/* =========================================================================
   TG发卡网 后台 — 现代化主题
   配色：深蓝侧栏 + 金色强调 + 卡片式布局
   响应式：手机(<768px) / 平板(769-1024px) / 桌面(>1024px)
   ========================================================================= */
:root{
  --bg:#f0f2f7;
  --panel:#ffffff;
  --ink:#1f2937;
  --ink-soft:#4b5563;
  --muted:#9ca3af;
  --line:#e5e7eb;
  --line-soft:#f3f4f6;

  --accent:#f5b301;
  --accent-soft:#fef3c7;
  --accent-ink:#92400e;

  --primary:#4f6ef7;
  --primary-dark:#3b56d4;
  --primary-soft:#eef1ff;

  --ok:#16a34a;
  --ok-soft:#dcfce7;
  --ok-ink:#166534;

  --danger:#dc2626;
  --danger-soft:#fee2e2;
  --danger-ink:#991b1b;

  --warn:#d97706;
  --warn-soft:#fef3c7;
  --warn-ink:#92400e;

  --sidebar:#111827;
  --sidebar-2:#1f2937;
  --sidebar-fg:#d1d5db;
  --sidebar-hover:#374151;
  --sidebar-active:#4f6ef7;

  --radius:10px;
  --radius-sm:7px;
  --shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
  --shadow-md:0 4px 12px rgba(0,0,0,.08);
  --shadow-lg:0 10px 30px rgba(0,0,0,.12);
}

*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-text-size-adjust:100%}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.mono{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:12px;word-break:break-all}
.muted{color:var(--muted)}
.empty{text-align:center;color:var(--muted);padding:40px 20px}
.hint{padding:10px 14px;background:#f9fafb;border:1px solid var(--line);border-radius:var(--radius-sm);font-size:13px;color:var(--ink-soft);margin-bottom:14px}
.ok{background:var(--ok-soft);color:var(--ok-ink);border:1px solid #bbf7d0;padding:10px 14px;border-radius:var(--radius-sm);margin:0 0 14px;font-size:13px;display:flex;align-items:center;gap:8px}
.ok::before{content:'✓';font-weight:700}
.err{background:var(--danger-soft);color:var(--danger-ink);border:1px solid #fecaca;padding:10px 14px;border-radius:var(--radius-sm);margin:0 0 14px;font-size:13px;display:flex;align-items:center;gap:8px}
.err::before{content:'✕';font-weight:700}

/* ===== 顶部栏 ===== */
:root{--topbar-h:56px}
.app{display:block;min-height:100vh;padding-top:var(--topbar-h)}
.topbar{
  background:linear-gradient(135deg,#111827 0%,#1f2937 100%);
  color:#fff;
  padding:0 20px;
  height:var(--topbar-h);
  display:flex;align-items:center;gap:12px;
  position:fixed;top:0;left:0;right:0;z-index:100;
  box-shadow:0 2px 8px rgba(0,0,0,.15);
}
.menu-btn{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;
  line-height:1;cursor:pointer;padding:8px 10px;border-radius:var(--radius-sm);
  display:inline-flex;align-items:center;justify-content:center;
  -webkit-tap-highlight-color:transparent;flex-shrink:0;transition:background .15s;
}
.menu-btn:hover{background:rgba(255,255,255,.22)}
.menu-btn:active{transform:scale(.95)}
.menu-btn svg{display:block}
.topbar-title{font-size:16px;font-weight:700;letter-spacing:.3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:8px}
.topbar-title .logo{font-size:20px}
.menu-hint{color:#9ca3af;font-size:12px;margin-left:auto;white-space:nowrap}

