/* ============================================================
   v3 追加样式（与 style.css 一起引入）
   ============================================================ */

/* 学员题组卡片 */
.group-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.group-card {
    background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
    padding: 22px; border-top: 4px solid var(--line); position: relative;
}
.group-card.passed { border-top-color: var(--success); }
.group-card.notpass { border-top-color: var(--warning); }
.group-card h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.group-card .desc { font-size: 13px; color: var(--ink-3); margin-bottom: 14px; min-height: 20px; }
.group-card .meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.group-card .meta span {
    font-size: 12px; background: var(--bg); color: var(--ink-2);
    padding: 4px 10px; border-radius: 6px;
}
.group-card .best { font-size: 13px; color: var(--ink-3); margin-bottom: 14px; }
.group-card .best b { font-size: 20px; color: var(--ink); }
.group-card .done { position: absolute; top: 16px; right: 16px; }

/* 顶部学员信息条 */
.stu-bar {
    display: flex; align-items: center; justify-content: space-between;
    gap: 14px; flex-wrap: wrap; margin-bottom: 20px;
}
.stu-idcard { display: flex; align-items: center; gap: 12px; }
.stu-idcard .ava {
    width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
    background: linear-gradient(135deg, var(--brand), #60a5fa);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 17px; font-weight: 700;
}
.stu-idcard .nm { font-size: 17px; font-weight: 700; line-height: 1.3; }
.stu-idcard .ac { font-size: 12.5px; color: var(--ink-3); }

/* 倒计时 */
.timer.urgent { border-color: var(--danger); color: var(--danger); background: var(--danger-bg); }
.timer.urgent .dot { background: var(--danger); }

/* 通过 / 未通过 横幅 */
.verdict {
    text-align: center; padding: 18px; border-radius: 12px; margin-bottom: 20px;
    font-size: 17px; font-weight: 800; letter-spacing: 1px;
}
.verdict.pass { background: var(--success-bg); color: var(--success); border: 1.5px solid #bbf7d0; }
.verdict.fail { background: var(--danger-bg); color: var(--danger); border: 1.5px solid #fecaca; }
.verdict small { display: block; font-size: 13px; font-weight: 500; margin-top: 4px; opacity: .85; letter-spacing: 0; }

/* 成绩行内标签 */
.score-tag.pass { background: var(--success-bg); color: var(--success); }
.score-tag.fail { background: var(--danger-bg); color: var(--danger); }

/* 题组选择（后台下拉多选） */
.gpick { display: flex; flex-wrap: wrap; gap: 10px; }
.gpick label {
    display: flex; align-items: center; gap: 7px;
    border: 1.5px solid var(--line); border-radius: 10px;
    padding: 9px 14px; font-size: 14px; cursor: pointer; background: #fff;
    font-weight: 500; color: var(--ink-2); transition: all .15s;
}
.gpick label:hover { border-color: var(--brand); }
.gpick input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--brand); cursor: pointer; }
.gpick label.on { border-color: var(--brand); background: var(--brand-light); color: var(--brand); }

/* 完成进度条（后台看板） */
.prog-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; font-size: 13px; }
.prog-row .nm { width: 110px; font-weight: 600; color: var(--ink-2); flex-shrink: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.prog-row .rail { flex: 1; height: 22px; background: var(--bg); border-radius: 6px; overflow: hidden; position: relative; }
.prog-row .p-done { height: 100%; background: #dbeafe; float: left; }
.prog-row .p-pass { height: 100%; background: var(--success); float: left; opacity: .85; }
.prog-row .txt { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; color: var(--ink-2); }

/* 批量导入文本域 */
.ta-json { font-family: Consolas, Monaco, monospace; font-size: 12.5px; line-height: 1.6; }

/* 学员密码行 */
.pwd-row { display: flex; gap: 8px; align-items: flex-end; }
.pwd-row .input { flex: 1; }

.mt14 { margin-top: 14px; } .mb14 { margin-bottom: 14px; }
.muted { color: var(--ink-3); font-size: 13px; }
.nowrap { white-space: nowrap; }