:root{
  --gold:#c9a870;
  --gold-dim:#9a8570;
  --bg:#1d1712;
  --panel:#241c16;
  --panel-2:#2c2219;
  --line:rgba(201,168,112,0.16);
  --text:#e8dcc8;
  --muted:#9a8a70;
  --green:#2aae67;
  --blue:#12b7f5;
  --red:#e05a4a;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
a{color:inherit;text-decoration:none}

/* 登录页 */
.admin-login{display:flex;align-items:center;justify-content:center;min-height:100vh;background:radial-gradient(circle at 50% 30%,#2a2118,#15100c)}
.login-card{width:360px;max-width:90vw;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:40px 32px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.login-brand{font-size:30px;font-weight:700;color:var(--gold);text-align:center;letter-spacing:4px}
.login-sub{text-align:center;color:var(--muted);font-size:13px;margin:6px 0 28px;letter-spacing:2px}
.login-form .form-group{margin-bottom:16px}
.login-form label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.login-form input{width:100%;padding:11px 14px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;color:var(--text);font-size:14px;outline:none;transition:border-color .2s}
.login-form input:focus{border-color:var(--gold)}
.login-err{color:var(--red);font-size:13px;min-height:18px;margin-bottom:8px}
.btn-gold-full{width:100%;padding:12px;border:none;border-radius:8px;background:linear-gradient(135deg,var(--gold),#8a7558);color:#fff;font-size:15px;font-weight:600;cursor:pointer;letter-spacing:4px;transition:opacity .2s}
.btn-gold-full:hover{opacity:.9}
.login-tip{text-align:center;color:var(--muted);font-size:12px;margin-top:18px}

/* 布局 */
.admin-shell{display:flex;min-height:100vh}
.sidebar{width:220px;background:var(--panel);border-right:1px solid var(--line);padding:24px 0;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}
.sidebar-brand{padding:0 24px 20px;font-size:20px;font-weight:700;color:var(--gold);letter-spacing:3px;border-bottom:1px solid var(--line);margin-bottom:12px}
.sidebar-user{padding:0 24px 16px;color:var(--muted);font-size:12px}
.sidebar-user b{color:var(--text);font-size:13px}
.nav-item{display:flex;align-items:center;gap:10px;padding:12px 24px;color:var(--muted);cursor:pointer;transition:all .2s;font-size:14px;border-left:3px solid transparent}
.nav-item:hover{color:var(--text);background:var(--panel-2)}
.nav-item.active{color:var(--gold);background:rgba(201,168,112,.08);border-left-color:var(--gold)}
.nav-item .ic{width:18px;text-align:center}
.main{margin-left:220px;flex:1;padding:28px 32px;max-width:100%}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.topbar h1{font-size:22px;font-weight:600}
.topbar .crumb{color:var(--muted);font-size:13px;margin-top:4px}
.btn-ghost{padding:8px 16px;border:1px solid var(--line);border-radius:8px;color:var(--muted);cursor:pointer;background:transparent;font-size:13px;transition:all .2s}
.btn-ghost:hover{color:var(--text);border-color:var(--gold)}

/* 卡片/统计 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px}
.stat-card .num{font-size:28px;font-weight:700;color:var(--gold)}
.stat-card .lbl{color:var(--muted);font-size:13px;margin-top:6px}
.stat-card .sub{color:var(--muted);font-size:12px;margin-top:2px}

/* 表格 */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:24px}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.panel-title{font-size:16px;font-weight:600}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:13px;vertical-align:middle}
.table th{color:var(--muted);font-weight:500;font-size:12px;background:var(--panel-2)}
.table tr:hover td{background:rgba(201,168,112,.04)}
.table td .title{color:var(--gold);font-weight:600}
.table td .cat{display:inline-block;padding:2px 10px;border-radius:12px;background:rgba(201,168,112,.12);color:var(--gold-dim);font-size:12px}
.badge{padding:3px 12px;border-radius:14px;font-size:12px;border:1px solid}
.badge.pending{color:var(--gold);background:rgba(201,168,112,.12);border-color:rgba(201,168,112,.4)}
.badge.producing{color:var(--blue);background:rgba(18,183,245,.12);border-color:rgba(18,183,245,.4)}
.badge.completed{color:var(--green);background:rgba(42,174,103,.12);border-color:rgba(42,174,103,.4)}
.badge.cancelled{color:var(--red);background:rgba(224,90,74,.12);border-color:rgba(224,90,74,.4)}
.badge.unread{color:var(--red);background:rgba(224,90,74,.12);border-color:rgba(224,90,74,.4)}
.badge.read{color:var(--muted);background:rgba(154,138,112,.12);border-color:rgba(154,138,112,.4)}
.badge.replied{color:var(--green);background:rgba(42,174,103,.12);border-color:rgba(42,174,103,.4)}
.badge.active{color:var(--green);background:rgba(42,174,103,.12);border-color:rgba(42,174,103,.4)}
.badge.inactive{color:var(--muted);background:rgba(154,138,112,.12);border-color:rgba(154,138,112,.4)}

