.account-form input{border:1px solid var(--line);border-radius:8px;padding:10px 12px;min-height:44px;background:var(--card)}
.account-shell{max-width:520px;margin:64px auto;padding:28px;background:var(--card);border:1px solid var(--line);border-radius:12px}
.account-shell h1{margin-bottom:12px}.account-shell .hint{margin-bottom:20px}.account-form{display:grid;gap:16px}.account-form label{display:grid;gap:6px;font-weight:500}.account-form .status-line{min-height:24px;color:var(--orange)}
.account-form .form-actions{display:flex;gap:12px;flex-wrap:wrap}.account-dialog{border:1px solid var(--line);border-radius:12px;padding:24px;width:min(480px,calc(100% - 32px));max-height:calc(100vh - 32px);overflow:auto;color:var(--ink)}
.account-dialog::backdrop{background:rgb(15 23 42 / .4)}.account-dialog h2{margin-bottom:16px}.account-layout{display:grid;grid-template-columns:minmax(280px,360px) minmax(0,1fr);gap:24px;align-items:start}.account-panel{padding:24px;background:var(--card);border:1px solid var(--line);border-radius:12px}.account-panel h2{margin-bottom:16px}.account-actions{display:flex;gap:8px;flex-wrap:wrap}.account-table td,.account-table th{padding:14px;text-align:left;border-bottom:1px solid var(--line)}.account-table{width:100%;border-collapse:collapse}.account-table small{display:block;color:var(--muted)}
@media(max-width:800px){.account-layout{grid-template-columns:1fr}.account-shell{margin:24px 16px}}

.account-panel .button{min-height:44px}
@media(max-width:600px){
  .account-table thead{display:none}
  .account-table tbody tr{display:grid;grid-template-columns:minmax(0,1fr) auto;padding:16px 0;border-bottom:1px solid var(--line);gap:12px}
  .account-table tbody tr:last-child{border-bottom:0}
  .account-table td{padding:0;border:0;min-width:0}
  .account-table td:last-child{grid-column:1 / -1}
  .account-table .account-actions{gap:8px}
}

