:root{
  --bg:#0f1117;--sidebar:#13151d;--surface:#1a1d27;--surface2:#22252f;--border:#2a2d3a;
  --text:#e4e7ee;--muted:#8b91a5;--dim:#5c6278;
  --blue:#4e8cff;--blue-dim:rgba(78,140,255,.12);
  --green:#34d399;--green-dim:rgba(52,211,153,.12);
  --red:#f87171;--red-dim:rgba(248,113,113,.12);
  --gold:#fbbf24;--gold-dim:rgba(251,191,36,.12);
  --purple:#a78bfa;
}
*{box-sizing:border-box}
.panel input:not([type=checkbox]):not([type=hidden]),.panel select,.panel textarea{background:var(--surface2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:9px 10px;font:inherit;min-width:0;max-width:100%}
.panel input:focus,.panel select:focus,.panel textarea:focus{outline:2px solid var(--blue)}
.panel textarea{width:100%;min-height:80px;resize:vertical}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;margin:0;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;display:flex;min-height:100vh}
a{color:var(--blue);text-decoration:none}

/* ——— login (full page, no sidebar) ——— */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f1117 0%,#1a1040 50%,#0f1117 100%);width:100%}
.login-card{width:380px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:40px 32px;box-shadow:0 24px 80px rgba(0,0,0,.5)}
.login-logo{text-align:center;margin-bottom:28px}
.login-logo .icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--purple));display:inline-flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:12px}
.login-logo h1{font-size:20px;margin:0;font-weight:700}
.login-logo p{font-size:12px;color:var(--muted);margin:4px 0 0}
.field{margin-bottom:16px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.field input{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:10px 14px;font-size:14px;color:var(--text);outline:none;transition:border-color .2s}
.field input:focus{border-color:var(--blue)}
.field input::placeholder{color:var(--dim)}
.login-btn{width:100%;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;border:0;border-radius:10px;padding:12px;font-size:15px;font-weight:600;cursor:pointer;margin-top:8px;transition:opacity .2s}
.login-btn:hover{opacity:.9}
.login-error{color:var(--red);font-size:13px;text-align:center;margin-bottom:12px}

/* ——— sidebar ——— */
.sidebar{width:220px;min-width:220px;background:var(--sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}
.sidebar-brand{padding:20px 18px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.sidebar-brand .dot{width:10px;height:10px;border-radius:50%;background:var(--blue);box-shadow:0 0 8px var(--blue)}
.sidebar-brand span{font-weight:700;font-size:15px}
.sidebar-nav{flex:1;padding:12px 10px;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:10px;font-size:14px;color:var(--muted);cursor:pointer;transition:all .15s;margin-bottom:4px;border:1px solid transparent}
.nav-item:hover{background:var(--surface2);color:var(--text)}
.nav-item.active{background:var(--blue-dim);color:var(--blue);border-color:rgba(78,140,255,.2)}
.nav-item .icon{font-size:18px;width:24px;text-align:center}
.nav-item .label{flex:1}
.nav-item .count{font-size:11px;background:var(--surface2);color:var(--muted);padding:1px 8px;border-radius:10px}
.sidebar-footer{padding:14px 18px;border-top:1px solid var(--border);font-size:12px;color:var(--dim);display:flex;align-items:center;justify-content:space-between}
.sidebar-footer a{color:var(--red);font-size:12px;cursor:pointer}

/* ——— main content ——— */
.main{margin-left:220px;flex:1;display:flex;flex-direction:column;min-height:100vh;min-width:0}
.topbar{position:sticky;top:0;z-index:50;background:rgba(15,17,23,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 28px;height:56px;display:flex;align-items:center;justify-content:space-between}
.topbar h1{font-size:17px;font-weight:600;margin:0}
.topbar .sub{font-size:12px;color:var(--muted)}
.content{flex:1;padding:24px 28px;max-width:1100px}

/* ——— stat cards ——— */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:20px;position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.stat-card.blue::before{background:linear-gradient(90deg,var(--blue),var(--purple))}
.stat-card.green::before{background:linear-gradient(90deg,var(--green),#2dd4bf)}
.stat-card.gold::before{background:linear-gradient(90deg,var(--gold),#f97316)}
.stat-label{font-size:12px;color:var(--muted);margin-bottom:8px}
.stat-value{font-size:28px;font-weight:700}
.stat-card.blue .stat-value{color:var(--blue)}
.stat-card.green .stat-value{color:var(--green)}
.stat-card.gold .stat-value{color:var(--gold)}

