*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;font-size:14px;color:#333;background:#f0f2f5}
a{text-decoration:none;color:inherit}
input,select,textarea{outline:none;border:1px solid #d9d9d9;border-radius:6px;padding:8px 12px;font-size:14px;width:100%;transition:border-color .2s}
input:focus,select:focus,textarea:focus{border-color:#1677ff;box-shadow:0 0 0 2px rgba(22,119,255,.1)}
button{cursor:pointer;border:none;border-radius:6px;font-size:14px;padding:8px 16px;transition:all .2s}
.btn-primary{background:#1677ff;color:#fff}.btn-primary:hover{background:#4096ff}
.btn-default{background:#fff;color:#333;border:1px solid #d9d9d9}.btn-default:hover{border-color:#1677ff;color:#1677ff}
.btn-danger{background:#ff4d4f;color:#fff}.btn-danger:hover{background:#ff7875}
.btn-success{background:#52c41a;color:#fff}.btn-success:hover{background:#73d13d}
.btn-block{width:100%;padding:10px}
.btn-sm{padding:4px 10px;font-size:12px}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1677ff 0%,#0050b3 100%)}
.login-box{background:#fff;border-radius:12px;padding:40px;width:380px;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:24px;justify-content:center}
.login-logo span{font-size:20px;font-weight:700;color:#1677ff}
.login-box h2{text-align:center;margin-bottom:24px;font-size:22px;color:#262626}
.login-box .form-group{margin-bottom:16px}
.login-tip{text-align:center;color:#999;font-size:12px;margin-top:12px}

/* Layout */
.admin-layout{display:flex;height:100vh;overflow:hidden}
.sidebar{width:220px;background:#001529;display:flex;flex-direction:column;flex-shrink:0}
.sidebar-logo{display:flex;align-items:center;gap:10px;padding:20px 16px;color:#fff;font-size:16px;font-weight:700;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-nav{flex:1;padding:8px 0;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:10px;padding:12px 20px;color:rgba(255,255,255,.65);transition:all .2s}
.nav-item:hover,.nav-item.active{color:#fff;background:rgba(255,255,255,.1)}
.nav-item.active{background:#1677ff!important}
.nav-item svg{width:18px;height:18px;flex-shrink:0}
.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.1)}
.admin-info{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.admin-info .avatar{width:36px;height:36px;border-radius:50%;background:#1677ff;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.admin-info .name{color:#fff;font-weight:500}
.admin-info .role{color:rgba(255,255,255,.5);font-size:12px}
.btn-logout{width:100%;background:rgba(255,255,255,.1);color:rgba(255,255,255,.65);border:1px solid rgba(255,255,255,.2)}
.btn-logout:hover{background:rgba(255,255,255,.2);color:#fff}

/* Main */
.main-content{flex:1;overflow-y:auto;padding:24px}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.page-header h1{font-size:20px;font-weight:600;color:#262626}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.stat-card{background:#fff;border-radius:10px;padding:20px;display:flex;align-items:center;gap:16px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.stat-icon{font-size:32px}
.stat-num{font-size:28px;font-weight:700;line-height:1}
.stat-label{font-size:13px;color:#8c8c8c;margin-top:4px}
.stat-card.blue .stat-num{color:#1677ff}
.stat-card.green .stat-num{color:#52c41a}
.stat-card.orange .stat-num{color:#fa8c16}
.stat-card.purple .stat-num{color:#722ed1}

/* Card */
.card{background:#fff;border-radius:10px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,.06);margin-bottom:20px}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.card-header h3{font-size:16px;font-weight:600}

/* Table */
.data-table{width:100%;border-collapse:collapse}
.data-table th{background:#fafafa;padding:10px 12px;text-align:left;font-weight:500;color:#595959;border-bottom:1px solid #f0f0f0}
.data-table td{padding:12px;border-bottom:1px solid #f5f5f5;vertical-align:middle}
.data-table tr:hover td{background:#fafafa}
.search-bar{display:flex;gap:10px;margin-bottom:16px}
.search-bar input{max-width:300px}

/* Badge */
.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px;font-weight:500}
.badge-success{background:#f6ffed;color:#52c41a;border:1px solid #b7eb8f}
.badge-danger{background:#fff2f0;color:#ff4d4f;border:1px solid #ffccc7}
.badge-warning{background:#fffbe6;color:#faad14;border:1px solid #ffe58f}
.badge-default{background:#f5f5f5;color:#8c8c8c;border:1px solid #d9d9d9}
.badge-blue{background:#e6f4ff;color:#1677ff;border:1px solid #91caff}

/* Form */
.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:6px;font-weight:500;color:#595959}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}
.modal-box{background:#fff;border-radius:10px;width:480px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #f0f0f0}
.modal-header h3{font-size:16px;font-weight:600}
.modal-header button{background:none;border:none;font-size:20px;color:#999;cursor:pointer;padding:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center}
.modal-header button:hover{color:#333}
.modal-body{padding:20px}
.modal-footer{padding:16px 20px;border-top:1px solid #f0f0f0;display:flex;justify-content:flex-end;gap:10px}

/* Pagination */
.pagination{display:flex;gap:6px;margin-top:16px;justify-content:flex-end}
.pagination button{min-width:32px;height:32px;padding:0 8px;border:1px solid #d9d9d9;background:#fff;border-radius:6px;font-size:13px}
.pagination button.active{background:#1677ff;color:#fff;border-color:#1677ff}
.pagination button:hover:not(.active){border-color:#1677ff;color:#1677ff}

/* Toast */
.toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{background:#fff;border-radius:8px;padding:12px 16px;box-shadow:0 4px 20px rgba(0,0,0,.15);display:flex;align-items:center;gap:10px;min-width:200px;animation:slideIn .3s ease}
.toast.success{border-left:4px solid #52c41a}
.toast.error{border-left:4px solid #ff4d4f}
.toast.info{border-left:4px solid #1677ff}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}.sidebar{display:none}}