/* 功课计数 Tab */
.lms-course-center .lms-pc-panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.lms-course-center .lms-pc-section-desc {
    margin: -4px 0 12px;
    color: #64748b;
    font-size: 13px;
}

.lms-course-center .lms-pc-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.lms-course-center .lms-pc-btn {
    appearance: none;
    border: 1px solid #cbd5e1;
    background: #fff;
    color: #334155;
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    line-height: 1.3;
    white-space: nowrap;
}

.lms-course-center .lms-pc-btn-primary {
    background: #0f172a;
    border-color: #0f172a;
    color: #fff;
}

.lms-course-center .lms-pc-btn-danger {
    border-color: #fecaca;
    color: #b91c1c;
    background: #fff1f2;
}

/* 手机全宽；电脑多列卡片 */
.lms-course-center .lms-pc-card-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.lms-course-center .lms-pc-card {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #fff;
    padding: 12px 14px;
    min-width: 0;
}

.lms-course-center .lms-pc-card__main {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

/* 标题左 + 徽章右 */
.lms-course-center .lms-pc-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.lms-course-center .lms-pc-card__head h3 {
    margin: 0;
    flex: 1 1 auto;
    min-width: 0;
    font-size: 16px;
    line-height: 1.35;
    color: #0f172a;
}

.lms-course-center .lms-pc-card__badge,
.lms-course-center .lms-pc-card__type {
    flex: 0 0 auto;
    margin: 0;
    padding: 2px 8px;
    border-radius: 999px;
    background: #fff7ed;
    color: #9a3412;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0.02em;
}

.lms-course-center .lms-pc-card__type {
    background: #f1f5f9;
    color: #475569;
}

.lms-course-center .lms-pc-card__sub {
    margin: 0;
    color: #64748b;
    font-size: 12px;
    line-height: 1.4;
}

/* 进度文案左 + 操作右 */
.lms-course-center .lms-pc-card__foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 12px;
}

.lms-course-center .lms-pc-card__progress-text {
    margin: 0;
    flex: 1 1 auto;
    min-width: 0;
    color: #64748b;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
}

.lms-course-center .lms-pc-card__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    justify-content: flex-end;
    flex: 0 1 auto;
}

.lms-course-center .lms-pc-progress {
    height: 6px;
    border-radius: 999px;
    background: #e2e8f0;
    overflow: hidden;
    width: 100%;
}

.lms-course-center .lms-pc-progress span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, #f59e0b, #ea580c);
}

.lms-course-center .lms-pc-loading,
.lms-course-center .lms-pc-empty {
    grid-column: 1 / -1;
    padding: 16px;
    border: 1px dashed #cbd5e1;
    border-radius: 12px;
    background: #f8fafc;
    color: #64748b;
    text-align: center;
    font-size: 13px;
}

.lms-course-center .lms-pc-dialog {
    border: none;
    border-radius: 16px;
    padding: 0;
    max-width: 420px;
    width: calc(100% - 32px);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.2);
}

.lms-course-center .lms-pc-dialog::backdrop {
    background: rgba(15, 23, 42, 0.35);
}

.lms-course-center .lms-pc-dialog-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
}

.lms-course-center .lms-pc-dialog-body h3 {
    margin: 0;
}

.lms-course-center .lms-pc-dialog-body label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: #334155;
}

.lms-course-center .lms-pc-dialog-body input,
.lms-course-center .lms-pc-dialog-body select,
.lms-course-center .lms-pc-dialog-body textarea {
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 9px 10px;
    font-size: 14px;
}

.lms-course-center .lms-pc-dialog-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 4px;
}

@media (min-width: 720px) {
    .lms-course-center .lms-pc-card-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }
}

@media (min-width: 1100px) {
    .lms-course-center .lms-pc-card-list {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 480px) {
    .lms-course-center .lms-pc-card__foot {
        flex-direction: column;
        align-items: stretch;
    }

    .lms-course-center .lms-pc-card__actions {
        justify-content: flex-start;
    }
}