/* V31 — admin-approved grade changes + back button polish */
.v31-hidden-grade-field{display:none!important}
.v31-grade-request-field{grid-column:1/-1;padding:14px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2);margin-bottom:13px}
.v31-grade-controls{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end}
.v31-grade-controls select{border:1px solid var(--line);border-radius:6px;padding:12px 13px;background:var(--surface);color:var(--text);width:100%}
.v31-grade-help{margin-top:8px}.v31-grade-help>small{color:var(--muted)}
.v31-grade-state{padding:9px 11px;border-radius:8px;font-size:12px;font-weight:700}
.v31-grade-state.pending{background:#fff7dd;color:#7b5c00;border:1px solid #ecd88a}
.v31-grade-state.approved{background:#eaf8f2;color:#137455;border:1px solid #a7dcc8}
.v31-grade-state.rejected{background:#fff0f1;color:#a4212b;border:1px solid #efb4b8}
.v31-admin-grade-panel{margin-bottom:18px}.v31-grade-list{display:grid;gap:10px}
.v31-grade-row{display:grid;grid-template-columns:minmax(220px,1fr) auto auto;gap:14px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2)}
.v31-grade-student{display:grid;gap:3px}.v31-grade-student small{color:var(--muted)}
.v31-grade-move{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--ink)}
.v31-grade-error{grid-column:1/-1;color:var(--danger);font-size:12px;font-weight:700}
.ks-dashboard-tools>.v31-back-button{border-radius:8px!important;background:rgba(255,255,255,.08)!important;border-color:rgba(255,255,255,.22)!important;color:#fff!important;box-shadow:none!important;display:flex!important;align-items:center;justify-content:center;gap:7px;font-size:14px!important;font-weight:800!important;line-height:1!important}
.ks-dashboard-tools>.v31-back-button:hover{background:#16b99b!important;border-color:#72ead3!important;color:#fff!important;transform:none!important}
@media(min-width:981px){.ks-dashboard-tools>.v31-back-button{width:100%!important;height:42px!important;min-height:42px!important}.v31-back-label{display:inline}}
@media(max-width:980px){.ks-dashboard-tools>.v31-back-button{width:36px!important;height:36px!important;min-height:36px!important;padding:0!important}.v31-back-label{display:none}}
@media(max-width:760px){.v31-grade-controls{grid-template-columns:1fr}.v31-grade-controls .btn{width:100%}.v31-grade-row{grid-template-columns:1fr}.v31-grade-row .inline-actions{width:100%}.v31-grade-row .inline-actions .btn{flex:1}.v31-grade-move{justify-content:flex-start}}