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:0 14px;border-radius:10px;font-size:13px;font-weight:700;
  background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.3);color:var(--danger);
}
.btn-logout:hover{background:rgba(248,113,113,.2)}
.content{padding:26px;max-width:1400px;width:100%;margin:0 auto}

/* ── 登录页 ── */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{
  width:100%;max-width:400px;background:linear-gradient(180deg,#12263F,#0D1B2A);
  border:1px solid var(--line);border-radius:22px;padding:38px 32px;text-align:center;
  box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 1px rgba(245,197,24,.12);
}
.login-card .logo-badge{width:52px;height:52px;font-size:26px;border-radius:14px;margin:0 auto 14px}
.login-card h1{font-size:21px;font-weight:900;color:#fff;margin-bottom:4px}
.login-card .sub{font-size:13px;color:var(--muted);margin-bottom:26px}
.login-card label{text-align:left}
.login-card input{margin-bottom:14px;min-height:46px}
.btn-primary{
  width:100%;min-height:46px;border-radius:12px;font-size:15px;font-weight:800;color:#0D1B2A;
  background:linear-gradient(135deg,var(--gold),#E0A800);box-shadow:0 8px 24px rgba(245,197,24,.3);
  transition:transform .2s,box-shadow .2s;
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(245,197,24,.42)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}
.err-tip{text-align:left;font-size:13px;color:var(--danger);background:rgba(248,113,113,.1);border-radius:10px;padding:10px 14px;margin-bottom:12px;display:none}
.err-tip.show{display:block}

/* ── 卡片 / 统计 ── */
.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:24px}
.stat-card{
  padding:20px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);position:relative;overflow:hidden;
}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--gold),var(--blue))}
.stat-card b{display:block;font-size:30px;font-weight:900;color:var(--gold);letter-spacing:.02em}
.stat-card span{font-size:12px;color:var(--muted)}
.stat-card .s-ico{position:absolute;right:16px;top:16px;font-size:26px;opacity:.35}

/* ── 面板（列表区） ── */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:22px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:16px 20px;border-bottom:1px solid var(--line)}
.panel-head h2{font-size:16px;font-weight:800;color:#fff}
.panel-head .hint{font-size:12px;color:var(--muted)}
.filters{display:flex;flex-wrap:wrap;gap:10px;padding:14px 20px;border-bottom:1px solid var(--line)}
.filters input,.filters select{width:auto;min-width:140px}
.filters .kw{flex:1;min-width:180px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;padding:0 16px;border-radius:10px;
  font-size:13px;font-weight:800;transition:transform .15s,box-shadow .15s,background .15s;
}
.btn:hover{transform:translateY(-1px)}
.btn-gold{background:linear-gradient(135deg,var(--gold),#E0A800);color:#0D1B2A}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);color:#CBD5E1}
.btn-blue{background:linear-gradient(135deg,#0057B7,#1D6FEB);color:#fff}
.btn-danger{background:rgba(248,113,113,.12);border:1px solid rgba(248,113,113,.3);color:var(--danger)}
.btn-sm{min-height:32px;padding:0 12px;font-size:12px}

/* ── 表格 ── */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:12px 16px;color:var(--muted);font-size:12px;font-weight:700;border-bottom:1px solid var(--line);white-space:nowrap;background:rgba(255,255,255,.02)}
td{padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.05);vertical-align:middle}
tr:hover td{background:rgba(255,255,255,.03)}
td b{color:#fff}
.t-ellipsis{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:700;white-space:nowrap;
}
.tag-gold{background:rgba(245,197,24,.12);border:1px solid rgba(245,197,24,.35);color:var(--gold-2)}
.tag-blue{background:rgba(96,165,250,.1);border:1px solid rgba(96,165,250,.28);color:#93c5fd}
.tag-green{background:rgba(74,222,128,.1);border:1px solid rgba(74,222,128,.28);color:#86efac}
.tag-gray{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:var(--muted)}
.tag-red{background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.3);color:var(--danger)}
.td-actions{display:flex;gap:6px;white-space:nowrap}
.t-img{width:52px;height:52px;border-radius:10px;object-fit:cover;border:1px solid var(--line);display:block}

/* ── 分页 ── */
.pager{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;flex-wrap:wrap}
.pager .info{font-size:12px;color:var(--muted)}
.pager .pages{display:flex;gap:6px;flex-wrap:wrap}
.pg{
  min-width:32px;height:32px;padding:0 8px;border-radius:8px;font-size:13px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#CBD5E1;
}
.pg:hover{background:rgba(245,197,24,.1)}
.pg.on{background:linear-gradient(135deg,var(--gold),#E0A800);color:#0D1B2A;font-weight:800;border:none}

/* ── 弹窗 ── */
.modal-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.66);backdrop-filter:blur(4px);z-index:100;
  display:none;align-items:center;justify-content:center;padding:20px;
}
.modal-overlay.show{display:flex}
.modal-box{
  background:linear-gradient(180deg,#12263F,#0D1B2A);border:1px solid rgba(255,255,255,.12);
  border-radius:20px;padding:28px 26px;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;
  box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 1px rgba(245,197,24,.1);
}
.modal-box h3{font-size:18px;font-weight:900;color:#fff;margin-bottom:18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
.form-grid label{display:block}
.form-actions{display:flex;gap:10px;margin-top:20px;justify-content:flex-end}
.form-actions .btn{min-height:42px;padding:0 22px}
.toast{
  position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);z-index:200;
  background:#0f172a;border:1px solid rgba(245,197,24,.5);color:#fff;padding:12px 24px;border-radius:12px;
  font-size:14px;font-weight:600;box-shadow:0 20px 50px rgba(0,0,0,.6);opacity:0;pointer-events:none;transition:all .3s ease;
}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.empty{padding:50px 20px;text-align:center;color:var(--muted);font-size:14px}

/* ── 响应式 ── */
@media (max-width:960px){
  .sidebar{display:none}
  .main{width:100%}
  .content{padding:18px}
  .form-grid{grid-template-columns:1fr}
}