* { margin:0; padding:0; box-sizing:border-box; }
:root {
  --bg:#0a0e1a; --panel:#111726; --panel2:#1a2238;
  --border:rgba(255,255,255,0.08); --border2:rgba(0,212,255,0.2);
  --cyan:#00d4ff; --violet:#7c3aed; --green:#06ffa5; --amber:#f59e0b; --red:#ff6b6b;
  --text:#fff; --text2:#94a3b8; --text3:#64748b;
}
body { font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif; background:var(--bg); color:var(--text); font-size:14px; -webkit-font-smoothing:antialiased; }
a { color:inherit; text-decoration:none; }
button { font-family:inherit; cursor:pointer; }

/* 布局 */
.layout { display:flex; min-height:100vh; }
.sidebar { width:220px; flex-shrink:0; background:var(--panel); border-right:1px solid var(--border); padding:20px 0; position:fixed; top:0; bottom:0; left:0; display:flex; flex-direction:column; }
.main { flex:1; margin-left:220px; padding:24px 28px; min-width:0; }

/* 侧边栏 */
.sb-logo { display:flex; align-items:center; gap:10px; padding:0 20px 24px; border-bottom:1px solid var(--border); margin-bottom:16px; }
.sb-mark { width:32px; height:32px; background:url('logo.png') center/cover no-repeat; border-radius:50%; box-shadow:0 0 16px rgba(0,212,255,.4); }
.sb-name { font-weight:700; font-size:15px; }
.sb-name small { display:block; font-size:11px; color:var(--text3); font-weight:400; }
.sb-nav { display:flex; flex-direction:column; gap:2px; padding:0 12px; flex:1; overflow-y:auto; }
.sb-item { display:flex; align-items:center; gap:10px; padding:12px 14px; border-radius:8px; color:var(--text2); font-size:14px; transition:all .15s; cursor:pointer; }
.sb-item:hover { background:var(--panel2); color:var(--text); }
.sb-item.active { background:rgba(0,212,255,.1); color:var(--cyan); }
.sb-item .icon { font-size:18px; width:20px; text-align:center; }
.sb-user { padding:16px 20px; border-top:1px solid var(--border); margin-top:auto; }
.sb-user .name { font-size:13px; font-weight:600; }
.sb-user .role { font-size:11px; color:var(--text3); }

/* 顶栏 */
.page-head { display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; }
.page-head h1 { font-size:22px; font-weight:700; }
.page-head .sub { font-size:13px; color:var(--text3); margin-top:2px; }

/* 按钮 */
.btn { padding:10px 18px; border:none; border-radius:8px; font-size:13px; font-weight:600; transition:all .15s; display:inline-flex; align-items:center; gap:6px; }
.btn-primary { background:linear-gradient(135deg,var(--cyan),var(--violet)); color:#fff; box-shadow:0 4px 14px rgba(0,212,255,.25); }
.btn-primary:hover { opacity:.9; }
.btn-primary:disabled { opacity:.5; cursor:not-allowed; }
.btn-ghost { background:var(--panel2); color:var(--text2); border:1px solid var(--border); }
.btn-ghost:hover { color:var(--text); border-color:var(--border2); }
.btn-sm { padding:6px 12px; font-size:12px; border-radius:6px; }
.btn-danger { background:rgba(255,107,107,.12); color:var(--red); border:1px solid rgba(255,107,107,.25); }
.btn-danger:hover { background:rgba(255,107,107,.2); }

