*,:before,:after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#1677ff;
  --primary-dark:#0958d9;
  --success:#52c41a;
  --warning:#faad14;
  --danger:#ff4d4f;
  --bg:#f5f7fa;
  --card:#fff;
  --text:#1f2937;
  --text-secondary:#6b7280;
  --border:#e5e7eb;
  --radius:12px;
  --shadow:0 2px 8px rgba(0,0,0,.06);
}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.5;
  min-height:100vh;
  padding-bottom:env(safe-area-inset-bottom);
}
.app-header{
  position:sticky;top:0;z-index:100;
  background:linear-gradient(135deg,#1677ff,#0958d9);
  color:#fff;
  padding:16px 16px 12px;
  padding-top:calc(16px + env(safe-area-inset-top));
  box-shadow:0 2px 12px rgba(22,119,255,.3);
}
.app-header h1{font-size:18px;font-weight:600}
.header-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.app-header .logout{
  color:#fff;text-decoration:none;font-size:12px;
  padding:4px 10px;border:1px solid rgba(255,255,255,.5);border-radius:20px;
}
.container{
  padding:12px;
  padding-top:calc(12px + env(safe-area-inset-top));
  max-width:960px;margin:0 auto;
}
.card{
  background:var(--card);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:12px;overflow:hidden;
}
.card-header{
  padding:12px 16px;font-weight:600;font-size:15px;
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
}
.card-header-search{flex-wrap:wrap;gap:8px}
.card-body{padding:12px 16px}
.search-box-inline{
  width:100%;max-width:200px;padding:6px 10px;font-size:13px;
}
.search-box{
  width:100%;padding:10px 14px;border:1px solid var(--border);
  border-radius:8px;font-size:14px;outline:none;
  transition:border-color .2s;
}
.search-box:focus{border-color:var(--primary)}
.picker-split{
  display:flex;height:380px;border-top:1px solid var(--border);overflow:hidden;
}
.recipient-mode-switch{
  display:flex;gap:6px;flex-shrink:0;
}
.recipient-mode-tab{
  padding:4px 10px;border:1px solid var(--border);border-radius:16px;
  background:#fff;color:var(--text-secondary);font-size:12px;cursor:pointer;
  white-space:nowrap;
}
.recipient-mode-tab.active{
  border-color:var(--primary);color:var(--primary);background:#e6f4ff;font-weight:600;
}
.custom-mobiles-panel .card-body{padding-top:12px}
.custom-mobiles-label{
  display:block;font-size:14px;font-weight:600;margin-bottom:8px;
}
.custom-mobiles-input{
  width:100%;min-height:140px;padding:12px;border:1px solid var(--border);
  border-radius:8px;font-size:14px;line-height:1.6;resize:vertical;outline:none;
  font-family:inherit;
}
.custom-mobiles-input:focus{border-color:var(--primary)}
.custom-mobiles-stats{
  margin-top:8px;font-size:13px;color:var(--primary);font-weight:600;
}
.custom-mobiles-stats.has-invalid{color:var(--warning)}
.custom-mobiles-preview{
  margin-top:8px;padding:10px 12px;background:#f9fafb;border-radius:8px;
  font-size:12px;color:var(--text-secondary);line-height:1.6;word-break:break-all;
  max-height:72px;overflow:hidden;
}
.custom-mobiles-hint{
  margin-top:10px;font-size:12px;color:var(--text-secondary);
}
.option-item.disabled-wechat{opacity:.45;pointer-events:none}
.msg-type-tabs.disabled{opacity:.45;pointer-events:none}
.picker-left{
  flex:1;min-width:0;border-right:1px solid var(--border);
  display:flex;flex-direction:column;overflow:hidden;
}
.picker-right{
  width:38%;max-width:220px;min-width:120px;
  display:flex;flex-direction:column;background:#fafbfc;overflow:hidden;
}
.picker-column-header{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 12px;flex-shrink:0;
  border-bottom:1px solid var(--border);background:#fff;
  font-size:13px;
}
.picker-column-header button{
  background:none;border:none;color:var(--primary);cursor:pointer;padding:4px 0;
}
.picker-right-header{
  justify-content:space-between;font-weight:600;
}
.selected-list{
  flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;
  padding:4px 0;
}
.selected-empty{padding:24px 12px!important;font-size:13px}
.selected-item{