/* ===== 侧边栏 ===== */
.sidebar{
  position:fixed;top:var(--topbar-h);left:0;bottom:0;width:240px;z-index:45;
  background:var(--sidebar);color:var(--sidebar-fg);
  padding:12px 0;overflow-y:auto;
  transform:translateX(-100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  box-shadow:4px 0 16px rgba(0,0,0,.15);
}
.sidebar.open{transform:translateX(0)}
.sidebar .brand{
  padding:0 20px 14px;font-weight:700;color:#fff;font-size:13px;
  border-bottom:1px solid #374151;margin-bottom:8px;display:flex;align-items:center;gap:8px;
}
.sidebar .brand .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}
.sidebar nav a{
  display:flex;align-items:center;gap:10px;padding:11px 20px;color:var(--sidebar-fg);
  text-decoration:none;font-size:14px;transition:all .15s;border-left:3px solid transparent;
}
.sidebar nav a svg{width:18px;height:18px;flex-shrink:0;opacity:.85}
.sidebar nav a:hover{background:var(--sidebar-hover);color:#fff;text-decoration:none}
.sidebar nav a.active{background:rgba(79,110,247,.15);color:#fff;border-left-color:var(--accent);font-weight:600}
.sidebar nav a.active svg{opacity:1}
.sidebar nav a.muted{margin-top:12px;color:#6b7280;border-top:1px solid #374151;padding-top:14px}
.sidebar nav a.muted:hover{color:#9ca3af}

/* 侧栏分组 */
.sidebar .nav-group{padding:0;margin:0}
.sidebar .nav-group > summary{
  padding:11px 20px;color:var(--sidebar-fg);font-size:14px;cursor:pointer;
  list-style:none;user-select:none;display:flex;align-items:center;gap:10px;
  transition:background .15s;border-left:3px solid transparent;
}
.sidebar .nav-group > summary::-webkit-details-marker{display:none}
.sidebar .nav-group > summary svg{width:18px;height:18px;opacity:.85}
.sidebar .nav-group > summary .chev{margin-left:auto;width:14px;height:14px;opacity:.5;transition:transform .2s}
.sidebar .nav-group[open] > summary .chev{transform:rotate(90deg)}
.sidebar .nav-group > summary:hover{background:var(--sidebar-hover);color:#fff}
.sidebar .nav-children{padding:0;background:#0f1623}
.sidebar .nav-children a{padding:9px 20px 9px 48px;font-size:13px;color:#9ca3af}
.sidebar .nav-children a:hover{background:var(--sidebar-hover);color:#fff}
.sidebar .nav-children a.active{color:#fff;border-left-color:var(--accent)}

/* ===== 遮罩 ===== */
.overlay{display:none;position:fixed;inset:var(--topbar-h) 0 0 0;background:rgba(0,0,0,.5);z-index:40;backdrop-filter:blur(2px)}
.overlay.show{display:block}

/* ===== 内容区 ===== */
.content{padding:24px 28px;overflow:auto;min-height:calc(100vh - var(--topbar-h))}
.content h1{margin:0 0 18px;font-size:22px;font-weight:700;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.content h1 small{font-size:13px;color:var(--muted);font-weight:normal}
.content h3{margin:20px 0 10px;font-size:15px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:8px}
.content h3 small{font-size:12px;color:var(--muted);font-weight:normal}

/* ===== 表单 ===== */
.form{background:var(--panel);padding:20px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);max-width:720px}
.form label{display:block;margin:12px 0;font-size:13px;color:var(--ink-soft);font-weight:500}
.form input,.form textarea,.form select{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-size:14px;font-family:inherit;background:#fff;transition:border-color .15s,box-shadow .15s;
}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,110,247,.12)}
.form textarea{min-height:90px;resize:vertical}
.form .row{display:flex;gap:14px}
.form .row label{flex:1;min-width:0;margin:12px 0}
.form button,.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border:none;
  padding:11px 24px;border-radius:var(--radius-sm);margin-top:16px;cursor:pointer;font-size:14px;
  font-weight:600;transition:all .15s;box-shadow:0 2px 6px rgba(79,110,247,.3);
}
.form button:hover,.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(79,110,247,.4);text-decoration:none}
.form button:active,.btn-primary:active{transform:translateY(0)}