/* 表格 */
.table-wrap { background:var(--panel); border:1px solid var(--border); border-radius:12px; overflow-x:auto; overflow-y:hidden; }
table { width:100%; border-collapse:collapse; }
th { padding:14px 16px; text-align:left; font-size:12px; color:var(--text3); font-weight:600; text-transform:uppercase; letter-spacing:.5px; border-bottom:1px solid var(--border); background:var(--panel2); }
td { padding:14px 16px; border-bottom:1px solid var(--border); font-size:13px; vertical-align:middle; }
tr:hover td { background:rgba(255,255,255,.02); }
/* 操作列(末列)钉右, 防止表格横向溢出时编辑/删除被裁掉 */
th:last-child, td:last-child { position:sticky; right:0; z-index:2; box-shadow:inset 1px 0 0 var(--border); background:var(--panel); }
th:last-child { z-index:3; background:var(--panel2); }
tr:hover td:last-child { background:#161d2e; }
.tr-free { color:var(--green); } .tr-vip { color:var(--amber); }
.tag { display:inline-block; padding:2px 8px; border-radius:4px; font-size:11px; font-weight:600; }
.tag-free { background:rgba(6,255,165,.15); color:var(--green); }
.tag-vip { background:rgba(245,158,11,.15); color:var(--amber); }
.tag-on { background:rgba(0,212,255,.12); color:var(--cyan); }
.tag-off { background:rgba(100,116,139,.15); color:var(--text3); }
.tag-yes { background:rgba(6,255,165,.12); color:var(--green); }
.tag-no { background:rgba(100,116,139,.1); color:var(--text3); }

/* 表单 */
.form-group { margin-bottom:16px; }
.form-group label { display:block; font-size:13px; color:var(--text2); margin-bottom:6px; }
.form-group input, .form-group textarea, .form-group select {
  width:100%; padding:10px 14px; background:var(--panel2); border:1px solid var(--border);
  border-radius:8px; color:var(--text); font-size:14px; font-family:inherit; transition:border-color .15s;
}
.form-group input:focus, .form-group textarea:focus { outline:none; border-color:var(--border2); }
.form-group textarea { resize:vertical; min-height:80px; }
.form-row { display:flex; gap:16px; }
.form-row .form-group { flex:1; }
.form-hint { font-size:11px; color:var(--text3); margin-top:4px; }
.checkbox-row { display:flex; align-items:center; gap:8px; }
.checkbox-row input { width:18px; height:18px; }

/* 弹窗 */
.modal-mask { position:fixed; inset:0; background:rgba(0,0,0,.6); z-index:200; display:flex; align-items:center; justify-content:center; padding:20px; }
.modal { background:var(--panel); border:1px solid var(--border); border-radius:16px; padding:28px; max-width:560px; width:100%; max-height:90vh; overflow-y:auto; }
.modal h2 { font-size:18px; margin-bottom:20px; }
.modal-actions { display:flex; gap:12px; margin-top:24px; justify-content:flex-end; }

/* 上传区 */
.upload-zone { border:2px dashed var(--border2); border-radius:12px; padding:28px; text-align:center; cursor:pointer; transition:all .15s; }
.upload-zone:hover { border-color:var(--cyan); background:rgba(0,212,255,.03); }
.upload-zone.has-file { border-color:var(--green); border-style:solid; }
.upload-zone .uz-icon { font-size:36px; margin-bottom:8px; }
.upload-zone .uz-text { font-size:13px; color:var(--text2); }
.upload-zone .uz-file { font-size:13px; color:var(--green); font-weight:600; }
.upload-zone input { display:none; }

/* 进度条 */
.progress { height:6px; background:var(--panel2); border-radius:3px; overflow:hidden; margin-top:12px; }
.progress-bar { height:100%; background:linear-gradient(90deg,var(--cyan),var(--violet)); border-radius:3px; transition:width .2s; }
.progress-text { font-size:12px; color:var(--text2); margin-top:6px; text-align:center; }

/* 登录页 */
.login-page { min-height:100vh; display:flex; align-items:center; justify-content:center; flex-direction:column; gap:24px; }
.login-mark { width:72px; height:72px; background:url('logo.png') center/cover no-repeat; border-radius:50%; box-shadow:0 0 40px rgba(0,212,255,.4); }
.login-title { font-size:24px; font-weight:800; }
.login-sub { font-size:13px; color:var(--text3); text-align:center; line-height:1.6; }
.login-btn { padding:14px 40px; background:linear-gradient(135deg,#07c160,var(--cyan)); border:none; border-radius:100px; color:#fff; font-size:15px; font-weight:700; box-shadow:0 8px 24px rgba(7,193,96,.35); }

