/* 后台管理样式 */
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#f4f6f9;color:#1f2937;font-size:14.5px;line-height:1.6}
a{color:#0B3C6B;text-decoration:none}
a:hover{color:#FF7A18}
h1,h2,h3,h4{margin:0 0 .5em;color:#0A2540;font-weight:600}

/* Layout */
.admin-wrap{display:flex;min-height:100vh}
.admin-side{width:232px;background:#0A2540;color:#c8d6e5;flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.admin-brand{padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}
.admin-brand .logo-mark{width:38px;height:38px;border-radius:9px;background:linear-gradient(135deg,#FF7A18,#ff9a4d);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.admin-brand b{color:#fff;font-size:15px;display:block;line-height:1.3}
.admin-brand small{color:#7d94ad;font-size:11.5px}
.admin-nav{padding:12px 0;flex:1}
.admin-nav .nav-label{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:#647f9c;padding:12px 20px 6px}
.admin-nav a{display:flex;align-items:center;gap:10px;padding:10px 20px;color:#c8d6e5;font-size:14.5px;border-left:3px solid transparent}
.admin-nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.admin-nav a.active{background:rgba(255,122,24,.12);color:#fff;border-left-color:#FF7A18;font-weight:600}
.admin-nav a .ico{width:18px;text-align:center}
.admin-nav .badge{margin-left:auto;background:#FF7A18;color:#fff;border-radius:10px;padding:1px 7px;font-size:11px;font-weight:700}
.admin-side-foot{padding:14px 20px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;color:#7d94ad}
.admin-side-foot a{color:#a9bccf;display:inline-block;margin-right:10px}

.admin-main{flex:1;min-width:0;display:flex;flex-direction:column}
.admin-top{background:#fff;border-bottom:1px solid #e5e9ef;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;position:sticky;top:0;z-index:20}
.admin-top h1{font-size:19px;margin:0}
.admin-top .user{display:flex;align-items:center;gap:12px;font-size:13.5px;color:#6b7280}
.admin-content{padding:24px 28px 60px;flex:1}

/* Cards */
.card{background:#fff;border:1px solid #e5e9ef;border-radius:10px;padding:22px;margin-bottom:20px}
.card > h3:first-child{margin-top:0;font-size:16px;padding-bottom:12px;border-bottom:1px solid #eef1f5;margin-bottom:18px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid #eef1f5;flex-wrap:wrap}
.card-head h3{margin:0;font-size:16px}

.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:20px}
.stat-box{background:#fff;border:1px solid #e5e9ef;border-radius:10px;padding:18px 20px}
.stat-box b{display:block;font-size:26px;color:#0B3C6B;line-height:1.2;font-weight:700}
.stat-box span{color:#6b7280;font-size:13px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;border:1px solid #d7dde5;background:#fff;color:#1f2937;font-size:14px;cursor:pointer;font-family:inherit;font-weight:500;transition:all .18s}
.btn:hover{border-color:#0B3C6B;color:#0B3C6B}
.btn-primary{background:#0B3C6B;border-color:#0B3C6B;color:#fff}
.btn-primary:hover{background:#082c50;color:#fff}
.btn-accent{background:#FF7A18;border-color:#FF7A18;color:#fff}
.btn-accent:hover{background:#e5680d;color:#fff;border-color:#e5680d}
.btn-danger{background:#fff;border-color:#f3c2c2;color:#c0392b}
.btn-danger:hover{background:#fdf0ef;border-color:#c0392b;color:#c0392b}
.btn-sm{padding:5px 11px;font-size:13px}
.btn-block{width:100%;justify-content:center}

/* Forms */
.form-group{margin-bottom:16px}
.form-group > label{display:block;font-weight:600;font-size:13.5px;color:#0A2540;margin-bottom:6px}
.form-group > label .hint{font-weight:400;color:#9aa4b2;font-size:12.5px;margin-left:6px}
.form-control{width:100%;padding:9px 12px;border:1px solid #d7dde5;border-radius:6px;font-size:14px;font-family:inherit;background:#fff;color:#1f2937}
.form-control:focus{outline:none;border-color:#0B3C6B;box-shadow:0 0 0 3px rgba(11,60,107,.08)}
textarea.form-control{min-height:90px;resize:vertical;line-height:1.7}
select.form-control{height:38px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.i18n-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.i18n-pair .lang-tag{font-size:11.5px;color:#9aa4b2;margin-bottom:3px;display:block}
.inline-check{display:flex;align-items:center;gap:7px;font-size:14px}
.inline-check input{width:16px;height:16px}

