/* ===== Student Overview View ===== */
.overview-view{overflow:hidden}
.overview-toolbar{display:flex;align-items:center;gap:8px;padding:12px 24px;border-bottom:1px solid var(--line);background:#fff;flex-shrink:0;flex-wrap:wrap}
.overview-body{flex:1;overflow-y:auto;padding:20px 24px}
.overview-foot{display:flex;gap:16px;margin-top:16px;padding-top:12px;border-top:1px solid var(--line)}
.overview-search{border:1px solid var(--line);border-radius:var(--radius-md);padding:8px 12px;font-size:var(--fs-base);width:280px;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.overview-search:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(74,150,150,.1)}
.toolbar-divider{width:1px;height:24px;background:var(--line);margin:0 4px;flex-shrink:0}
.tbar-actions{display:inline-flex;align-items:center;gap:6px;flex-shrink:0}
.tbar-dropdown{position:relative;display:inline-flex}
.tbar-btn{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:var(--fs-sm);background:#fff;color:var(--muted);cursor:pointer;transition:all var(--transition-fast);font-weight:500}.tbar-btn:hover{color:var(--text);border-color:#d1d5db;background:var(--neutral-bg)}
.tbar-btn .sort-icon{vertical-align:middle}
.tbar-arrow{vertical-align:middle;margin-left:2px;transition:transform var(--transition-fast)}.tbar-dropdown.open .tbar-arrow{transform:rotate(180deg)}
.tbar-menu{display:none;position:absolute;top:calc(100% + 4px);left:0;min-width:110px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:0 4px 20px rgba(0,0,0,.12);z-index:200;padding:4px}
.tbar-dropdown.open .tbar-menu{display:block}
.tbar-item{padding:6px 12px;font-size:var(--fs-sm);cursor:pointer;border-radius:var(--radius-sm);transition:background var(--transition-fast);color:var(--text2);white-space:nowrap}.tbar-item:hover{background:var(--neutral-bg);color:var(--text)}.tbar-item.active{background:var(--primary-bg);color:var(--primary);font-weight:500}
.filter-chips{display:flex;gap:4px;flex-wrap:wrap}
.pill.filter{background:var(--neutral-bg);color:var(--muted);border:1px solid transparent;cursor:pointer}
.pill.filter:hover{color:var(--text);background:var(--primary-bg);border-color:var(--primary-border)}
.pill.filter.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.overview-group-title{display:flex;align-items:center;gap:10px;margin:24px 0 12px;font-size:var(--fs-md);font-weight:600;color:var(--text)}.overview-group-title:first-child{margin-top:0}
.group-line{flex:1;height:1px;background:var(--line)}
.group-count{font-size:var(--fs-md);font-weight:700;color:var(--text)}
.overview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px;margin-bottom:8px}
.overview-card{background:var(--card);border-radius:var(--radius-md);padding:14px 14px 12px;cursor:pointer;transition:all var(--transition-fast);position:relative;display:flex;flex-direction:column;gap:6px;box-shadow:0 1px 2px rgba(0,0,0,.04)}.overview-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.overview-card:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.overview-card-top{display:flex;align-items:center;gap:8px}
.overview-card-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:var(--fs-md);font-weight:700;color:#fff;flex-shrink:0}
.overview-card-body{flex:1;min-width:0}
.overview-card-name{font-weight:600;font-size:var(--fs-base);color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.2}
.overview-card-meta{font-size:var(--fs-sm);color:var(--muted);line-height:1.4}
.overview-card-school{font-size:var(--fs-xs);color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.overview-card-footer{display:flex;align-items:center;gap:6px;margin-top:auto;padding-top:6px;border-top:1px solid var(--neutral-border)}
.overview-split{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.overview-left{min-width:0;display:flex;flex-direction:column;gap:14px}
.overview-right{min-width:0;display:flex;flex-direction:column;gap:14px}