/* 空状态 */
.empty { text-align:center; padding:60px 20px; color:var(--text3); }
.empty .emoji { font-size:40px; margin-bottom:12px; }

/* toast */
.toast { position:fixed; top:24px; left:50%; transform:translateX(-50%) translateY(-20px); z-index:300; padding:10px 22px; background:var(--panel); border:1px solid var(--border2); border-radius:100px; font-size:13px; opacity:0; transition:all .25s; pointer-events:none; }
.toast.show { opacity:1; transform:translateX(-50%) translateY(0); }
.toast.err { border-color:rgba(255,107,107,.4); color:var(--red); }
.toast.ok { border-color:rgba(6,255,165,.4); color:var(--green); }

/* 加载 */
.loading { text-align:center; padding:40px; color:var(--text3); }
.spinner { width:28px; height:28px; border:3px solid rgba(0,212,255,.15); border-top-color:var(--cyan); border-radius:50%; animation:spin .8s linear infinite; margin:0 auto 10px; }
@keyframes spin { to { transform:rotate(360deg); } }

/* AI 生成结果 */
.ai-result { margin-top:16px; padding:16px; background:rgba(0,212,255,.05); border:1px solid var(--border2); border-radius:10px; }
.ai-result .ai-label { font-size:11px; color:var(--cyan); font-weight:700; margin-bottom:8px; }
.ai-result .ai-title { font-size:16px; font-weight:700; margin-bottom:6px; }
.ai-result .ai-desc { font-size:13px; color:var(--text2); line-height:1.6; }

/* 文章预览 */
.article-preview { margin-top:12px; max-height:300px; overflow-y:auto; padding:16px; background:var(--panel2); border-radius:8px; font-size:13px; line-height:1.8; color:var(--text2); white-space:pre-wrap; }

@media (max-width:768px) {
  .sidebar { width:60px; }
  .sb-name, .sb-item span:not(.icon), .sb-user .name, .sb-user .role { display:none; }
  .main { margin-left:60px; padding:16px; }
  .form-row { flex-direction:column; }
}

/* PC 登录卡片 */
.login-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 20px; padding: 40px 36px; max-width: 400px; width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.login-form { margin-top: 24px; }
.login-form .form-group { margin-bottom: 16px; }
.login-form input {
  width: 100%; padding: 14px 16px; background: var(--panel2);
  border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); font-size: 15px; font-family: inherit;
}
.login-form input:focus { outline: none; border-color: var(--border2); }
.login-form .login-btn { width: 100%; margin-top: 4px; justify-content: center; }

/* === 视频筛选栏 === */
.filter-bar { background:var(--panel); border:1px solid var(--border); border-radius:12px; padding:16px; margin-bottom:16px; }
.filter-row { display:flex; align-items:center; gap:8px; flex-wrap:wrap; margin-bottom:12px; }
.filter-row:last-child { margin-bottom:0; }
.filter-label { font-size:12px; color:var(--text3); font-weight:600; letter-spacing:.5px; min-width:36px; }
.filter-divider { width:1px; height:22px; background:var(--border); margin:0 4px; }

.cat-pill { padding:5px 12px; border-radius:7px; font-size:13px; font-weight:500; background:var(--panel2); color:var(--text2); border:1px solid var(--border); cursor:pointer; transition:all .15s; display:inline-flex; align-items:center; gap:5px; }
.cat-pill:hover { color:var(--text); border-color:var(--border2); }
.cat-pill.active { background:rgba(0,212,255,.12); color:var(--cyan); border-color:rgba(0,212,255,.3); }
.cat-pill .count { font-size:11px; padding:1px 5px; border-radius:8px; background:rgba(255,255,255,.06); color:var(--text3); }
.cat-pill.active .count { background:rgba(0,212,255,.2); color:var(--cyan); }