/* Application shell: navigation, dataset context and personal actions have distinct roles. */
.app-header.topbar{padding:0 max(24px,calc((100vw - 1440px)/2 + 24px));min-height:72px;gap:32px;flex-wrap:nowrap}
.app-header .brand{font-size:17px;gap:10px}.app-header .brand-mark{width:32px;height:32px;border-radius:8px}.app-header .brand small{font-size:12px}
.app-header nav{flex:1;display:flex;align-self:stretch;align-items:center;gap:24px;flex-wrap:nowrap;width:auto;justify-content:flex-start}
.app-header nav a{height:72px;display:inline-flex;align-items:center;padding:0 2px;border-radius:0;border-bottom:2px solid transparent;font-size:14px;font-weight:500;white-space:nowrap}
.app-header nav a:hover{background:transparent;color:var(--ink)}.app-header nav a.active{background:transparent;border-bottom-color:var(--blue);color:var(--blue);font-weight:650}
.header-controls{display:flex;align-items:center;gap:20px;flex-shrink:0}
.dataset-control{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);white-space:nowrap}
.dataset-control select{border:1px solid var(--line);border-radius:7px;background:var(--bg);padding:8px 26px 8px 10px;min-height:40px;max-width:180px;color:var(--ink);font-size:13px;cursor:pointer}
.dataset-control select:disabled{opacity:1;cursor:default;color:var(--ink)}
.header-dropdown{position:relative}.header-dropdown summary{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;list-style:none;cursor:pointer;user-select:none;white-space:nowrap;border-radius:8px}
.header-dropdown summary::-webkit-details-marker{display:none}.header-dropdown summary:hover{background:var(--bg)}
.account-menu summary{padding:4px 8px;max-width:180px;font-size:13px;color:var(--ink)}
.account-avatar{display:grid;place-items:center;flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:650}
.account-trigger-name{overflow:hidden;text-overflow:ellipsis;max-width:100px}
.dropdown-panel{position:absolute;right:0;top:calc(100% + 8px);width:200px;padding:6px;background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 28px rgb(30 41 59 / .12);z-index:15}
.dropdown-panel a,.dropdown-panel button{display:flex;align-items:center;text-decoration:none;width:100%;min-height:44px;padding:10px 12px;border:0;border-radius:6px;background:transparent;color:var(--ink);font:inherit;font-size:14px;text-align:left;white-space:nowrap}
.dropdown-panel a:hover,.dropdown-panel button:hover{background:var(--bg)}.dropdown-panel .logout-action{border-top:1px solid var(--line);border-radius:0;margin-top:4px;color:var(--muted)}
.dropdown-identity{display:grid;gap:2px;padding:10px 12px 12px;border-bottom:1px solid var(--line);margin-bottom:4px;overflow-wrap:anywhere}.dropdown-identity strong{font-size:13px}.dropdown-identity span{font-size:12px;color:var(--muted)}
.share-menu summary{font-size:14px;color:var(--muted);padding:9px 12px;border:1px solid transparent}
.share-menu[open] summary{background:var(--card);border-color:var(--line);color:var(--ink)}
.account-feedback{font-size:13px;color:var(--green);overflow-wrap:anywhere;padding:10px 14px;background:var(--green-soft);border-radius:8px;margin-bottom:16px}.account-feedback:empty{display:none}
.page-head{margin-top:4px;margin-bottom:24px}.page-actions{gap:8px}
.button.secondary{border-color:var(--line);color:var(--ink)}.button.secondary:hover{background:var(--bg)}
@media(max-width:1100px){.app-header.topbar{gap:20px}.app-header .brand small{display:none}.app-header nav{gap:16px}.header-controls{gap:10px}.dataset-control>span{display:none}.dataset-control select{max-width:140px}}
@media(max-width:800px){
  .app-header.topbar{padding:12px 16px 0;gap:0 12px;display:grid;grid-template-columns:minmax(0,1fr) auto;min-height:0}
  .app-header .brand{grid-column:1;grid-row:1;font-size:16px}.header-controls{grid-column:2;grid-row:1;gap:6px}
  .account-trigger-name,.account-menu summary>svg{display:none}.account-menu summary{padding:4px 6px;min-width:40px}
  .dataset-control select{max-width:120px;min-height:40px;font-size:12px}
  .app-header nav{grid-column:1/-1;grid-row:2;gap:24px;margin-top:8px;width:100%;justify-content:flex-start;flex-wrap:nowrap}
  .app-header nav a{height:44px;padding:0 0 10px;font-size:13px}
  .page-head{align-items:flex-start;gap:16px;margin-top:0}.page-actions{align-items:center}
}
@media(max-width:700px){.page-actions{width:100%}.page-actions>button{flex:0 1 auto}.page-actions .upload-button{margin-left:auto}.share-menu summary{padding-left:0}.share-menu .dropdown-panel{left:0;right:auto}}

.shared-library-context{font-size:12px;color:var(--muted);padding:6px 10px;background:var(--bg);border-radius:6px;white-space:nowrap}
.missing-dialog{width:760px;max-width:calc(100vw - 28px);max-height:85dvh;border-radius:12px;overflow:auto}
.missing-content{padding:20px 24px}.missing-toolbar{display:flex;align-items:center;gap:16px;margin:18px 0 12px;flex-wrap:wrap}
.missing-toolbar label{display:flex;gap:10px;align-items:center;font-size:14px}.missing-toolbar select{min-height:44px;border:1px solid var(--line);border-radius:8px;padding:8px 12px;background:var(--card)}
.missing-table-scroll{max-height:300px;overflow:auto;margin:16px 0;border:1px solid var(--line);border-radius:8px}
.missing-table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}.missing-table th,.missing-table td{padding:12px 14px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}
.missing-table th{position:sticky;top:0;background:var(--bg);color:var(--muted);font-weight:500}.missing-table th:nth-child(2){width:40%}
.missing-ids{display:grid;gap:8px;font-size:13px;color:var(--muted)}.missing-ids textarea{width:100%;resize:vertical;min-height:80px;border:1px solid var(--line);border-radius:8px;padding:10px;font:13px/1.6 ui-monospace,monospace;color:var(--ink);background:var(--bg)}
.missing-actions [data-export-all]{margin-right:auto}
.missing-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;flex-wrap:wrap}
@media(max-width:600px){.missing-content{padding:16px}.missing-table{table-layout:fixed}.missing-table th,.missing-table td{padding:10px 8px}.missing-actions>*{flex:1}.missing-table .empty{padding:24px 12px!important}}