/* Art-specific layout over the shared v4 tokens and components. */
#main.art-stage { overflow:hidden; }
.art-workspace { height:100%; min-height:0; font-family:var(--font); color:var(--ink); }
.art-content { height:100%; min-width:0; min-height:0; display:flex; flex-direction:column; gap:12px; }
.art-status { display:flex; align-items:center; gap:10px; min-height:32px; flex:none; font-size:12px; color:var(--ink-3); }
.art-status > .field { margin-left:auto; }
.art-status .field > span { display:none; }
.art-status select { max-width:155px; height:32px; }
.art-page-heading { display:flex; align-items:center; justify-content:space-between; gap:16px; flex:none; }
.art-page-heading h1 { font-size:28px; line-height:1.2; }
.art-page-heading p { color:var(--ink-3); font-size:13px; margin:5px 0 0; }
.art-page { flex:1; min-height:0; display:flex; flex-direction:column; gap:12px; overflow:auto; }
.art-workspace h2 { font-size:15px; }
.art-workspace .card { padding:16px; border-color:var(--line); border-radius:var(--r-lg); box-shadow:var(--sh-1); }
.art-workspace svg,.art-dialog svg { width:16px; height:16px; flex:none; }
.art-workspace .button,.art-dialog .button { font-size:13px; }
.art-workspace .delete-link,.art-dialog .danger { color:var(--danger); }
.art-workspace .field,.art-dialog .field { min-width:0; font-size:12px; }
.art-workspace input[type=checkbox] { width:15px; height:15px; flex:none; }
.art-workspace .note,.art-workspace .section-description,.selection-meta { font-size:12px; color:var(--ink-3); }
.art-workspace .button-group { display:flex; gap:6px; flex-wrap:wrap; }
.art-selection,.art-selectors,.selection-bar { display:flex; gap:10px; align-items:center; flex:none; }
.art-selectors { flex:1; min-width:0; }
.art-selection .field,.selection-bar .field { flex:1; max-width:280px; }
.art-class-list,.art-assignment-list { display:none; }
.art-toolbar { display:flex; flex-wrap:wrap; align-items:center; gap:8px; flex:none; }
.art-toolbar .field { flex:1; min-width:120px; }
.art-toolbar .field > span { display:none; }
.art-toolbar .seg { flex:none; }
.art-toolbar .seg button { padding:0 10px; }
.art-scope-options { display:flex; gap:10px; flex:none; }.art-scope-options:empty { display:none; }.art-scope-options .field { flex:1; max-width:240px; }
.art-page > .compact-field { flex:none; max-width:240px; }
.art-more { position:relative; flex:none; }
.art-more summary { cursor:pointer; list-style:none; font-size:22px; padding:0 8px; }
.art-more[open] > div { position:absolute; z-index:10; right:0; top:100%; min-width:160px; display:grid; padding:8px; background:var(--surface); box-shadow:var(--sh-2); border:1px solid var(--line); border-radius:var(--r-md); }
.art-kpis { display:grid; grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr)); gap:12px; flex:none; }
.art-kpis .card { height:76px; min-height:76px; padding:10px; }
.art-kpis span,.art-kpis small { font-size:12px; color:var(--ink-3); }
.art-kpis strong { font-family:var(--num); font-variant-numeric:tabular-nums; font-size:26px; line-height:1.2; display:block; }
.art-kpis strong small { margin-left:4px; }
.submission-summary,.grade-summary { display:flex; align-items:center; justify-content:space-between; gap:12px; }
.submission-summary > div:last-child { flex:1; min-width:0; }
.submission-ring { width:52px; height:52px; flex:none; border-radius:50%; background:conic-gradient(var(--accent) var(--rate),var(--bg-2) 0); display:grid; place-items:center; }
.submission-ring span { display:grid; place-items:center; width:40px; height:40px; border-radius:50%; background:var(--surface); color:var(--ink); font-family:var(--num); font-weight:650; }
.distribution-bar { display:flex; height:8px; border-radius:var(--r-pill); overflow:hidden; gap:2px; margin:8px 0; background:var(--bg-2); }
.bg-A { background:var(--gA); }.bg-B { background:var(--gB); }.bg-C { background:var(--gC); }.bg-D { background:var(--gD); }.bg-ungraded { background:var(--line-2); }
.text-A { color:var(--gA); }.text-B { color:var(--gB); }.text-C { color:var(--gC); }.text-D { color:var(--gD); }
.art-roster { flex:1; min-height:0; display:flex; flex-direction:column; gap:8px; }
.roster-tools { display:flex; gap:8px; align-items:center; flex:none; }
.roster-tools .searchbox { flex:1; min-width:0; display:flex; gap:6px; align-items:center; }
