/* Restored from dist/assets/index-DSHuTiZD.css to recover UI styling */
/* Consider prettifying if further edits are needed */
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.ql-picker-label,.ql-toolbar.ql-snow .ql-picker.ql-expanded .ql-picker-options{border-color:#ccc}.ql-toolbar.ql-snow .ql-color-picker .ql-picker-item.ql-selected,.ql-toolbar.ql-snow .ql-color-picker .ql-picker-item:hover{border-color:#000}.ql-toolbar.ql-snow+.ql-container.ql-snow{border-top:0px}.ql-snow .ql-tooltip{background-color:#fff;border:1px solid #ccc;box-shadow:0 0 5px #ddd;color:#444;padding:5px 12px;white-space:nowrap}.ql-snow .ql-tooltip:before{content:"Visit URL:";line-height:26px;margin-right:8px}.ql-snow .ql-tooltip input[type=text]{display:none;border:1px solid #ccc;font-size:13px;height:26px;margin:0;padding:3px 5px;width:170px}.ql-snow .ql-tooltip a.ql-preview{display:inline-block;max-width:200px;overflow-x:hidden;text-overflow:ellipsis;vertical-align:top}.ql-snow .ql-tooltip a.ql-action:after{border-right:1px solid #ccc;content:"Edit";margin-left:16px;padding-right:8px}.ql-snow .ql-tooltip a.ql-remove:before{content:"Remove";margin-left:8px}.ql-snow .ql-tooltip a{line-height:26px}.ql-snow .ql-tooltip.ql-editing a.ql-preview,.ql-snow .ql-tooltip.ql-editing a.ql-remove{display:none}.ql-snow .ql-tooltip.ql-editing input[type=text]{display:inline-block}.ql-snow .ql-tooltip.ql-editing a.ql-action:after{border-right:0px;content:"Save";padding-right:0}.ql-snow .ql-tooltip[data-mode=link]:before{content:"Enter link:"}.ql-snow .ql-tooltip[data-mode=formula]:before{content:"Enter formula:"}.ql-snow .ql-tooltip[data-mode=video]:before{content:"Enter video:"}.ql-snow a{color:#06c}.ql-container.ql-snow{border:1px solid #ccc}
/* ----- Layout fixes for knowledge, export, settings, help ----- */
.knowledge-filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.knowledge-filters input,.knowledge-filters select{padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg-card);color:var(--text-primary);min-width:180px}
.knowledge-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.knowledge-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px}
.kb-header{display:flex;justify-content:space-between;align-items:center;gap:8px}
.kb-header h3{font-size:17px;margin:0;flex:1;color:var(--text-primary)}
.kb-status{padding:6px 10px;border-radius:10px;font-size:12px;text-transform:uppercase;background:var(--bg-hover);color:var(--text-secondary)}
.kb-status.published{background:#10b98133;color:var(--success)}
.kb-status.draft{background:#f59e0b33;color:var(--warning)}
.kb-status.archived{background:#64748b33;color:#cbd5e1}
.kb-meta,.kb-tags,.kb-actions{display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--text-secondary)}
.kb-tags .tag{background:var(--bg-hover);padding:4px 8px;border-radius:8px;color:var(--text-primary);font-size:12px}
.kb-actions{margin-top:4px}

.export-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.export-section{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px;box-shadow:0 6px 18px var(--shadow)}
.export-section h3{margin:0;font-size:16px;color:var(--text-primary)}
.export-section p{margin:0;color:var(--text-secondary);font-size:13px;line-height:1.5}
.export-actions{display:flex;flex-wrap:wrap;gap:10px}

.settings-view{
  background:linear-gradient(135deg, var(--bg-card) 0%, rgba(99,102,241,0.02) 100%);
  border:1px solid var(--border);
  border-radius:20px;
  padding:28px;
  animation:fadeInUp 0.6s ease;
}
.settings-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:24px;
  padding-bottom:20px;
  border-bottom:2px solid var(--border);
}
.settings-tabs .tab-btn{
  padding:12px 24px;
  border:2px solid var(--border);
  border-radius:12px;
  background:var(--bg-dark);
  color:var(--text-primary);
  cursor:pointer;
  transition:all 0.3s ease;
  font-weight:600;
  font-size:14px;
  position:relative;
  overflow:hidden;
}
.settings-tabs .tab-btn::before{
  content:'';
  position:absolute;
  top:0;
  left:-100%;
  width:100%;
  height:100%;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition:left 0.5s ease;
