/* 分组与小组评价 */
.seat.grouped{}
.role-badges{position:static;display:flex;flex-direction:row;align-items:center;justify-content:center;gap:4px;z-index:2;max-width:78px;overflow:hidden;flex-wrap:wrap}.role-badge{display:inline-flex;align-items:center;justify-content:center;min-width:0;max-width:44px;padding:3px 6px;border-radius:999px;font-size:9px;font-weight:900;line-height:1.15;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;box-shadow:0 1px 3px rgba(0,0,0,.1)}.role-badge.rep{background:#ffe484;color:#6d4a00;border:1px solid #e2c14c}.role-badge.leader{background:color-mix(in srgb,var(--group-color,#6c7bd9) 78%,#0ea5a6);color:#fff;border:1px solid rgba(255,255,255,.7)}
.group-overlay-layer{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:visible}.group-overlay{position:absolute;border:2px solid color-mix(in srgb,var(--group-color,#6c7bd9) 82%,white);border-radius:15px;background:color-mix(in srgb,var(--group-color,#6c7bd9) 10%,transparent);box-shadow:0 3px 10px rgba(24,32,51,.055);pointer-events:none}.group-overlay-label{position:absolute;left:50%;transform:translateX(-50%);padding:2px 8px;border-radius:999px;background:#fff;color:color-mix(in srgb,var(--group-color,#6c7bd9) 90%,#182033);font-size:12.5px;font-weight:900;line-height:19px;white-space:nowrap;box-shadow:0 1px 4px rgba(24,32,51,.08)}.group-overlay.label-above .group-overlay-label{top:-25px}.group-overlay.label-below .group-overlay-label{bottom:-25px}
.seat.group-highlight{outline:4px solid var(--group-color,#6c7bd9);outline-offset:2px;transform:translateY(-2px);z-index:3}.seat.group-dim{opacity:.3;filter:saturate(.65)}
.group-panel{display:flex;flex-direction:column;gap:7px}.group-panel-head{display:flex;gap:6px;align-items:center;margin-bottom:7px}.group-panel-head select{min-width:0;flex:1;height:32px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:0 7px;font-size:11px}
.group-card{position:relative;border:1px solid #e1e6ef;border-left:5px solid var(--group-color,#6c7bd9);border-radius:10px;background:#fff;padding:8px;cursor:pointer;transition:.15s}.group-card:hover{transform:translateY(-1px);box-shadow:var(--soft)}.group-card.active{box-shadow:0 0 0 2px color-mix(in srgb,var(--group-color) 35%,transparent)}
.group-card-top{display:flex;align-items:center;gap:6px}.group-card-top strong{font-size:12px;flex:1}.group-members{font-size:10px;color:var(--muted)}.group-score{font-size:18px;font-weight:850;color:var(--group-color,#425ca3)}.group-score small{font-size:9px;color:var(--muted);font-weight:500}
.group-card-actions{display:flex;gap:5px;margin-top:7px}.group-card-actions button{flex:1;border:1px solid #e1e6ee;background:#f9fafc;border-radius:7px;padding:4px 3px;font-size:10px}.group-card-actions button:hover{background:#eef2f8}.group-card-actions .eval{color:#3157d5}
.group-manage-grid{display:grid;grid-template-columns:260px 1fr;gap:12px;margin-top:12px}.group-plan-list{border:1px solid var(--line);border-radius:12px;padding:10px;background:#fafbfe}.group-plan-item{display:flex;align-items:center;gap:6px;padding:7px;border-radius:8px;cursor:pointer;font-size:12px}.group-plan-item:hover,.group-plan-item.active{background:#eef2ff}.group-plan-item strong{flex:1}.group-student-list{border:1px solid var(--line);border-radius:12px;overflow:auto;max-height:52vh}.group-student-row{display:grid;grid-template-columns:45px 1fr 90px 125px 72px;gap:7px;align-items:center;padding:7px 9px;border-bottom:1px solid #edf0f5;font-size:12px}.group-student-row.header{position:sticky;top:0;z-index:2;background:#f8fafc;font-weight:800;color:#596579}.group-student-row:last-child{border-bottom:0}.group-student-row select{height:31px;border:1px solid var(--line);border-radius:7px;background:#fff;padding:0 6px}.group-dot{width:10px;height:10px;border-radius:50%;display:inline-block;background:var(--group-color,#6c7bd9)}
.group-eval-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:10px 0}.group-eval-preset{border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px 6px;font-size:12px}.group-eval-preset:hover{background:#f5f7fb}.group-eval-history{display:flex;flex-direction:column;gap:7px;max-height:55vh;overflow:auto}.group-history-row{display:grid;grid-template-columns:130px 90px 60px 1fr;gap:8px;align-items:center;border:1px solid #e6eaf1;border-radius:9px;padding:8px;font-size:11px;background:#fff}.group-delta.pos{color:#16794a;font-weight:800}.group-delta.neg{color:#b63d46;font-weight:800}
@media(max-width:760px){.group-manage-grid{grid-template-columns:1fr}.group-eval-presets{grid-template-columns:repeat(2,1fr)}.group-history-row{grid-template-columns:90px 70px 50px 1fr}}


/* 多选式分组管理 */