.btn-sm{padding:5px 12px;border-radius:6px;font-size:12px;cursor:pointer;border:1px solid var(--line);background:transparent;color:var(--muted);transition:all .2s}
.btn-sm:hover{color:var(--text);border-color:var(--gold)}
.btn-sm.danger:hover{color:var(--red);border-color:var(--red)}
.btn-sm.primary{border-color:var(--gold);color:var(--gold)}
.btn-sm.primary:hover{background:rgba(201,168,112,.1)}

/* 筛选 */
.filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.filters select,.filters input{padding:8px 12px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;color:var(--text);font-size:13px;outline:none}
.filters select:focus,.filters input:focus{border-color:var(--gold)}

/* 弹窗 */
.mask{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:2000;padding:20px}
.mask.open{display:flex}
.modal{width:560px;max-width:100%;max-height:90vh;overflow-y:auto;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px}
.modal h3{font-size:18px;margin-bottom:18px;color:var(--gold)}
.modal .form-row{margin-bottom:14px}
.modal label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.modal input,.modal textarea,.modal select{width:100%;padding:10px 12px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;color:var(--text);font-size:14px;outline:none}
.modal input:focus,.modal textarea:focus,.modal select:focus{border-color:var(--gold)}
.modal textarea{resize:vertical;min-height:72px}
.modal-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:20px}
.pkg-row{display:grid;grid-template-columns:1.4fr 1fr 1fr 32px;gap:8px;margin-bottom:8px;align-items:center}
.pkg-row input{padding:8px 10px;font-size:13px}
.pkg-del{cursor:pointer;color:var(--red);text-align:center;font-size:18px}
.toast{position:fixed;top:24px;left:50%;transform:translateX(-50%);background:var(--panel-2);border:1px solid var(--gold);color:var(--gold);padding:12px 24px;border-radius:8px;z-index:3000;opacity:0;transition:opacity .3s}
.toast.show{opacity:1}
.admin-menu-btn{display:none;align-items:center;justify-content:center;width:38px;height:38px;margin-right:10px;border:1px solid var(--line);border-radius:8px;background:var(--panel-2);color:var(--gold);cursor:pointer;font-size:18px;flex:none;position:relative;z-index:1600}
@media(max-width:900px){
  .sidebar{position:fixed;top:0;bottom:0;left:0;z-index:1500;transform:translateX(-100%);transition:transform .3s ease;box-shadow:2px 0 24px rgba(0,0,0,.55)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-mask{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:1400;display:none}
  .sidebar-mask.open{display:block}
  .main{margin-left:0;padding:20px 18px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .admin-menu-btn{display:flex}
}
@media(max-width:768px){
  .panel{padding:14px}
  .table{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .table th,.table td{white-space:nowrap}
}
@media(max-width:640px){
  .main{padding:16px 14px}
  .topbar{flex-wrap:wrap;gap:10px;align-items:flex-start}
  .topbar>div:first-child{flex:1 1 100%}
  .topbar h1{font-size:19px}
  .stat-grid{grid-template-columns:1fr}
  .pkg-row{grid-template-columns:1fr;gap:6px}
  .pkg-del{text-align:left}
  .modal{padding:18px}
  .modal-actions{flex-direction:column-reverse}
  .modal-actions .btn-sm{width:100%}
  .filters{gap:8px}
  .filters select,.filters input{flex:1 1 100%}
}

/* 短视频上传表单补充 */
.admin-form{max-width:680px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-tip{font-size:12px;color:var(--text-dim,#9a8a70);margin-top:4px}
.form-err{color:#ff8a8a;font-size:13px;margin:10px 0}
.form-actions{margin-top:18px;display:flex;align-items:center;gap:14px}
.req{color:var(--red);margin-left:2px}
.upload-progress{color:var(--gold);font-size:13px}
@media(max-width:640px){
  .form-grid{grid-template-columns:1fr}
  .admin-form{max-width:100%}
}