  display:flex;align-items:center;gap:6px;
  padding:8px 10px 8px 12px;border-bottom:1px solid #f0f0f0;
}
.selected-item:last-child{border-bottom:none}
.selected-info{flex:1;min-width:0}
.selected-name{
  font-size:13px;font-weight:500;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.selected-mobile{
  font-size:11px;color:var(--text-secondary);margin-top:2px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.selected-remove{
  width:22px;height:22px;border:none;border-radius:50%;
  background:#f5f5f5;color:var(--text-secondary);font-size:16px;line-height:1;
  cursor:pointer;flex-shrink:0;padding:0;
}
.selected-remove:active{background:#ffecec;color:var(--danger)}
.member-list{
  flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;
}
.dept-block{margin-bottom:2px}
.dept-row{
  display:flex;align-items:center;gap:4px;
  padding:8px 12px 8px 0;min-height:40px;
  -webkit-tap-highlight-color:transparent;
}
.dept-toggle{
  width:24px;height:24px;border:none;background:none;cursor:pointer;
  flex-shrink:0;position:relative;padding:0;
}
.dept-toggle::before{
  content:'';display:block;width:0;height:0;
  border-top:5px solid transparent;border-bottom:5px solid transparent;
  border-left:6px solid var(--text-secondary);
  transition:transform .2s;margin:7px auto;
}
.dept-toggle.expanded::before{transform:rotate(90deg)}
.dept-toggle-placeholder{width:24px;flex-shrink:0}
.dept-label{
  display:flex;align-items:center;gap:8px;flex:1;min-width:0;cursor:pointer;
}
.dept-checkbox{width:18px;height:18px;accent-color:var(--primary);flex-shrink:0}
.dept-name{font-size:14px;font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dept-count{font-size:12px;color:var(--text-secondary);flex-shrink:0}
.dept-members{border-left:2px solid var(--border);margin-left:20px}
.tree-member{border-bottom:1px solid #f3f4f6}
.tree-member:last-child{border-bottom:none}
.search-hint{
  padding:8px 12px;font-size:12px;color:var(--text-secondary);
  background:#f9fafb;border-bottom:1px solid var(--border);
}
.member-item{
  display:flex;align-items:center;padding:10px 12px 10px 0;
  border-bottom:1px solid var(--border);cursor:pointer;
  -webkit-tap-highlight-color:transparent;
}
.member-item:last-child{border-bottom:none}
.member-item input[type=checkbox]{
  width:18px;height:18px;margin-right:12px;accent-color:var(--primary);flex-shrink:0;
}
.member-info{flex:1;min-width:0}
.member-name{font-size:15px;font-weight:500}
.member-meta{font-size:12px;color:var(--text-secondary);margin-top:2px}
.member-meta .no-mobile{color:var(--warning)}
.selected-count{color:var(--primary);font-weight:600;font-size:12px}
.message-area{
  width:100%;min-height:120px;padding:12px;border:1px solid var(--border);
  border-radius:8px;font-size:14px;resize:vertical;outline:none;
  font-family:inherit;line-height:1.6;
}
.message-area:focus{border-color:var(--primary)}
.msg-type-tabs{display:flex;gap:8px;margin-bottom:12px}
.msg-type-tab{flex:1;text-align:center;cursor:pointer;-webkit-tap-highlight-color:transparent}
.msg-type-tab input{display:none}
.msg-type-tab span{
  display:block;padding:8px 12px;border:1px solid var(--border);
  border-radius:8px;font-size:14px;color:var(--text-secondary);transition:all .2s;
}
.msg-type-tab.active span,.msg-type-tab input:checked + span{
  border-color:var(--primary);color:var(--primary);background:#e6f4ff;font-weight:600;
}
.msg-panel{margin-bottom:4px}
.media-upload{display:block;cursor:pointer}
.media-upload-inner{
  border:1px dashed var(--border);border-radius:10px;
  padding:28px 16px;text-align:center;background:#fafbfc;transition:border-color .2s;
}
.media-upload-inner:active{border-color:var(--primary)}
.media-upload-icon{
  width:40px;height:40px;margin:0 auto 8px;border-radius:50%;
  background:#e6f4ff;color:var(--primary);font-size:28px;line-height:40px;
}
.media-upload-text{font-size:14px;color:var(--text)}