/* Image field */
.img-field{display:flex;gap:14px;align-items:flex-start}
.img-preview{width:110px;height:84px;border:1px solid #e5e9ef;border-radius:8px;background:#f7f9fb;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0;color:#b6bfcb;font-size:12px}
.img-preview img{width:100%;height:100%;object-fit:cover}
.img-actions{flex:1;min-width:0}
.img-actions input[type=file]{font-size:13px;margin-bottom:6px}
.img-actions .path-input{font-size:12.5px;padding:6px 10px}

/* Repeater */
.repeater{border:1px solid #e5e9ef;border-radius:8px;padding:12px;background:#fafbfc;margin-bottom:8px}
.repeater-item{border:1px solid #e5e9ef;background:#fff;border-radius:8px;padding:14px;margin-bottom:10px;position:relative}
.repeater-item .item-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-size:12.5px;color:#6b7280;font-weight:600}
.repeater-item .del-item{background:none;border:none;color:#c0392b;cursor:pointer;font-size:13px;padding:2px 6px}
.repeater-item .del-item:hover{background:#fdf0ef;border-radius:4px}

/* Tables */
.table-wrap{overflow-x:auto}
table.admin-table{width:100%;border-collapse:collapse;font-size:14px}
.admin-table th{text-align:left;padding:11px 12px;background:#f7f9fb;color:#4b5563;font-weight:600;font-size:13px;border-bottom:1px solid #e5e9ef;white-space:nowrap}
.admin-table td{padding:11px 12px;border-bottom:1px solid #eef1f5;vertical-align:middle}
.admin-table tr:hover td{background:#fafbfd}
.admin-table img.thumb{width:52px;height:42px;object-fit:cover;border-radius:5px;border:1px solid #e5e9ef}
.tag{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11.5px;font-weight:600}
.tag-on{background:#e7f7ef;color:#0a7f4f}
.tag-off{background:#f2f4f7;color:#8b95a3}
.tag-new{background:#fff3e8;color:#c25b0d}

/* Alerts */
.alert{padding:11px 16px;border-radius:7px;margin-bottom:16px;font-size:14px}
.alert-success{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.alert-error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
.alert-info{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af}

/* Login */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0A2540,#0B3C6B 60%,#1a5c9e);padding:24px}
.login-box{width:100%;max-width:390px;background:#fff;border-radius:14px;padding:34px 32px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login-box .lg{text-align:center;margin-bottom:24px}
.login-box .lg .logo-mark{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,#FF7A18,#ff9a4d);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;margin-bottom:12px}
.login-box h2{font-size:20px;margin-bottom:4px}
.login-box .sub{color:#6b7280;font-size:13.5px;margin-bottom:22px}
.login-tip{margin-top:18px;padding:11px 14px;background:#f7f9fb;border-radius:7px;font-size:12.5px;color:#6b7280;text-align:center}

/* Misc */
.top-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.pagination{display:flex;gap:6px;margin-top:16px;flex-wrap:wrap}
.pagination a,.pagination span{padding:6px 12px;border:1px solid #e5e9ef;border-radius:6px;background:#fff;font-size:13.5px}
.pagination .current{background:#0B3C6B;color:#fff;border-color:#0B3C6B}
.empty-state{text-align:center;padding:44px 20px;color:#9aa4b2}
.badge-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#FF7A18;margin-right:6px}
.text-muted{color:#6b7280}
.msg-item{border:1px solid #e5e9ef;border-radius:8px;padding:14px 16px;margin-bottom:10px;background:#fff}
.msg-item.unread{border-left:3px solid #FF7A18;background:#fffaf6}
.msg-item .m-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.msg-item .m-head b{font-size:15px;color:#0A2540}
.msg-item .m-meta{font-size:12.5px;color:#9aa4b2}
.msg-item .m-body{font-size:14px;color:#374151;white-space:pre-wrap}
.section-tip{font-size:13px;color:#6b7280;margin:-8px 0 16px}
.toggle-lang-tabs{display:flex;gap:6px;margin-bottom:14px}
.toggle-lang-tabs button{padding:5px 14px;border:1px solid #d7dde5;background:#fff;border-radius:6px;cursor:pointer;font-size:13px;font-family:inherit}
.toggle-lang-tabs button.active{background:#0B3C6B;color:#fff;border-color:#0B3C6B}

@media (max-width:900px){
  .admin-side{position:fixed;left:-240px;z-index:50;transition:left .25s}
  .admin-side.open{left:0}
  .form-row,.form-row-3,.i18n-pair{grid-template-columns:1fr}
  .admin-content{padding:18px 16px 50px}
  .admin-top{padding:12px 16px}
}