/* ——— panel ——— */
.panel{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden}
.panel-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.panel-head h2{font-size:15px;font-weight:600;margin:0}
.panel-head .count{font-size:12px;color:var(--muted);background:var(--surface2);padding:2px 10px;border-radius:20px}

/* ——— table ——— */
.tbl-wrap{overflow-x:auto}
.commerce-table{min-width:850px}.commerce-table td{max-width:300px;overflow-wrap:anywhere}.commerce-table td:last-child{min-width:220px}.commerce-table td:first-child{min-width:185px}
table{width:100%;border-collapse:collapse;font-size:13px}
th{padding:10px 14px;text-align:left;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);background:var(--surface2);white-space:nowrap}
td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
td input:not([type=hidden]):not([type=checkbox]),td select{background:var(--surface2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:5px}
td label{white-space:nowrap}
tr:last-child td{border-bottom:0}
tr:hover td{background:rgba(78,140,255,.03)}

/* ——— badges ——— */
.badge{display:inline-flex;align-items:center;gap:4px;border-radius:6px;padding:3px 10px;font-size:11px;font-weight:600}
.badge-vip{background:var(--gold-dim);color:var(--gold)}
.badge-normal{background:var(--blue-dim);color:var(--blue)}
.badge-ok{background:var(--green-dim);color:var(--green)}
.badge-ban{background:var(--red-dim);color:var(--red)}
.badge-black{background:rgba(92,98,120,.2);color:var(--dim)}
.badge-paid{background:var(--green-dim);color:var(--green)}
.badge-failed{background:var(--red-dim);color:var(--red)}
.badge-pending{background:var(--gold-dim);color:var(--gold)}

/* ——— buttons ——— */
.btn{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--border);border-radius:8px;padding:5px 12px;font-size:12px;font-weight:500;cursor:pointer;transition:all .15s;background:var(--surface2);color:var(--text)}
.btn:hover{border-color:var(--blue);color:var(--blue)}
.btn-primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn-primary:hover{background:#3b7de8;color:#fff}
.btn-danger{border-color:var(--red);color:var(--red);background:var(--red-dim)}
.btn-danger:hover{background:var(--red);color:#fff}
.btn-success{border-color:var(--green);color:var(--green);background:var(--green-dim)}
.btn-success:hover{background:var(--green);color:#fff}
.btn-sm{padding:3px 8px;font-size:11px}
.btn-group{display:flex;gap:6px;flex-wrap:wrap}

/* ——— form ——— */
.form-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:12px 20px;border-top:1px solid var(--border);background:var(--surface2)}
.form-row input,.form-row select{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:7px 12px;font-size:13px;color:var(--text);outline:none}
.form-row input:focus,.form-row select:focus{border-color:var(--blue)}
.form-row input::placeholder{color:var(--dim)}
.empty{text-align:center;padding:40px;color:var(--dim);font-size:13px}
.mono{font-family:"SF Mono","Cascadia Code",monospace;font-size:12px}
@media(max-width:760px){.sidebar{width:150px;min-width:150px}.main{margin-left:150px}.content{padding:14px}.topbar{padding:0 14px}.stats{grid-template-columns:1fr}.login-card{max-width:calc(100vw - 24px)}}
.ad-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:20px}
.ad-form label{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:12px;min-width:0}
.ad-form input,.ad-form select{background:var(--surface2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:9px;width:100%}
.ad-form .wide{grid-column:1/-1}.ad-form .ad-publish{flex-direction:row;align-items:center}.ad-publish input{width:auto}
.ad-help{padding:16px 20px;color:var(--muted);line-height:1.8}.ad-panel{margin-bottom:18px}
@media(max-width:760px){.ad-form{grid-template-columns:1fr}.ad-form .wide{grid-column:1}.main{min-width:0}.topbar .sub{display:none}}
@media(max-width:620px){body{display:block}.sidebar{position:static;width:100%;min-width:0;border-right:0}.sidebar-brand,.sidebar-footer{display:none}.sidebar-nav{display:flex;padding:8px;overflow-x:auto;gap:4px}.nav-item{padding:8px;white-space:nowrap;margin:0;flex-shrink:0}.nav-item .icon,.nav-item .count{display:none}.main{margin-left:0}.topbar{position:static}.content{width:100%;padding:14px}.panel-head{align-items:flex-start;gap:8px;flex-wrap:wrap}.panel-head>span{font-size:12px;color:var(--muted)}.stat-card{padding:14px}.stat-value{font-size:24px}}