.roster-tools > select { width:110px; }
#roster-content,#student-content { min-height:0; flex:1; display:flex; flex-direction:column; }
.selection-count { display:flex; justify-content:space-between; align-items:center; gap:8px; font-size:12px; color:var(--ink-3); min-height:30px; flex:none; }
.selection-count label { display:flex; align-items:center; gap:6px; }
.art-workspace .art-student-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:12px; align-content:start; flex:1; min-height:0; overflow:auto; padding:2px; }
.art-student { height:94px; padding:10px; border:1px solid var(--line); border-radius:var(--r-lg); box-shadow:var(--sh-1); background:var(--surface); min-width:0; display:flex; flex-direction:column; gap:5px; }
.art-student.is-ungraded { border:1px dashed var(--line-2); box-shadow:none; background:transparent; }
.art-student.is-focused { outline:2px solid var(--accent); outline-offset:-1px; }
.student-label { display:flex; align-items:center; gap:7px; min-width:0; }
.student-avatar { display:grid; place-items:center; width:30px; height:30px; flex:none; border-radius:50%; background:var(--bg-2); color:var(--ink-2); font-size:14px; }
.student-identity { flex:1; min-width:0; }
.student-name { font-size:14px; font-weight:600; text-align:left; max-width:100%; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.student-identity small { display:block; color:var(--ink-3); font:12px var(--num); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.student-thumbnail { width:28px; height:28px; flex:none; }
.student-thumbnail img { width:100%; height:100%; object-fit:cover; border-radius:var(--r-sm); }
.art-student .student-label { gap:4px; min-height:32px; }
.art-student input[type=checkbox] { margin:0; }
.art-student .student-avatar { width:24px; height:24px; font-size:12px; }
.art-student .student-thumbnail { width:24px; height:24px; }
.student-status { flex:none; font-size:11px; color:var(--ink-3); white-space:nowrap; border-radius:var(--r-sm); }
.student-status:hover { color:var(--ink); text-decoration:underline; }
.art-student .grade-buttons { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:4px; margin-top:auto; }
.art-student .grade-buttons button { width:auto; height:30px; border-radius:var(--r-sm); background:var(--surface); border:1px solid var(--line); color:var(--ink-3); font:650 13px var(--num); }
.art-student .grade-a { --grade:var(--gA); }.art-student .grade-b { --grade:var(--gB); }.art-student .grade-c { --grade:var(--gC); }.art-student .grade-d { --grade:var(--gD); }
.art-student .grade-buttons button[aria-pressed=true] { background:var(--grade); border-color:var(--grade); color:var(--surface); box-shadow:none; }
.art-student .grade-buttons button:hover { border-color:var(--grade); }
.art-workspace .pagination { margin-top:auto; display:flex; justify-content:space-between; gap:8px; min-height:40px; flex:none; padding:6px 0; font-size:12px; }
.pagination > div { display:flex; gap:6px; }
.assignment-heading,.card-heading { display:flex; align-items:center; justify-content:space-between; gap:10px; flex:none; }
.art-workspace .card-heading { margin-bottom:8px; }
.assignment-heading p,.assignment-heading small { font-size:12px; color:var(--ink-3); }
.management-card { min-height:0; flex:1; display:flex; flex-direction:column; gap:8px; }
#student-content { overflow:auto; }
.student-columns,.manage-student { display:grid; grid-template-columns:40px minmax(0,1fr) 100px 115px; gap:8px; align-items:center; min-height:48px; border-bottom:1px solid var(--line); font-size:13px; flex:none; }
.student-columns { min-height:32px; color:var(--ink-3); background:var(--surface-2); font-size:12px; }
.student-actions { display:flex; gap:4px; }.student-actions svg { display:none; }
.student-number { color:var(--ink-3); font-family:var(--num); }
.assignments-list { display:flex; flex-direction:column; gap:10px; min-height:0; overflow:auto; }
.art-workspace .assignment-card { display:flex; gap:16px; align-items:center; min-height:108px; flex:none; }
.assignment-number { font:26px var(--num); color:var(--accent); }
.assignment-info { flex:1; min-width:0; }
.assignment-title { text-align:left; font-weight:600; max-width:100%; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.assignment-title svg { display:inline-block; vertical-align:middle; }