.type-pill { padding:5px 12px; border-radius:7px; font-size:13px; font-weight:500; background:var(--panel2); color:var(--text2); border:1px solid var(--border); cursor:pointer; transition:all .15s; }
.type-pill:hover { color:var(--text); border-color:var(--border2); }
.type-pill.active.all { background:rgba(0,212,255,.12); color:var(--cyan); border-color:rgba(0,212,255,.3); }
.type-pill.active.free { background:rgba(6,255,165,.12); color:var(--green); border-color:rgba(6,255,165,.25); }
.type-pill.active.vip { background:rgba(245,158,11,.12); color:var(--amber); border-color:rgba(245,158,11,.25); }

.teacher-select { padding:5px 12px; border-radius:7px; font-size:13px; background:var(--panel2); color:var(--text2); border:1px solid var(--border); cursor:pointer; outline:none; transition:all .15s; }
.teacher-select:hover { border-color:var(--border2); }
.teacher-select:focus { border-color:var(--border2); color:var(--text); }
.teacher-select option { background:var(--panel); color:var(--text); }

.search-box { flex:1; min-width:160px; padding:5px 12px; border-radius:7px; font-size:13px; background:var(--panel2); border:1px solid var(--border); color:var(--text); outline:none; transition:border-color .15s; }
.search-box::placeholder { color:var(--text3); }
.search-box:focus { border-color:var(--border2); }

/* === 封面截帧弹窗 === */
.cover-video-frame { border-radius:10px; overflow:hidden; margin-bottom:16px; background:#000; }
.cover-timeline-area { margin-bottom:16px; }
.cover-timeline-bar { position:relative; height:32px; background:var(--panel2); border:1px solid var(--border); border-radius:7px; cursor:pointer; overflow:hidden; }
.cover-timeline-progress { position:absolute; left:0; top:0; bottom:0; background:rgba(0,212,255,.12); border-right:2px solid var(--cyan); transition:width .05s linear; }
.cover-timeline-thumb { position:absolute; top:50%; transform:translate(-50%,-50%); width:12px; height:12px; border-radius:50%; background:var(--cyan); box-shadow:0 0 10px rgba(0,212,255,.5); transition:left .05s linear; }
.cover-time { font-family:SF Mono,Menlo,monospace; font-size:13px; font-weight:600; color:var(--cyan); background:var(--panel2); padding:3px 10px; border-radius:5px; border:1px solid var(--border); }
.cover-quick-btn { padding:3px 9px; border-radius:5px; font-size:11px; font-weight:600; background:var(--panel2); color:var(--text2); border:1px solid var(--border); cursor:pointer; transition:all .15s; }
.cover-quick-btn:hover { color:var(--cyan); border-color:var(--border2); }

