/* 星辰视界 CMS 后台样式 */
:root{
  --bg:#0a0e27; --bg2:#111327; --card:#1a1f3a; --line:rgba(79,140,255,.2);
  --accent:#4f8cff; --accent2:#00d4ff; --txt:#fff; --txt2:#8b9dc3; --muted:#5a6a8a;
  --grad:linear-gradient(135deg,#4f8cff 0%,#00d4ff 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
body.admin{font-family:'Noto Sans SC',-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--txt);line-height:1.6}
a{color:inherit;text-decoration:none}
.admin-shell{display:flex;min-height:100vh}
.admin-side{width:230px;flex-shrink:0;background:var(--bg2);border-right:1px solid var(--line);padding:22px 14px;position:fixed;top:0;bottom:0;overflow-y:auto}
.admin-logo{font-size:18px;font-weight:700;letter-spacing:1px;padding:8px 12px 22px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.admin-side nav a{display:block;padding:11px 14px;border-radius:9px;color:var(--txt2);font-size:14.5px;margin-bottom:4px;transition:.2s}
.admin-side nav a:hover{background:rgba(79,140,255,.12);color:var(--txt)}
.admin-side nav a.active{background:var(--grad);color:#fff;font-weight:600}
.admin-main{margin-left:230px;flex:1;display:flex;flex-direction:column;min-width:0}
.admin-top{height:60px;display:flex;align-items:center;justify-content:flex-end;gap:18px;padding:0 28px;border-bottom:1px solid var(--line);background:rgba(17,19,39,.7);position:sticky;top:0;z-index:5}
.admin-top a{color:var(--txt2);font-size:14px}
.admin-top a:hover{color:var(--accent2)}
.admin-content{padding:28px;flex:1}
.page-title{font-size:24px;font-weight:700;margin-bottom:6px}
.page-sub{color:var(--txt2);font-size:14px;margin-bottom:22px}

.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:9px;font-size:14px;font-weight:600;border:none;cursor:pointer;transition:.2s;font-family:inherit}
.btn-primary{background:var(--grad);color:#fff}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(79,140,255,.4)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--txt)}
.btn-ghost:hover{background:rgba(79,140,255,.1)}
.btn-danger{background:#e23a5e;color:#fff}
.btn-danger:hover{opacity:.9}
.btn-sm{padding:6px 12px;font-size:13px}
.mt{margin-top:16px}.mb{margin-bottom:16px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.right{margin-left:auto}

.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.grid-stat{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:24px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.stat b{display:block;font-size:30px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{color:var(--txt2);font-size:13px}

table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
th{background:rgba(79,140,255,.08);color:var(--txt2);font-weight:600;font-size:13px}
tr:last-child td{border-bottom:none}
td .thumb{width:64px;height:44px;object-fit:cover;border-radius:6px}
.tag{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;background:rgba(79,140,255,.12);color:var(--accent2)}
.tag.gray{background:rgba(139,157,195,.15);color:var(--txt2)}
.tag.warn{background:rgba(255,107,157,.15);color:#ff6b9d}

.form-wrap{max-width:820px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:var(--txt2);margin-bottom:7px}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;background:var(--bg2);border:1px solid var(--line);border-radius:9px;color:var(--txt);font-size:14.5px;font-family:inherit}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,140,255,.15)}
.field .hint{font-size:12px;color:var(--muted);margin-top:6px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pills{display:flex;gap:8px;flex-wrap:wrap}
.alert{background:rgba(0,212,255,.1);border:1px solid var(--line);color:var(--accent2);padding:12px 16px;border-radius:9px;margin-bottom:18px;font-size:14px}

.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}
.media-item{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.media-item img{width:100%;height:130px;object-fit:cover}
.media-item .meta{padding:10px 12px;font-size:12px;color:var(--txt2);word-break:break-all}
.drop{border:2px dashed var(--line);border-radius:14px;padding:32px;text-align:center;color:var(--txt2);margin-bottom:22px}
.drop input{margin-top:12px}
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-box{width:360px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:34px}
.login-box h2{font-size:22px;margin-bottom:6px}
.login-box p{color:var(--txt2);font-size:13px;margin-bottom:22px}
.login-box .field input{padding:13px 14px}
.error{color:#ff6b9d;font-size:13px;margin-bottom:14px}
@media(max-width:1000px){.grid-stat{grid-template-columns:repeat(2,1fr)}.field-row{grid-template-columns:1fr}.admin-side{width:180px}.admin-main{margin-left:180px}}