}
.settings-tabs .tab-btn:hover{
  border-color:var(--primary);
  transform:translateY(-2px);
  box-shadow:0 4px 12px rgba(99,102,241,0.2);
}
.settings-tabs .tab-btn:hover::before{
  left:100%;
}
.settings-tabs .tab-btn.active{
  background:linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-color:var(--primary);
  color:#fff;
  box-shadow:0 6px 20px rgba(99,102,241,0.4);
  transform:translateY(-2px);
}
.settings-content{
  background:var(--bg-dark);
  border:1px solid var(--border);
  border-radius:16px;
  padding:24px;
  min-height:400px;
}
.tab-content{
  display:none;
  animation:fadeIn 0.4s ease;
}
.tab-content.active{display:block;}
.setting-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:16px;
  border-bottom:1px solid var(--border);
  transition:all 0.3s ease;
  border-radius:8px;
}
.setting-item:hover{
  background:rgba(99,102,241,0.05);
  transform:translateX(5px);
}
.setting-item:last-child{border-bottom:none;}
.setting-item label{
  display:flex;
  align-items:center;
  gap:12px;
  cursor:pointer;
  font-weight:600;
  font-size:15px;
}
.setting-item input[type="checkbox"]{
  width:20px;
  height:20px;
  cursor:pointer;
  accent-color:var(--primary);
}
.setting-description{
  margin:8px 0 0 32px;
  color:var(--text-secondary);
  font-size:13px;
  line-height:1.6;
}
.ai-settings,.notification-settings{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.ai-settings h3,.notification-settings h3{
  margin:0 0 20px;
  font-size:20px;
  font-weight:700;
  background:linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.help-center{
  background:linear-gradient(135deg, var(--bg-card) 0%, rgba(99,102,241,0.02) 100%);
  border:1px solid var(--border);
  border-radius:20px;
  padding:28px;
  animation:fadeInUp 0.6s ease;
}
.help-sections{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:20px;
  margin-bottom:30px;
}
.help-section{
  background:linear-gradient(135deg, var(--bg-dark) 0%, rgba(99,102,241,0.03) 100%);
  border:1px solid var(--border);
  border-radius:16px;
  padding:24px;
  transition:all 0.3s ease;
  position:relative;
  overflow:hidden;
}
.help-section::before{
  content:'';
  position:absolute;
  top:-50%;
  right:-50%;
  width:100%;
  height:100%;
  background:radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 70%);
  transition:all 0.5s ease;
}
.help-section:hover{
  transform:translateY(-8px);
  box-shadow:0 12px 32px rgba(99,102,241,0.2);
  border-color:var(--primary);
}
.help-section:hover::before{
  top:0;
  right:0;
}
.help-section h3{
  margin:0 0 16px;
  font-size:18px;
  font-weight:700;
  color:var(--text-primary);
  display:flex;
  align-items:center;
  gap:10px;
  position:relative;
  z-index:1;
}
.help-section ul{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-direction:column;
  gap:10px;
  font-size:14px;
  color:var(--text-secondary);
  position:relative;
  z-index:1;
}
.help-section ul li{
  padding:8px 12px;
  border-radius:8px;
  transition:all 0.3s ease;
  cursor:pointer;
}
.help-section ul li:hover{
  background:rgba(99,102,241,0.1);
  color:var(--text-primary);
  transform:translateX(5px);
}
.help-section a{
  color:var(--primary);
  text-decoration:none;
  font-weight:600;
  transition:all 0.3s ease;
}
.help-section a:hover{
  color:var(--secondary);
  text-decoration:underline;
}
.help-footer{
  margin-top:30px;
  padding:24px;
  background:linear-gradient(135deg, var(--bg-dark) 0%, rgba(99,102,241,0.05) 100%);
  border-radius:16px;
  border:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
}
.help-footer p{
  margin:0;
  font-size:16px;
  font-weight:600;
  color:var(--text-primary);
}
.help-footer button{
  padding:12px 28px;
  background:linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border:none;
  border-radius:12px;
  color:#fff;
  font-weight:700;
  font-size:15px;
  cursor:pointer;
  transition:all 0.3s ease;
  box-shadow:0 4px 12px rgba(99,102,241,0.3);
}
.help-footer button:hover{
  transform:translateY(-3px);
  box-shadow:0 8px 24px rgba(99,102,241,0.5);
}