/* ===== Student Service View ===== */
.service-view{overflow:hidden}
.student-selector{display:flex;align-items:center;gap:10px;padding:12px 24px;border-bottom:1px solid var(--line);background:#fff;flex-shrink:0;flex-wrap:wrap}
.selector-nav{display:flex;align-items:center;gap:6px}
.selector-arrow{width:30px;height:30px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);color:var(--text2)}.selector-arrow:hover{background:var(--neutral-bg);border-color:#d1d5db}
.selector-search-wrap{position:relative;flex:0 0 220px}
.selector-search{width:100%;border:1px solid var(--line);border-radius:var(--radius-md);padding:6px 10px;font-size:var(--fs-sm);transition:border-color var(--transition-fast)}.selector-search:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(74,150,150,.1)}
.selector-dropdown{position:absolute;top:100%;left:0;width:300px;max-height:280px;overflow-y:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:40;margin-top:4px;display:none}.selector-dropdown.show{display:block}
.selector-dropdown-item{padding:8px 12px;cursor:pointer;font-size:var(--fs-base);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.selector-dropdown-item:hover{background:var(--primary-bg)}.selector-dropdown-item:last-child{border-bottom:0}
.sd-meta{font-size:var(--fs-xs);color:var(--muted)}
.selector-arrow:disabled{opacity:.4;cursor:default;pointer-events:none}
.selector-actions{margin-left:auto}
.service-content{flex:1;overflow-y:auto;padding:20px 24px}

/* ===== Admin Views ===== */
.admin-view{padding:20px 24px;overflow-y:auto}
.system-view{overflow-y:auto}
.mobile-back{display:none}

/* ===== Login Page ===== */
.login-page{position:fixed;inset:0;z-index:9999;background:var(--bg);display:flex;align-items:center;justify-content:center}
.login-container{display:grid;grid-template-columns:1fr 1fr;max-width:720px;width:90%;background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden}
.login-form{padding:40px 32px;display:flex;flex-direction:column;gap:16px}
.login-form h2{margin:0 0 8px;font-size:20px;font-weight:700}
.login-form .input{padding:12px 14px}
.login-form .btn{padding:12px;font-size:15px}
.login-divider{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 32px;background:var(--neutral-bg);border-left:1px solid var(--line);gap:16px}
.login-divider .btn{width:100%}
.login-link-btn{display:block;text-align:center;text-decoration:none}
.wecom-login-btn{display:inline-block;width:200px;height:40px;background-image:url('/img/wecom-login-blue@2x.png');background-size:200px 40px;background-repeat:no-repeat;background-position:center;border-radius:6px;text-indent:-9999px;overflow:hidden;cursor:pointer;transition:transform var(--transition-fast),box-shadow var(--transition-fast),filter var(--transition-fast);box-shadow:0 1px 2px rgba(0,0,0,.04)}
.wecom-login-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,82,217,.18);filter:brightness(1.05)}
.wecom-login-btn:active{transform:translateY(0);box-shadow:0 1px 2px rgba(0,0,0,.06)}
.wecom-login-btn.disabled,.wecom-login-btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;pointer-events:none}
.login-help{text-align:center}.login-help-meta{text-align:center;font-size:var(--fs-xs);color:var(--muted)}
.login-error{color:var(--danger);font-size:var(--fs-sm);min-height:20px}

/* ===== Media Queries ===== */
@media(max-width:900px){.topnav{flex-wrap:wrap;height:auto;padding:0 12px}.topnav-brand{margin-right:16px;font-size:13px;line-height:40px}.topnav-tabs{width:100%;order:3;justify-content:center;height:auto;border-top:1px solid var(--line);overflow-x:auto}.topnav-tab{height:36px;padding:0 14px;font-size:var(--fs-sm)}.topnav-right{height:40px}.topnav-right .topnav-user{display:none}.app-body{margin-top:76px;height:calc(100vh - 76px)}.share-label{display:none}.share-icon{margin-right:0}.overview-view{padding:12px}.overview-search{width:100%}.toolbar-divider{display:none}.student-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.selector-search-wrap{flex:0 0 160px}.service-content{padding:12px}.overview-split,.detail-top-area,.sop-artifact-grid,.ca-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.input,select,textarea{padding:11px 12px;min-height:var(--touch-h)}.btn{padding:11px 16px;min-height:var(--touch-h)}.account-row,.account-add-row{grid-template-columns:1fr}.account-actions{justify-content:flex-start}.log-list{max-height:none}}
@media(max-width:900px){.ca-grid{grid-template-columns:1fr}}
@media(max-width:640px){.login-container{grid-template-columns:1fr}.login-divider{border-left:0;border-top:1px solid var(--line);padding:24px 32px}}
@media(max-width:640px){.file-dropdown-menu{left:auto;right:0}}
@media(max-width:640px){.act-card{flex:0 0 250px;min-width:210px}}

