/* Classes & rooms, roster placement and staging-plan start. Page-scoped (dc-*) so the shared school shell keeps control of layout. */
.dc-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px}.dc-head h1{margin:0}.dc-head p{margin:6px 0 0;color:var(--muted)}
.dc-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.dc-actions .button,.dc-actions button{margin:0}
.dc-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;margin:20px 0;min-width:0}.dc-card h2{margin:0 0 10px}.dc-card>p{margin:0 0 12px}
.dc-table-wrap{overflow-x:auto;max-width:100%}.dc-table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}.dc-table th{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.dc-table td{padding:12px 10px;border-bottom:1px solid #e6eaf0;vertical-align:top;text-align:left}.dc-table tr:last-child td{border-bottom:none}.dc-table td button{min-height:44px;padding:8px 14px;margin:0 6px 6px 0}
.dc-sub{display:block;font-size:.85rem;color:var(--muted)}.dc-mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}
.dc-pill{display:inline-block;border-radius:999px;padding:3px 10px;font-size:.8rem;font-weight:700;white-space:nowrap;background:#e6eaf0;color:#0e1a2b}.dc-pill.ok{background:#e3f1ea;color:#14532d}.dc-pill.warn{background:#fff1e8;color:#9a3412}.dc-pill.grey{background:#eef1f5;color:#4a5568}.dc-pill.new{background:#ffc21a;color:#0e1a2b}
.dc-banner{border:1.5px solid var(--line);border-radius:14px;padding:14px 16px;margin:16px 0;background:#fff}.dc-banner h2,.dc-banner h3{margin:0 0 6px;font-size:1.05rem}.dc-banner p{margin:0 0 8px}.dc-banner.error{background:#ffe7e7;border-color:#f2b8b8}.dc-banner.error h2{color:#b91c1c}.dc-banner.success{border-color:#0e1a2b}.dc-banner.warn{background:#fff4d1;border-color:#e8c35a}
.dc-empty{display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding:12px 0}
.dc-dialog{max-width:560px}.dc-dialog form{display:block}.dc-dialog .dc-actions{justify-content:flex-start;margin-top:8px}.dc-hint{font-size:.9rem;color:var(--muted);margin:-8px 0 14px}
.dc-list{margin:8px 0;padding-left:20px}.dc-list li{margin-bottom:8px}
@media(max-width:640px){.dc-table.dc-stack thead{display:none}.dc-table.dc-stack tr{display:block;padding:12px 0;border-bottom:1px solid #e6eaf0}.dc-table.dc-stack tr:last-child{border-bottom:none}.dc-table.dc-stack td{display:block;border:none;padding:4px 0}.dc-table.dc-stack td[data-label]::before{content:attr(data-label);display:block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}}
@media(max-width:520px){.dc-card{padding:16px}.dc-actions{width:100%}}