.media-upload-hint{font-size:12px;color:var(--text-secondary);margin-top:6px}
.media-preview{text-align:center}
.image-preview{max-width:100%;max-height:200px;border-radius:8px;margin-bottom:10px;object-fit:contain}
.file-preview{
  display:flex;align-items:center;justify-content:center;gap:8px;
  padding:16px;background:#f9fafb;border-radius:8px;margin-bottom:10px;
  font-size:14px;word-break:break-all;
}
.file-preview-icon{font-size:24px}
.media-clear{background:none;border:none;color:var(--primary);font-size:13px;cursor:pointer;padding:4px 8px}
.option-item.disabled{opacity:.45;pointer-events:none}
.char-count{text-align:right;font-size:12px;color:var(--text-secondary);margin-top:6px}
.send-options{display:flex;gap:16px;padding:12px 0}
.option-item{
  display:flex;align-items:center;gap:8px;cursor:pointer;
  font-size:14px;-webkit-tap-highlight-color:transparent;
}
.option-item input{width:18px;height:18px;accent-color:var(--primary)}
.btn-send{
  display:block;width:100%;padding:14px;border:none;border-radius:10px;
  background:var(--primary);color:#fff;font-size:16px;font-weight:600;
  cursor:pointer;transition:background .2s,opacity .2s;
}
.btn-send:active{background:var(--primary-dark)}
.btn-send:disabled{background:#bfbfbf;cursor:not-allowed}
.loading,.empty,.error-msg{
  text-align:center;padding:32px 16px;color:var(--text-secondary);font-size:14px;
}
.error-msg{color:var(--danger)}
.toast{
  position:fixed;left:50%;bottom:80px;transform:translateX(-50%) translateY(20px);
  background:rgba(0,0,0,.78);color:#fff;padding:10px 20px;border-radius:8px;
  font-size:14px;z-index:999;opacity:0;transition:all .3s;pointer-events:none;
  max-width:90%;text-align:center;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.tabs{display:flex;border-bottom:1px solid var(--border)}
.tab{
  flex:1;padding:12px;text-align:center;font-size:14px;cursor:pointer;
  color:var(--text-secondary);border-bottom:2px solid transparent;
  transition:all .2s;
}
.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
.tab-panel{display:none}
.tab-panel.active{display:block}
.log-item{padding:12px 0;border-bottom:1px solid var(--border);font-size:13px}
.log-content-with-thumb{display:flex;align-items:flex-start;gap:10px}
.log-thumb{
  width:56px;height:56px;object-fit:cover;border-radius:6px;
  flex-shrink:0;background:#f3f4f6;border:1px solid var(--border);
}
.log-content-text{flex:1;min-width:0;line-height:1.5;word-break:break-all}
.log-item:last-child{border-bottom:none}
.log-meta{color:var(--text-secondary);font-size:12px;margin-top:4px}
.log-recipients{margin-top:4px;font-size:12px;color:var(--text-secondary)}
.log-recipients-text{line-height:1.5;word-break:break-all}
.log-recipients-toggle{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  width:100%;padding:0;border:none;background:none;
  color:var(--text-secondary);font-size:12px;text-align:left;cursor:pointer;
}
.log-recipients-summary{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.log-recipients-arrow{color:var(--primary);flex-shrink:0;font-size:12px}
.log-recipients-detail{
  margin-top:6px;padding:8px 10px;background:#f9fafb;border-radius:6px;
  line-height:1.6;word-break:break-all;color:var(--text);
}
.log-tags{display:flex;gap:6px;margin-top:6px}
.tag{
  display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;
}
.tag-wechat{background:#e6f4ff;color:#1677ff}
.tag-sms{background:#f6ffed;color:#52c41a}
.tag-failed{background:#fff2f0;color:#ff4d4f}
.login-page{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:100vh;padding:24px;text-align:center;
}
.login-page h1{font-size:22px;margin-bottom:12px;color:var(--text)}
.login-page p{color:var(--text-secondary);font-size:14px;margin-bottom:24px;line-height:1.8}
.login-page .tip{
  background:#fff7e6;border:1px solid #ffd591;border-radius:8px;
  padding:12px 16px;font-size:13px;color:#ad6800;text-align:left;margin-top:16px;
}