/* ===== 按钮 ===== */
.btn-sm{padding:6px 12px;font-size:12px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-sm);cursor:pointer;margin-right:6px;transition:all .15s;font-weight:500}
.btn-sm:hover{background:var(--line-soft);border-color:#d1d5db}
.btn-danger{color:var(--danger);border-color:#fecaca}
.btn-danger:hover{background:var(--danger-soft);border-color:#fca5a5}
.btn-settle{color:var(--ok);border-color:#bbf7d0;background:var(--ok-soft)}
.btn-settle:hover{background:#dcfce7;border-color:#86efac}
.btn-link{color:var(--primary);background:none;border:none;cursor:pointer;font-size:13px;padding:4px 8px;font-weight:500}
.btn-link:hover{text-decoration:underline}
.btn-link.danger{color:var(--danger)}

/* ===== 表格 ===== */
.table-wrap{overflow-x:auto;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{background:#f9fafb;color:var(--ink-soft);font-weight:600;padding:12px 14px;text-align:left;border-bottom:2px solid var(--line);white-space:nowrap}
.table td{padding:11px 14px;border-bottom:1px solid var(--line-soft);vertical-align:middle}
.table tbody tr:hover{background:var(--line-soft)}
.table tbody tr:last-child td{border-bottom:none}
.table td.usdt{font-weight:700;color:var(--ok)}
.table td.threshold{font-weight:700;color:var(--warn)}
.table td.ratio{font-weight:700;color:var(--primary)}
.table td.addr code,.table td.mono{font-family:ui-monospace,monospace;font-size:12px;color:var(--ink-soft);word-break:break-all}

/* ===== 状态标签 ===== */
.status-tag{display:inline-block;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:500}
.status-on,.status-auth{background:var(--ok-soft);color:var(--ok-ink)}
.status-off,.status-wait{background:var(--warn-soft);color:var(--warn-ink)}
.chain-tag{display:inline-block;padding:3px 10px;background:var(--primary-soft);color:var(--primary-dark);border-radius:12px;font-size:12px;font-weight:500}

/* ===== 卡片/统计 ===== */
.grid,.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:16px}
.card,.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s}
.card:hover,.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.stat-card{text-align:center;position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.stat-card.stat-usdt::before{background:linear-gradient(90deg,var(--ok),#34d399)}
.stat-num{font-size:28px;font-weight:800;color:var(--ink);line-height:1.2}
.stat-card.stat-usdt .stat-num{color:var(--ok)}
.stat-lbl{font-size:13px;color:var(--muted);margin-top:6px}
.card .num{font-size:26px;font-weight:700}
.card .lbl{color:var(--muted);margin-top:4px}

/* ===== 钱包监控页 ===== */
.wallet-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:var(--shadow)}
.wallet-card h3{margin:0 0 14px;font-size:16px;border:none;padding:0;display:flex;align-items:center;gap:8px}
.wallet-card h3::before{content:'';width:4px;height:18px;background:var(--accent);border-radius:2px}
.wallet-row{display:flex;gap:16px;flex-wrap:wrap}
.wallet-stat{flex:1;min-width:160px;background:var(--line-soft);padding:14px;border-radius:var(--radius-sm)}
.wallet-stat .lbl{font-size:12px;color:var(--muted);margin-bottom:4px}
.wallet-stat .val{font-size:20px;font-weight:700}

/* ===== 锚点 ===== */
h3[id]{scroll-margin-top:70px}
.anchor-link{color:var(--muted);text-decoration:none;font-size:13px;margin-left:6px;opacity:.4}
.anchor-link:hover{opacity:1;color:var(--accent)}

/* ===== 登录页 ===== */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#0f172a 0%,#1e293b 50%,#334155 100%)}
.login{background:#fff;padding:32px 28px;border-radius:14px;box-shadow:0 25px 70px rgba(0,0,0,.4);width:360px;max-width:92vw;margin:0 12px}
.login h1{margin:0 0 24px;text-align:center;font-size:20px;font-weight:700;color:var(--ink)}
.login h1 .logo{font-size:32px;display:block;margin-bottom:6px}
.login label{display:block;margin:14px 0;font-size:13px;color:var(--ink-soft);font-weight:500}
.login input{width:100%;padding:12px;border:1px solid var(--line);border-radius:var(--radius-sm);font-size:15px;transition:border-color .15s,box-shadow .15s}
.login input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,110,247,.12)}
.login button{width:100%;padding:13px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border:none;border-radius:var(--radius-sm);margin-top:20px;cursor:pointer;font-size:15px;font-weight:600;transition:all .15s;box-shadow:0 4px 12px rgba(79,110,247,.3)}
.login button:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(79,110,247,.4)}