.group-manage-grid{grid-template-columns:240px 1fr}.group-workspace{display:flex;flex-direction:column;gap:10px}.group-select-toolbar{display:flex;align-items:center;gap:7px;flex-wrap:wrap;padding:9px;border:1px solid var(--line);border-radius:11px;background:#f8fafc}.group-select-toolbar .selection-count{font-size:12px;font-weight:850;color:#3157d5;margin-right:auto}.group-picker{display:grid;grid-template-columns:repeat(auto-fill,minmax(145px,1fr));gap:8px;max-height:330px;overflow:auto;padding:2px}.group-pick-card{position:relative;border:1px solid #dde4ef;border-radius:11px;background:#fff;padding:9px 9px 8px 34px;cursor:pointer;min-height:58px;transition:.14s}.group-pick-card:hover{box-shadow:var(--soft);transform:translateY(-1px)}.group-pick-card.selected{border-color:#3157d5;box-shadow:0 0 0 2px rgba(49,87,213,.14);background:#f3f6ff}.group-pick-card.unavailable{opacity:.48;cursor:not-allowed;background:#f4f5f7}.group-pick-card .pick-check{position:absolute;left:10px;top:18px;width:16px;height:16px}.group-pick-card strong{display:block;font-size:12px}.group-pick-card small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.group-pick-card .existing-group{display:inline-block;margin-left:4px;padding:1px 5px;border-radius:999px;color:#fff;font-size:9px;font-weight:800;background:var(--group-color,#6c63d9)}.group-existing-list{display:flex;flex-direction:column;gap:8px}.group-manage-card{border:1px solid #e0e6ef;border-left:5px solid var(--group-color,#6c63d9);border-radius:11px;background:#fff;padding:9px}.group-manage-card-head{display:flex;align-items:center;gap:7px}.group-manage-card-head strong{flex:1;font-size:13px}.group-manage-members{display:flex;flex-wrap:wrap;gap:5px;margin-top:7px}.group-member-chip{padding:4px 7px;border-radius:999px;background:#f4f6fa;border:1px solid #e1e6ef;font-size:10px}.group-manage-actions{display:flex;gap:5px;flex-wrap:wrap;margin-top:8px}.group-manage-actions button,.group-manage-actions select{height:29px;border:1px solid var(--line);border-radius:7px;background:#fff;padding:0 7px;font-size:10px}.group-manage-actions select{min-width:105px}.group-edit-note{padding:7px 9px;border-radius:8px;background:#fff8e8;color:#85500a;font-size:11px}.group-color-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin:10px 0}.group-color-choice{height:38px;border-radius:9px;border:3px solid transparent;cursor:pointer;background:var(--choice-color)}.group-color-choice.selected{border-color:#182033;box-shadow:0 0 0 2px #fff inset}.group-seat-select-bar{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);z-index:90;background:#182033;color:#fff;padding:10px 12px;border-radius:14px;box-shadow:0 16px 45px rgba(0,0,0,.28);display:flex;align-items:center;gap:9px}.group-seat-select-bar.hidden{display:none}.group-seat-select-bar strong{font-size:12px}.group-seat-select-bar button{height:32px;border-radius:8px;border:1px solid rgba(255,255,255,.25);background:#fff;color:#182033;padding:0 10px}.seat.group-pickable{cursor:pointer}.seat.group-pick-selected{outline:4px solid #3157d5;outline-offset:2px;z-index:4}.seat.group-pick-unavailable{opacity:.42}.seat.desktop-selected{outline:4px solid #6d5dfc;outline-offset:2px;z-index:6;box-shadow:0 0 0 3px rgba(109,93,252,.18),0 9px 20px rgba(49,87,213,.15)}.seat.desktop-selected::after{content:"✓";position:absolute;right:-7px;bottom:-7px;width:23px;height:23px;border-radius:50%;display:grid;place-items:center;background:#6d5dfc;color:#fff;font-size:13px;font-weight:900;border:3px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,.2)}.seat-selection-box{position:fixed;z-index:110;pointer-events:none;border:2px solid #6d5dfc;background:rgba(109,93,252,.13);border-radius:4px;display:none}.seat-selection-box.show{display:block}.group-create-summary{display:flex;flex-wrap:wrap;gap:6px;padding:8px;border-radius:9px;background:#f7f9fc;max-height:120px;overflow:auto}.group-create-summary span{font-size:11px;padding:4px 7px;border-radius:999px;background:#fff;border:1px solid #e1e6ef}@media(max-width:760px){.group-manage-grid{grid-template-columns:1fr}.group-picker{grid-template-columns:repeat(2,minmax(0,1fr))}.group-color-grid{grid-template-columns:repeat(4,1fr)}}

.identity-context-menu{position:fixed;z-index:120;display:none;min-width:230px;max-width:280px;background:#fff;border:1px solid #d9e0ea;border-radius:12px;box-shadow:0 16px 46px rgba(15,23,42,.22);padding:8px;user-select:none}.identity-context-menu.show{display:block}.identity-context-head{padding:7px 8px 8px;border-bottom:1px solid #edf0f5;margin-bottom:6px}.identity-context-head strong{display:block;font-size:13px;color:#182033}.identity-context-head small{display:block;margin-top:3px;font-size:10px;color:#697386}.identity-context-action{width:100%;border:0;background:#fff;border-radius:8px;padding:9px 10px;text-align:left;font-size:12px;color:#253047}.identity-context-action:hover:not(:disabled){background:#f1f5ff;color:#2948b2}.identity-context-action.active{font-weight:800;color:#85500a;background:#fff9e9}.identity-context-action:disabled{color:#a1a8b3;background:#fafbfc;cursor:not-allowed}.identity-context-hint{padding:6px 9px 4px;font-size:10px;line-height:1.45;color:#7a8495}.identity-context-sep{height:1px;background:#edf0f5;margin:5px 0}