.assignment-info p,.assignment-meta { font-size:12px; color:var(--ink-3); }
.assignment-description { overflow:hidden; white-space:nowrap; text-overflow:ellipsis; }
.assignment-meta { display:flex; flex-wrap:wrap; gap:10px; }
.assignment-actions { text-align:right; }.assignment-buttons { display:flex; gap:4px; margin-top:5px; }.assignment-buttons svg { display:none; }
.art-workspace .gallery { min-height:0; flex:1; display:flex; flex-direction:column; gap:10px; }
.art-gallery-scroll { flex:1; min-height:0; overflow:auto; }
.art-grid { columns:220px; column-gap:16px; }
.art-tile { display:inline-block; width:100%; break-inside:avoid; border:1px solid var(--line); border-radius:var(--r-md); padding:8px; margin-bottom:16px; background:var(--surface); text-align:left; box-shadow:var(--sh-1); }
.art-tile img { display:block; width:100%; height:auto; max-height:360px; object-fit:contain; border-radius:var(--r-sm); background:var(--bg-2); }
.art-tile strong,.art-tile small { display:block; margin-top:6px; }.art-tile small { color:var(--ink-3); }
.gallery-note,.gallery-empty { font-size:12px; color:var(--ink-3); }.gallery-empty { text-align:center; margin:auto; }.gallery-empty svg { margin:0 auto 10px; }
.stats-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:12px; }
.stat-card { font-size:12px; color:var(--ink-3); }.stat-card strong { display:block; font:30px var(--num); color:var(--ink); }.stat-card small { font-size:12px; }
.distribution-values { display:flex; justify-content:space-between; gap:8px; }.distribution-values > div { display:flex; gap:6px; font-size:12px; }.distribution-values strong { font-size:17px; }
.class-overview { flex:1; min-height:0; display:flex; flex-direction:column; }.class-stat-list { overflow:auto; }
.class-stat { width:100%; min-height:64px; border-bottom:1px solid var(--line); font-size:13px; text-align:left; }
.class-stat > div { display:flex; justify-content:space-between; }.class-stat-note { font-size:12px; color:var(--ink-3); }
.class-stat .progress { display:block; height:6px; background:var(--bg-2); border-radius:var(--r-pill); overflow:hidden; margin:6px 0; }.progress span { display:block; height:100%; background:var(--accent); }
.art-detail,.art-profile { height:100%; display:flex; flex-direction:column; gap:12px; min-height:0; }
.art-detail > img { min-height:0; flex:1; width:100%; object-fit:contain; }
.art-profile-list { flex:1; min-height:0; overflow:auto; }.art-profile-list article { min-height:48px; display:flex; align-items:center; gap:12px; border-bottom:1px solid var(--line); font-size:13px; }.art-profile-list article > strong { flex:1; min-width:0; overflow-wrap:anywhere; }.art-profile-list article > div { display:flex; gap:4px; }.art-profile-list img { width:32px; height:32px; object-fit:cover; }
.art-workspace .empty-state { margin:auto; }.inline-empty { padding:24px; color:var(--ink-3); text-align:center; }
.art-club-toolbar { flex:none; }.art-club-members { flex:1; min-height:0; display:flex; flex-direction:column; }.art-club-member-list { flex:1; min-height:0; overflow:auto; }
.art-club-member { display:flex; align-items:center; gap:10px; min-height:56px; border-bottom:1px solid var(--line); font-size:13px; }.art-club-member > div { flex:1; min-width:0; overflow-wrap:anywhere; }.art-club-member small { display:block; color:var(--ink-3); font-size:12px; }.art-club-member .badge { flex:none; }
.art-member-candidates { max-height:32dvh; overflow:auto; display:grid; gap:8px; }.art-member-candidates label { display:flex; align-items:center; gap:8px; font-size:13px; overflow-wrap:anywhere; }
.art-dialog { max-width:min(600px,94vw); width:600px; max-height:90dvh; overflow:auto; padding:0; }
.art-dialog .dialog-heading,.art-dialog .dialog-footer { display:flex; align-items:center; justify-content:space-between; gap:12px; padding:16px; border-bottom:1px solid var(--line); }.art-dialog h2 { font-size:18px; }
.art-dialog [data-action="close-dialog"] svg { transform:rotate(45deg); }
.art-dialog .dialog-body { padding:18px; display:grid; gap:14px; }.art-dialog .dialog-footer { justify-content:flex-end; border-top:1px solid var(--line); }
