/* 管理后台样式 */
*{box-sizing:border-box;}
[hidden]{display:none !important;}
body{margin:0;font-family:"microsoft yahei",arial,sans-serif;font-size:14px;color:#333;background:#f0f2f5;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:14px;}

/* ---------- 登录 ---------- */
.login-mask{position:fixed;inset:0;background:linear-gradient(135deg,#f2554e,#a83a35);display:flex;align-items:center;justify-content:center;z-index:50;}
.login-card{background:#fff;border-radius:12px;padding:34px 36px;width:340px;box-shadow:0 16px 48px rgba(0,0,0,.25);}
.login-card h1{margin:0 0 4px;font-size:22px;color:#333;text-align:center;}
.login-card .tip{margin:0 0 20px;text-align:center;color:#999;font-size:12px;}
.login-card label{display:block;margin-bottom:14px;color:#666;font-size:13px;}
.login-card input{width:100%;margin-top:6px;padding:10px 12px;border:1px solid #ddd;border-radius:8px;outline:none;}
.login-card input:focus{border-color:#e9504a;}
.login-card button{width:100%;padding:11px;border:0;border-radius:8px;background:#e9504a;color:#fff;font-size:15px;cursor:pointer;margin-top:6px;}
.login-card button:hover{background:#d8433e;}
.login-card .err{color:#e9504a;font-size:12px;margin-bottom:10px;}

/* ---------- 布局 ---------- */
.app{display:flex;min-height:100vh;}
.side{width:200px;background:#2f3542;color:#cfd4dc;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;}
.side .brand{padding:20px 16px;font-size:16px;font-weight:bold;color:#fff;border-bottom:1px solid #3d4454;}
.side nav{flex:1;padding:10px 0;}
.side nav a{display:block;padding:12px 18px;color:#cfd4dc;cursor:pointer;font-size:14px;border-left:3px solid transparent;}
.side nav a:hover{background:#3a4150;}
.side nav a.on{background:#3a4150;color:#fff;border-left-color:#e9504a;}
.side-foot{padding:14px 16px;border-top:1px solid #3d4454;font-size:12px;}
.side-foot span{display:block;margin-bottom:8px;color:#9aa2b1;}
.side-foot button{width:100%;padding:8px;border:0;border-radius:6px;background:#e9504a;color:#fff;cursor:pointer;font-size:13px;}
.main{flex:1;margin-left:200px;padding:20px 24px;}

/* ---------- 通用组件 ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-bottom:20px;}
.card{background:#fff;border-radius:10px;padding:18px;box-shadow:0 1px 3px rgba(0,0,0,.06);}
.card b{display:block;font-size:26px;color:#e9504a;margin-top:6px;}
.card i{font-style:normal;color:#999;font-size:13px;}

.panel{background:#fff;border-radius:10px;padding:18px;box-shadow:0 1px 3px rgba(0,0,0,.06);margin-bottom:18px;}
.panel h3{margin:0 0 14px;font-size:15px;border-left:4px solid #e9504a;padding-left:10px;}

.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px;}
.btn{border:0;border-radius:6px;padding:8px 16px;cursor:pointer;background:#e9504a;color:#fff;font-size:13px;}
.btn:hover{background:#d8433e;}
.btn.gray{background:#909399;}
.btn.gray:hover{background:#7d8085;}
.btn.mini{padding:4px 10px;font-size:12px;}

table.tb{width:100%;border-collapse:collapse;background:#fff;}
.tb th,.tb td{padding:10px 8px;border-bottom:1px solid #f0f0f0;text-align:left;font-size:13px;vertical-align:middle;}
.tb th{background:#fafafa;color:#666;font-weight:normal;white-space:nowrap;}
.tb td .u{max-width:340px;display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:middle;color:#2f6bd8;}
.tb .ops{white-space:nowrap;}
.tb .ops a{color:#2f6bd8;cursor:pointer;margin-right:8px;}
.tb .ops a.del{color:#e9504a;}
.tag{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px;}
.tag.on{background:#e8f7ee;color:#2ba471;}
.tag.off{background:#fdecec;color:#e9504a;}
.tag.bot{background:#eef4ff;color:#3a6fd8;}

.pagebar{margin-top:14px;display:flex;align-items:center;gap:12px;color:#666;font-size:13px;}
.pagebar button{padding:5px 12px;}

.form{display:flex;flex-direction:column;gap:12px;}
.form label{color:#666;font-size:13px;display:block;}
.form input[type=text],.form input[type=password],.form select,.form textarea{width:100%;margin-top:5px;padding:9px 10px;border:1px solid #ddd;border-radius:6px;outline:none;}
.form input:focus,.form textarea:focus{border-color:#e9504a;}
.form .row{display:flex;gap:12px;}
.form .row>label{flex:1;}
.form .chk{display:flex;align-items:center;gap:6px;color:#333;}
.form .chk input{margin-top:0;width:auto;}

.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:60;}
.modal{background:#fff;border-radius:10px;padding:22px;width:440px;max-width:92vw;max-height:88vh;overflow:auto;box-shadow:0 12px 40px rgba(0,0,0,.25);}
.modal h3{margin:0 0 16px;font-size:16px;}
.modal .acts{display:flex;gap:10px;justify-content:flex-end;margin-top:18px;}

.toast{position:fixed;top:24px;left:50%;transform:translateX(-50%);z-index:99;
  background:#333;color:#fff;padding:10px 20px;border-radius:8px;font-size:13px;box-shadow:0 6px 20px rgba(0,0,0,.3);}
.toast.err{background:#e9504a;}

.hint{background:#fff8e6;border:1px solid #ffe7a3;color:#8a6d1a;border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:14px;}

@media (max-width:768px){
  .side{width:64px;}
  .side .brand{font-size:12px;padding:14px 6px;}
  .side nav a{font-size:12px;padding:12px 8px;}
  .side-foot span{display:none;}
  .main{margin-left:64px;padding:12px;}
}