/* ----- Task detail modal layout - ENHANCED ----- */
.task-detail-view{
  background:linear-gradient(135deg, var(--bg-card) 0%, rgba(99,102,241,0.03) 100%);
  border:1px solid var(--border);
  border-radius:20px;
  padding:28px;
  box-shadow:0 16px 48px var(--shadow);
  color:var(--text-primary);
  animation:modalSlideIn 0.4s ease;
}
@keyframes modalSlideIn{
  from{opacity:0;transform:translateY(30px) scale(0.95);}
  to{opacity:1;transform:translateY(0) scale(1);}
}
.task-detail-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:15px;
  margin-bottom:24px;
  padding-bottom:20px;
  border-bottom:2px solid var(--border);
}
.task-detail-header h2{
  margin:0;
  font-size:26px;
  font-weight:700;
  background:linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.task-detail-info{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:16px;
  margin-bottom:24px;
  padding:20px;
  background:var(--bg-dark);
  border-radius:12px;
  border:1px solid var(--border);
}
.task-detail-info .info-row{
  display:flex;
  gap:10px;
  font-size:14px;
  align-items:center;
}
.task-detail-info .info-label{
  color:var(--text-secondary);
  font-weight:600;
  min-width:80px;
}
.task-detail-info .info-value{
  color:var(--text-primary);
  font-weight:500;
}

.task-completion-stats{margin-bottom:24px;}
.task-completion-stats h3{
  margin:0 0 16px;
  font-size:18px;
  font-weight:700;
  color:var(--text-primary);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:16px;
}
.stat-card{
  background:linear-gradient(135deg, var(--bg-dark) 0%, rgba(99,102,241,0.05) 100%);
  border:1px solid var(--border);
  border-radius:14px;
  padding:20px;
  text-align:center;
  transition:all 0.3s ease;
  position:relative;
  overflow:hidden;
}
.stat-card::before{
  content:'';
  position:absolute;
  top:-50%;
  right:-50%;
  width:100%;
  height:100%;
  background:radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 70%);
  transition:all 0.5s ease;
}
.stat-card:hover{
  transform:translateY(-5px);
  box-shadow:0 8px 24px rgba(99,102,241,0.2);
  border-color:var(--primary);
}
.stat-card:hover::before{
  top:0;
  right:0;
}
.stat-label{
  color:var(--text-secondary);
  font-size:13px;
  margin-bottom:10px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.5px;
}
.stat-value{
  font-size:28px;
  font-weight:800;
  background:linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.progress-bar-container{margin-top:16px;}
.progress-bar{
  width:100%;
  height:12px;
  background:var(--bg-hover);
  border-radius:10px;
  overflow:hidden;
  box-shadow:inset 0 2px 4px rgba(0,0,0,0.2);
}
.progress-fill{
  height:100%;
  background:linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius:10px;
  transition:width 0.6s ease;
  box-shadow:0 0 10px rgba(99,102,241,0.5);
}

.poll-results-section{margin-bottom:24px;}
.poll-results-section h3{
  margin:0 0 16px;
  font-size:18px;
  font-weight:700;
}
.poll-options-results{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.poll-option-result{
  background:var(--bg-dark);
  border:1px solid var(--border);
  border-radius:12px;
  padding:16px;
  transition:all 0.3s ease;
}
.poll-option-result:hover{
  border-color:var(--primary);
  transform:translateX(5px);
}
.poll-option-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-bottom:10px;
  font-size:15px;
}
.poll-option-text{
  color:var(--text-primary);
  font-weight:600;
}
.poll-option-count{
  color:var(--text-secondary);
  font-weight:700;
}

.task-members-list h3{
  margin:0 0 16px;
  font-size:18px;
  font-weight:700;
}
.members-table{
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
  box-shadow:0 4px 12px var(--shadow);
}
.members-table-header,.members-table-row{
  display:grid;
  grid-template-columns:1fr 140px 180px;
  gap:16px;
  align-items:center;
  padding:14px 18px;
}
.members-table-header{
  background:linear-gradient(135deg, var(--bg-dark) 0%, rgba(99,102,241,0.1) 100%);
  color:var(--text-secondary);
  font-size:12px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:1px;
}
.members-table-row{
  border-top:1px solid var(--border);
  background:var(--bg-card);
