*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'PingFang SC','Microsoft YaHei',sans-serif;background:#f4f7f6;color:#16241d;}
code{background:#e8efeb;padding:1px 6px;border-radius:5px;font-size:12px;color:#1B6B4C;}
.hidden{display:none!important;}

/* LOGIN */
.login{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(120% 120% at 80% 10%,#134034,#061C14);}
.login .card{background:#fff;border-radius:18px;padding:38px 34px;width:340px;box-shadow:0 30px 70px -30px rgba(0,0,0,.5);}
.login .lg-logo{font-size:22px;font-weight:700;color:#1B6B4C;text-align:center;margin-bottom:6px;}
.login h2{text-align:center;font-size:18px;color:#0A2A1F;margin-bottom:22px;}
.login input{width:100%;padding:12px 14px;border:1px solid #d8e3de;border-radius:10px;font-size:15px;margin-bottom:14px;outline:none;}
.login input:focus{border-color:#3FBF85;}
.login button{width:100%;padding:12px;border:none;border-radius:10px;background:#1B6B4C;color:#fff;font-size:15px;cursor:pointer;transition:.2s;}
.login button:hover{background:#155439;}
.login .err{color:#c0392b;font-size:13px;min-height:18px;margin-bottom:8px;text-align:center;}
.login .hint{font-size:12px;color:#7a8a82;margin-top:14px;line-height:1.6;}

/* ADMIN LAYOUT */
.admin{display:flex;min-height:100vh;}
.side{width:210px;background:#0A2A1F;color:#cfe6da;display:flex;flex-direction:column;padding:22px 16px;position:fixed;height:100vh;}
.side .logo{font-size:18px;font-weight:700;color:#fff;margin-bottom:26px;padding-left:6px;}
.side nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.side nav button{background:none;border:none;color:#bcd4c9;text-align:left;padding:11px 14px;border-radius:9px;font-size:14.5px;cursor:pointer;transition:.2s;}
.side nav button:hover{background:rgba(63,191,133,.12);color:#fff;}
.side nav button.active{background:#1B6B4C;color:#fff;}
.side-foot{display:flex;flex-direction:column;gap:10px;margin-top:16px;}
.side-foot .primary{background:#3FBF85;color:#06281c;border:none;padding:11px;border-radius:9px;font-size:14.5px;font-weight:600;cursor:pointer;}
.side-foot .primary:hover{background:#34a874;}
.side-foot a{color:#9fc4b3;text-align:center;font-size:13px;text-decoration:none;}

.main{margin-left:210px;flex:1;padding:30px 38px 60px;max-width:960px;}
.tab h3{font-size:17px;color:#0A2A1F;margin-bottom:6px;}
.tab .sec-tip{font-size:13px;color:#7a8a82;margin-bottom:18px;}

/* FORM */
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:#3a4a43;margin-bottom:6px;font-weight:500;}
.field input[type=text],.field input[type=number],.field textarea{
  width:100%;padding:10px 12px;border:1px solid #d8e3de;border-radius:9px;font-size:14px;outline:none;font-family:inherit;
}
.field input:focus,.field textarea:focus{border-color:#3FBF85;}
.field textarea{resize:vertical;min-height:64px;}
.field-row{display:flex;gap:14px;}
.field-row .field{flex:1;}
.span-note{font-size:12px;color:#9aa8a1;margin-left:6px;}

/* CARD LIST */
.item{border:1px solid #e0e9e4;border-radius:12px;padding:16px;margin-bottom:14px;background:#fff;position:relative;}
.item .del{position:absolute;top:12px;right:12px;background:#fdecea;color:#c0392b;border:none;padding:5px 10px;border-radius:7px;font-size:12px;cursor:pointer;}
.item .del:hover{background:#f9d4cf;}
.item .row{display:flex;gap:14px;flex-wrap:wrap;}
.item .row .field{flex:1;min-width:180px;}
.add-btn{background:#eaf4ef;color:#1B6B4C;border:1px dashed #9fd3bb;padding:10px 16px;border-radius:9px;font-size:14px;cursor:pointer;width:100%;}
.add-btn:hover{background:#dcefe4;}

/* IMAGE UPLOAD */
.img-up{display:flex;align-items:center;gap:14px;}
.img-up img{width:84px;height:84px;object-fit:cover;border-radius:10px;border:1px solid #e0e9e4;background:#f3f8f5;}
.img-up .ph{width:84px;height:84px;border-radius:10px;border:1px dashed #c3d6cd;display:flex;align-items:center;justify-content:center;color:#9aa8a1;font-size:12px;text-align:center;}
.img-up input[type=file]{font-size:12px;max-width:220px;}
.img-list{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:12px;}
.img-item{position:relative;width:96px;height:96px;}
.img-item img{width:96px;height:96px;object-fit:cover;border-radius:10px;border:1px solid #e0e9e4;background:#f3f8f5;}
.img-item .del-img{position:absolute;top:-7px;right:-7px;width:22px;height:22px;border-radius:50%;border:none;background:#e5484d;color:#fff;font-size:14px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;}
.vid-preview{display:inline-flex;align-items:center;gap:8px;margin-bottom:8px;padding:6px 12px;background:#eef5f1;border-radius:10px;}
.vid-preview .del-img{position:relative;top:auto;right:auto;width:20px;height:20px;}

.sub-sec{margin-top:26px;border-top:1px dashed #d8e3de;padding-top:18px;}
.sub-sec h4{font-size:14px;color:#1B6B4C;margin-bottom:12px;}
.save-msg{margin-top:18px;font-size:14px;color:#1B6B4C;min-height:20px;font-weight:500;}