.art-dialog p,.art-dialog .note { font-size:13px; line-height:1.6; }.art-dialog .note { color:var(--ink-3); }.art-dialog .form-error { color:var(--danger); }
.art-dialog .upload-options,.art-dialog .backup-buttons { display:flex; flex-wrap:wrap; gap:8px; }.art-dialog .upload-preview img { max-width:100%; max-height:30vh; object-fit:contain; }.art-dialog .upload-preview span { display:block; }.art-dialog .info-box { display:flex; gap:12px; background:var(--accent-soft); padding:12px; border-radius:var(--r-md); }
@media (width < 1100px) {
 .art-content,.art-page { gap:10px; }
 .art-kpis { gap:8px; }.art-kpis .card { padding:10px; }.submission-summary { gap:6px; }.submission-ring { width:44px; height:44px; }.submission-ring span { width:34px; height:34px; font-size:11px; }
 .art-toolbar .seg { order:3; }.art-toolbar .primary { margin-left:auto; }
 .art-workspace .art-student-grid { grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); }
 .assignment-buttons { flex-wrap:wrap; justify-content:flex-end; }.assignment-actions { max-width:170px; }
}
/* Keep the grading controls compact without changing the other art pages. */
[data-art-page="grading"] .art-content,
[data-art-page="grading"] .art-page { gap:4px; }
@media (width >= 640px) {
 [data-art-page="grading"] .art-page-heading > div { display:flex; align-items:baseline; flex-wrap:wrap; gap:4px 12px; }
 [data-art-page="grading"] .art-page-heading p { margin:0; }
 [data-art-page="grading"] .art-toolbar select,
 [data-art-page="grading"] .roster-tools input,
 [data-art-page="grading"] .roster-tools > select { height:32px; }
 [data-art-page="grading"] .art-toolbar .seg { padding-block:1px; }
 .art-kpis .grade-summary { gap:6px; }
 .art-kpis .grade-summary > div { min-width:0; }
}
@media (width < 640px) {
 .art-page-heading { align-items:flex-start; }.art-page-heading h1 { font-size:24px; }.art-page-heading p { font-size:12px; }
 .art-kpis,.stats-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .art-workspace .art-student-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .selection-count { flex-wrap:wrap; }.student-columns,.manage-student { grid-template-columns:28px minmax(0,1fr) 100px; }.joined,.student-columns > span:nth-child(3) { display:none; }
 .selection-bar { flex-wrap:wrap; }.distribution-values { flex-wrap:wrap; }.roster-tools { flex-wrap:wrap; }
}
/* Quick grading owns its bounded roster and photo controls. */
#main.art-stage:has(> .quick-picker) { height: 100%; overflow: hidden; box-sizing: border-box; }
.quick-picker { height: 100%; min-height: 0; display: flex; flex-direction: column; gap: 10px; }
.quick-picker-head { flex: none; display: grid; gap: 8px; }
.quick-picker-head h2, .quick-picker-head p { margin: 0; }
.quick-picker-head .muted { font-size: 12px; }
.quick-count { font-size: 13px; color: var(--g11); }
.quick-grid { min-height: 0; overflow-y: auto; align-content: start; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; padding: 2px; }
.quick-grid .quick-student { position: relative; height: 88px; min-height: 88px; min-width: 0; padding: 10px 6px; display: flex; flex-direction: column; align-items: stretch; justify-content: center; gap: 5px; text-align: left; background: var(--surface); border: 1px solid var(--g6); }
.quick-student strong { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 14px; }
.quick-number { color: var(--g11); font-size: 11px; padding-right: 22px; }
.quick-grade { position: absolute; top: 6px; right: 5px; border-radius: var(--r-sm); padding: 2px 5px; font-size: 11px; }
.quick-grade.grade-a { color: var(--grade-a); background: var(--grade-a-bg); }
.quick-grade.grade-b { color: var(--grade-b); background: var(--grade-b-bg); }
.quick-grade.grade-c { color: var(--grade-c); background: var(--grade-c-bg); }
.quick-grade.grade-d { color: var(--grade-d); background: var(--grade-d-bg); }
.quick-grid .is-ungraded { border-style: dashed; }
.quick-ungraded { font-size: 10px; color: var(--g11); }
.quick-grades { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; }
.quick-grades label { display: grid; place-items: center; min-height: 56px; border: 1px solid var(--g6); border-radius: var(--r-sm); }
[data-quick-photo][aria-disabled="true"] { opacity: .6; cursor: not-allowed; }
@media (min-width: 360px) { .quick-grid { grid-template-columns: repeat(4,minmax(0,1fr)); } }