  transition:all 0.3s ease;
}
.members-table-row:hover{
  background:rgba(99,102,241,0.05);
  transform:translateX(5px);
}
.member-info{
  display:flex;
  align-items:center;
  gap:12px;
}
.member-status{
  font-size:13px;
  font-weight:600;
}
.member-time{
  color:var(--text-secondary);
  font-size:13px;
}
.members-table-row.completed{
  background:linear-gradient(90deg, rgba(16,185,129,0.1) 0%, transparent 100%);
  border-left:3px solid var(--success);
}
.members-table-row.pending{
  background:linear-gradient(90deg, rgba(239,68,68,0.08) 0%, transparent 100%);
  border-left:3px solid var(--danger);
}
/* ----- Backup management layout - ENHANCED ----- */
.backup-stats{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:20px;
  margin-bottom:30px;
  animation:fadeInUp 0.6s ease;
}
.backup-stats .stat-card{
  background:linear-gradient(135deg, var(--bg-card) 0%, rgba(99,102,241,0.05) 100%);
  border:1px solid var(--border);
  border-radius:16px;
  padding:24px;
  box-shadow:0 8px 24px var(--shadow);
  transition:all 0.3s ease;
  position:relative;
  overflow:hidden;
}
.backup-stats .stat-card::before{
  content:'';
  position:absolute;
  top:0;
  right:0;
  width:100px;
  height:100px;
  background:radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 70%);
  border-radius:50%;
  transform:translate(30%, -30%);
}
.backup-stats .stat-card:hover{
  transform:translateY(-5px);
  box-shadow:0 12px 32px rgba(99,102,241,0.2);
  border-color:var(--primary);
}
.backup-stats .stat-card h3{
  margin:0 0 12px;
  font-size:13px;
  color:var(--text-secondary);
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.5px;
}
.backup-stats .stat-number{
  font-size:32px;
  font-weight:800;
  background:linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.backup-list{background:transparent;animation:fadeIn 0.8s ease;}
.backups-table{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  box-shadow:0 8px 24px var(--shadow);
}
.backup-header,.backup-row{
  display:grid;
  grid-template-columns:200px 100px 120px 150px 1fr;
  gap:16px;
  align-items:center;
  padding:16px 20px;
}
.backup-header{
  background:linear-gradient(135deg, var(--bg-dark) 0%, rgba(99,102,241,0.1) 100%);
  color:var(--text-secondary);
  font-size:12px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:1px;
  border-bottom:2px solid var(--border);
}
.backup-row{
  border-top:1px solid var(--border);
  font-size:14px;
  color:var(--text-primary);
  transition:all 0.3s ease;
}
.backup-row:hover{
  background:rgba(99,102,241,0.05);
  transform:translateX(5px);
}
.backup-row:nth-child(even){background:rgba(255,255,255,0.02)}
.backup-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:flex-end;
}
.backup-type-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:20px;
  font-size:12px;
  font-weight:600;
  background:var(--bg-hover);
  color:var(--text-primary);
  border:1px solid var(--border);
  transition:all 0.3s ease;
}
.backup-type-badge:hover{transform:scale(1.05);}
.backup-type-badge.manual{
  background:linear-gradient(135deg, rgba(99,102,241,0.2) 0%, rgba(99,102,241,0.1) 100%);
  border-color:rgba(99,102,241,0.5);
  color:#818cf8;
}
.backup-type-badge.scheduled{
  background:linear-gradient(135deg, rgba(16,185,129,0.2) 0%, rgba(16,185,129,0.1) 100%);
  border-color:rgba(16,185,129,0.5);
  color:#34d399;
}
.backup-type-badge.auto{
  background:linear-gradient(135deg, rgba(245,158,11,0.2) 0%, rgba(245,158,11,0.1) 100%);
  border-color:rgba(245,158,11,0.5);
  color:#fbbf24;
}

@media (max-width: 900px){
  .backup-header{display:none}
  .backup-row{grid-template-columns:1fr;gap:8px}
  .backup-row>div{display:flex;justify-content:space-between;gap:10px}
  .backup-row>div:nth-child(1):before{content:"备份时间";color:var(--text-secondary)}
  .backup-row>div:nth-child(2):before{content:"类型";color:var(--text-secondary)}
  .backup-row>div:nth-child(3):before{content:"大小";color:var(--text-secondary)}
  .backup-row>div:nth-child(4):before{content:"状�?;color:var(--text-secondary)}
  .backup-row>div:nth-child(5){justify-content:flex-end}
}