/* ===== Passion Project 重构布局 ===== */
.project-card{padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius);margin-top:12px;background:var(--card-bg,#fff);position:relative;overflow:hidden}
.project-watermark{position:absolute;top:-6px;left:8px;font-size:4rem;font-weight:900;line-height:1;color:var(--line);opacity:0.3;pointer-events:none;user-select:none}
.project-card .kv{grid-template-columns:80px 1fr}
.project-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.project-head-main{flex:1;min-width:0;font-size:var(--fs-md)}
.project-head-input{width:auto;min-width:120px;display:inline;vertical-align:baseline;font-size:inherit;padding:2px 8px;margin-left:4px;border:1px solid var(--line);border-radius:var(--radius-sm)}
.project-actions{display:flex;gap:6px;flex-wrap:wrap;flex-shrink:0}
.project-desc{margin-top:8px;color:var(--text);white-space:pre-wrap;line-height:1.6}
.project-section-label{margin-top:14px;margin-bottom:6px;font-weight:600;font-size:var(--fs-sm);color:var(--muted)}
.project-editing{border-color:var(--primary,#2a9d8f);box-shadow:0 0 0 1px var(--primary,#2a9d8f) inset}
.rt-readonly{border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;line-height:1.7;background:var(--bg-soft,#fafafa)}
.rt-readonly img{max-width:100%;border-radius:var(--radius-sm);margin:8px 0}
.rt-readonly p{margin:4px 0}
.project-add-btn{display:block;width:100%;margin-top:14px;padding:16px;border:2px dashed var(--border);border-radius:var(--radius);background:transparent;color:var(--muted);font-size:var(--fs-md);cursor:pointer;transition:all .15s}
.project-add-btn:hover{border-color:var(--primary,#2a9d8f);color:var(--primary,#2a9d8f);background:var(--bg-soft,#fafafa)}
@media (max-width:640px){
  .project-head{flex-direction:column;align-items:stretch;gap:8px}
  .project-actions{justify-content:flex-start}
  .project-add-btn{padding:14px}
}

/* ===== SOP 事项 action 扩展样式 ===== */
.sop-image-view{display:flex;align-items:center;gap:10px;margin:8px 0 4px;flex-wrap:wrap}
.sop-image-val{min-width:0;color:var(--text);line-height:1.5}
.sop-image-edit{margin:8px 0 4px}
.sop-archive-btns{display:inline-flex;gap:6px;align-items:center;flex-wrap:wrap}
@media (max-width:640px){
  .sop-image-view{flex-direction:column;align-items:stretch}
  .sop-guidance-foot{flex-wrap:wrap;gap:8px}
}

/* ===== SOP 非当前阶段分组折叠 ===== */
details.sop-group-collapsed{margin-bottom:18px;border:1px dashed var(--border);border-radius:var(--radius);padding:0 12px;background:var(--bg-soft,#fafafa)}
details.sop-group-collapsed>summary{cursor:pointer;padding:12px 0;list-style:none;user-select:none;color:var(--muted)}
details.sop-group-collapsed>summary::-webkit-details-marker{display:none}
details.sop-group-collapsed>summary::before{content:'▸ ';color:var(--muted)}
details.sop-group-collapsed[open]>summary::before{content:'▾ '}
details.sop-group-collapsed[open]{background:transparent}
details.sop-group-collapsed[open]>summary{color:var(--text)}