/* === 佣金分销重设计视觉 rd- (GitHub暗色,原型落地) === */
.rd-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
.rd-stat{background:#161b22;border:1px solid #30363d;border-radius:8px;padding:14px}
.rd-stat-val{font-size:22px;font-weight:600;color:#e6edf3}
.rd-stat-val.purple{color:#a371f7}
.rd-stat-val.green{color:#3fb950}
.rd-stat-val.amber{color:#d29922}
.rd-stat-val.red{color:#f85149}
.rd-stat-label{font-size:11px;color:#7d8590;margin-top:4px}
.rd-tbl{width:100%;background:#161b22;border:1px solid #30363d;border-radius:10px;overflow:hidden;border-collapse:collapse}
.rd-tbl th{text-align:left;padding:11px 14px;font-size:11px;color:#7d8590;font-weight:600;border-bottom:1px solid #30363d;background:#010409}
.rd-tbl td{padding:12px 14px;font-size:12px;border-bottom:1px solid #0d1117;color:#e6edf3}
.rd-tbl tr:last-child td{border-bottom:none}
.rd-tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:10px;font-weight:600}
.rd-tag-paid{background:rgba(63,185,80,0.15);color:#3fb950}
.rd-tag-pending{background:rgba(210,153,34,0.15);color:#d29922}
.rd-tag-leader{background:rgba(163,113,247,0.15);color:#a371f7}
.rd-tag-frozen{background:rgba(248,81,73,0.12);color:#f85149}
.rd-btn{padding:6px 12px;border-radius:6px;font-size:11px;border:1px solid #30363d;background:#0d1117;color:#e6edf3;cursor:pointer;margin-right:4px}
.rd-btn.primary{background:#238636;color:#fff;border-color:#238636}
.rd-btn.warn{color:#d29922;border-color:rgba(210,153,34,0.4)}
.rd-btn.danger{color:#f85149;border-color:rgba(248,81,73,0.4)}
.rd-btn:disabled{opacity:.4;cursor:not-allowed}
.rd-pager{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:12px;color:#7d8590}
.rd-pg-info{color:#7d8590}
.rd-filter-bar{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap;align-items:center}
.rd-filter{display:flex;align-items:center;gap:6px;font-size:12px;color:#7d8590}
.rd-search{padding:6px 10px;background:#0d1117;border:1px solid #30363d;border-radius:6px;color:#e6edf3;font-size:12px;width:180px}
.rd-sel{padding:6px 10px;background:#0d1117;border:1px solid #30363d;border-radius:6px;color:#e6edf3;font-size:12px}
.rd-link{color:#58a6ff;cursor:pointer;text-decoration:none}
.rd-link:hover{text-decoration:underline}
.rd-section{background:#161b22;border:1px solid #30363d;border-radius:10px;padding:16px;margin-bottom:16px}
.rd-section-title{font-size:13px;color:#a371f7;font-weight:600;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid #30363d}
.rd-batch-card{background:#0d1117;border:1px solid #30363d;border-radius:8px;padding:12px;margin-bottom:10px}
.rd-batch-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.rd-batch-id{font-size:13px;font-weight:600;color:#e6edf3}
.rd-batch-stats{display:flex;gap:16px;font-size:11px;color:#7d8590;flex-wrap:wrap}
.rd-batch-stats b{color:#e6edf3;font-weight:500}
.rd-tag-reviewing{background:rgba(31,111,235,0.15);color:#58a6ff}
.rd-tag-rejected{background:rgba(248,81,73,0.15);color:#f85149}
.rd-tag-paying{background:rgba(163,113,247,0.15);color:#a371f7}
.rd-md{display:flex;gap:12px;align-items:flex-start}
.rd-md-left{width:280px;flex-shrink:0}
.rd-md-right{flex:1;min-width:0}
.rd-leader-card{background:#161b22;border:1px solid #30363d;border-radius:8px;padding:11px 13px;margin-bottom:8px;cursor:pointer}
.rd-leader-card.active{border-color:#a371f7;background:rgba(163,113,247,0.08)}
.rd-leader-card:hover{border-color:#58a6ff}
.rd-leader-head{display:flex;justify-content:space-between;align-items:center}
.rd-leader-name{font-size:13px;font-weight:600;color:#e6edf3}
.rd-leader-meta{font-size:11px;color:#7d8590;margin-top:3px}
.rd-tag-normal{background:rgba(125,133,144,0.15);color:#7d8590}
.rd-tag-paid{background:rgba(63,185,80,0.15);color:#3fb950}
/* 结算详情三类标注（原型：①打款记录 ②审核留痕 ③扣税标注 三列） */
.modal.wide{max-width:960px}
.rd-pay-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-top:8px}
.rd-pay-box{background:#0d1117;border:1px solid #30363d;border-radius:8px;padding:12px}
.rd-pay-box-title{font-size:11px;font-weight:600;margin-bottom:8px}
.rd-pay-box-title.amber{color:#d29922}
.rd-pay-box-title.green{color:#3fb950}
.rd-pay-box-title.purple{color:#a371f7}
.rd-kv{font-size:11px;margin-bottom:4px;color:#e6edf3}
.rd-kv-label{color:#7d8590}
.rd-kv-val{color:#e6edf3;font-weight:500}