/* ===== AJAX 状态 ===== */
.ajax-loading{position:relative;min-height:120px;opacity:.55;pointer-events:none}
.ajax-loading::after{content:'加载中…';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:14px;color:var(--muted);background:var(--panel);padding:8px 18px;border-radius:var(--radius-sm);box-shadow:var(--shadow-md)}
.ajax-error{padding:20px;color:var(--danger-ink);background:var(--danger-soft);border:1px solid #fecaca;border-radius:var(--radius)}

/* =========================================================================
   笔记本/平板 (769px - 1024px)：侧栏常驻，宽度缩小
   ========================================================================= */
@media (min-width:769px) and (max-width:1024px){
  .sidebar{transform:translateX(0);width:200px}
  .content{margin-left:200px;padding:18px 16px}
  .grid,.stats-grid{grid-template-columns:repeat(2,1fr)}
  .menu-btn{display:none}
  .menu-hint{display:none}
  .overlay{display:none !important}
  .overlay.show{display:none !important}
}

/* =========================================================================
   桌面 (>1024px)：侧栏常驻
   ========================================================================= */
@media (min-width:1025px){
  .sidebar{transform:translateX(0)}
  .content{margin-left:240px}
  .menu-btn{display:none}
  .menu-hint{display:none}
  .overlay{display:none !important}
  .overlay.show{display:none !important}
  /* 桌面预览移动端 */
  html.mobile .sidebar{transform:translateX(-100%)}
  html.mobile .sidebar.open{transform:translateX(0)}
  html.mobile .content{margin-left:0}
  html.mobile .menu-btn{display:inline-flex}
}

/* =========================================================================
   手机 (<768px)
   ========================================================================= */
@media (max-width:768px){
  :root{--topbar-h:50px}
  .topbar{padding:0 14px;height:var(--topbar-h)}
  .topbar-title{font-size:15px}
  .menu-hint{display:none}

  .sidebar{width:220px}
  .content{padding:14px 12px}
  .content h1{font-size:18px;margin-bottom:14px}
  .content h1 small{display:block;margin-left:0;margin-top:2px}

  .form{padding:14px;max-width:none}
  .form .row{flex-direction:column;gap:0}
  .form .row label{margin:10px 0}
  .form input,.form textarea,.form select{font-size:16px}
  .form button{font-size:16px;width:100%}

  .grid,.stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat-num{font-size:22px}
  .stat-card,.card{padding:14px}

  .table-wrap{border-radius:var(--radius-sm)}
  .table th,.table td{padding:10px 12px}

  .wallet-stat{min-width:120px}

  .login-body .topbar{display:none}
  .login-body .sidebar{display:none}
  .login-body .overlay{display:none}
}

/* 超小屏 (<380px) */
@media (max-width:380px){
  .grid,.stats-grid{grid-template-columns:1fr}
  .topbar-title{font-size:14px}
}

/* JS 强制 mobile 模式 */
html.mobile{--topbar-h:50px}
html.mobile .topbar{padding:0 14px;height:var(--topbar-h)}
html.mobile .topbar-title{font-size:15px}
html.mobile .menu-hint{display:none}
html.mobile .sidebar{width:220px}
html.mobile .content{padding:14px 12px}
html.mobile .content h1{font-size:18px}
html.mobile .form{padding:14px;max-width:none}
html.mobile .form .row{flex-direction:column;gap:0}
html.mobile .form input,.form textarea,.form select{font-size:16px}
html.mobile .form button{font-size:16px;width:100%}
html.mobile .grid,.stats-grid{grid-template-columns:repeat(2,1fr)}
html.mobile .stat-num{font-size:22px}
html.mobile .login-body .topbar{display:none}
html.mobile .login-body .sidebar{display:none}
html.mobile .login-body .overlay{display:none}