/* 支付网关系统 - 公共样式（简洁清新风格） */
:root{
  --primary:#2bb3a3;        /* 薄荷青绿主色 */
  --primary-dark:#1f9488;
  --primary-soft:#e9f7f5;
  --text:#2c3338;
  --text-2:#6b747c;
  --text-3:#a3acb3;
  --line:#eef1f3;
  --bg:#f6f8f9;
  --danger:#ef6b5b;
  --success:#2bb3a3;
  --warning:#e0a93b;
  --radius:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}

/* ========== 认证页面 ========== */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px}
.auth-card{background:#fff;border-radius:16px;border:1px solid var(--line);box-shadow:0 8px 30px rgba(0,0,0,.06);width:100%;max-width:420px;padding:40px}
.auth-logo{text-align:center;margin-bottom:28px}
.auth-logo h1{font-size:22px;color:var(--text);margin-top:4px;font-weight:600}
.auth-logo .logo-icon{display:none}
.auth-tabs{display:flex;gap:0;margin-bottom:28px;border-bottom:1px solid var(--line)}
.auth-tab{flex:1;text-align:center;padding:11px;cursor:pointer;font-size:15px;color:var(--text-3);border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .2s}
.auth-tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}

/* ========== 表单组件 ========== */
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px;font-weight:500}
.form-group .input-wrap{position:relative;display:flex;align-items:center}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:8px;font-size:14px;transition:border .2s;outline:none;background:#fff}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.form-group .input-icon{display:none}
.form-group input.has-icon{padding-left:14px}
.captcha-row{display:flex;gap:10px}
.captcha-row input{flex:1}
.captcha-img{height:42px;border-radius:8px;cursor:pointer;border:1px solid var(--line)}
.code-row{display:flex;gap:10px}
.code-row input{flex:1}
.btn-send-code{white-space:nowrap;padding:11px 16px;background:var(--bg);border:1px solid var(--line);border-radius:8px;font-size:13px;cursor:pointer;transition:all .2s;color:var(--text-2)}
.btn-send-code:hover:not(:disabled){background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-send-code:disabled{opacity:.6;cursor:not-allowed}

/* ========== 按钮 ========== */
.btn{padding:11px 22px;border:none;border-radius:8px;font-size:14px;cursor:pointer;font-weight:500;transition:all .15s;display:inline-flex;align-items:center;gap:6px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-danger{background:var(--danger);color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-secondary{background:#eef1f3;color:var(--text-2)}
.btn-sm{padding:6px 14px;font-size:13px}
.btn-block{width:100%;justify-content:center}

/* ========== 警告框 ========== */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}
.alert-danger{background:#fdeceb;border:1px solid #f7d4d0;color:#b5392c}
.alert-success{background:var(--primary-soft);border:1px solid #c7ebe6;color:var(--primary-dark)}
.alert-info{background:#eaf1fb;border:1px solid #d4e3f7;color:#3a6ea5}
.alert-warning{background:#fdf6e7;border:1px solid #f3e3bf;color:#9a7424}

/* ========== 后台布局 ========== */
.admin-layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:#fff;color:var(--text-2);flex-shrink:0;display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100;border-right:1px solid var(--line);transition:width .2s}
.sidebar-logo{padding:22px 20px;border-bottom:1px solid var(--line);text-align:center}
.sidebar-logo h2{font-size:16px;color:var(--text);margin-top:0;font-weight:600}
.sidebar-logo .s-icon{display:none}
.sidebar-nav{flex:1;overflow-y:auto;padding:10px 0}
.nav-group-title{font-size:11px;color:var(--text-3);text-transform:uppercase;letter-spacing:1px;padding:16px 22px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:11px 22px;color:var(--text-2);text-decoration:none;font-size:14px;transition:all .15s;cursor:pointer;border-left:3px solid transparent}
.nav-item:hover{color:var(--primary-dark);background:var(--primary-soft)}
.nav-item.active{color:var(--primary-dark);background:var(--primary-soft);border-left-color:var(--primary);font-weight:500}
.nav-item .nav-icon{display:none}
.sidebar-footer{padding:14px 22px;border-top:1px solid var(--line)}
.main-content{flex:1;margin-left:230px;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}
.topbar-left{font-size:17px;font-weight:600;color:var(--text)}
.topbar-right{display:flex;align-items:center;gap:16px}
.page-body{padding:24px;flex:1}

/* ========== 卡片 ========== */
.card{background:#fff;border-radius:var(--radius);border:1px solid var(--line);padding:24px;margin-bottom:20px}
.card-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:20px}
.stat-card{background:#fff;border-radius:var(--radius);padding:20px 22px;border:1px solid var(--line);border-left:3px solid var(--primary);display:flex;align-items:center;gap:16px}
.stat-icon{display:none}
.stat-info .value{font-size:26px;font-weight:700;color:var(--text)}
.stat-info .label{font-size:13px;color:var(--text-3);margin-top:3px}

/* ========== 表格 ========== */
.table-wrap{overflow-x:auto}
table.data-table{width:100%;border-collapse:collapse;font-size:14px}
.data-table th{background:var(--bg);padding:12px 14px;text-align:left;color:var(--text-2);font-weight:600;border-bottom:1px solid var(--line);white-space:nowrap}
.data-table td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--text);vertical-align:middle}
.data-table tr:hover td{background:var(--bg)}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500}
.badge-success{background:var(--primary-soft);color:var(--primary-dark)}
.badge-danger{background:#fdeceb;color:#b5392c}
.badge-warning{background:#fdf6e7;color:#9a7424}
.badge-info{background:#eaf1fb;color:#3a6ea5}
.badge-secondary{background:#eef1f3;color:var(--text-2)}

/* ========== 分页 ========== */
.pagination{display:flex;gap:6px;margin-top:18px;flex-wrap:wrap}
.pagination a,.pagination span{padding:6px 12px;border-radius:6px;border:1px solid var(--line);font-size:13px;color:var(--text-2);text-decoration:none;transition:all .15s}
.pagination a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination span.current{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ========== 工具栏 ========== */
.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.toolbar .search-input{padding:9px 14px;border:1px solid var(--line);border-radius:8px;font-size:14px;outline:none;width:220px}
.toolbar .search-input:focus{border-color:var(--primary)}

/* ========== 模态框 ========== */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1000;align-items:center;justify-content:center}
.modal-overlay.show{display:flex}
.modal-box{background:#fff;border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.18);width:90%;max-width:520px;max-height:90vh;overflow-y:auto}
.modal-header{padding:18px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.modal-header h3{font-size:16px;font-weight:600}
.modal-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--text-3)}
.modal-body{padding:24px}
.modal-footer{padding:14px 24px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}

/* ========== 响应式 ========== */
@media(max-width:768px){
  .sidebar{width:180px}
  .main-content{margin-left:180px}
  .form-row{grid-template-columns:1fr}
  .stat-cards{grid-template-columns:1fr 1fr}
}