.niliu-qa-module {
    margin: 20px 0;
    padding: 20px;
}

.niliu-qa-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--main-border-color, #eee);
}

.niliu-qa-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--focus-color, #333);
    display: flex;
    align-items: center;
    gap: 8px;
}

.niliu-qa-title .count {
    font-size: 14px;
    color: var(--muted-color, #999);
    font-weight: normal;
}

.niliu-qa-title i {
    color: var(--theme-color, #007bff);
}

.niliu-qa-ask-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.4em 1em;
    background: linear-gradient(140deg, #039ab3 10%, #58dbcf 90%);
    color: #fff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

.niliu-qa-ask-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.niliu-qa-form-container {
    margin-bottom: 20px;
    padding: 15px;
    background: var(--main-bg-color, #f8f9fa);
    border-radius: 8px;
}

.niliu-qa-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.niliu-qa-guest-fields {
    display: flex;
    gap: 10px;
}

.niliu-qa-guest-fields .niliu-qa-input {
    flex: 1;
}

.niliu-qa-input,
.niliu-qa-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--main-border-color, #ddd);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    background: var(--body-bg-color, #fff);
    color: var(--focus-color, #333);
}

.niliu-qa-input:focus,
.niliu-qa-textarea:focus {
    outline: none;
    border-color: var(--theme-color, #007bff);
}

.niliu-qa-textarea {
    resize: vertical;
    min-height: 80px;
}

.niliu-qa-captcha {
    margin: 10px 0;
}

.niliu-qa-captcha .line-form {
    margin-bottom: 0;
}

.niliu-qa-captcha .imagecaptcha {
    min-width: 80px;
    height: 30px;
    cursor: pointer;
}

.niliu-qa-captcha .imagecaptcha img {
    height: 100%;
    border-radius: 4px;
}

.niliu-qa-form-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.niliu-qa-char-count {
    font-size: 12px;
    color: var(--muted-color, #999);
}

.niliu-qa-char-count .current.warning {
    color: #ff9800;
}

.niliu-qa-char-count .current.error {
    color: #f44336;
}

.niliu-qa-form-actions {
    display: flex;
    gap: 10px;
}

.niliu-qa-cancel-btn,
.niliu-qa-submit-btn {
    padding: 0.4em 1em;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

.niliu-qa-cancel-btn {
    background: rgba(136, 136, 136, 0.1);
    color: var(--muted-color, #888);
}

.niliu-qa-cancel-btn:hover {
    background: rgba(136, 136, 136, 0.2);
}

.niliu-qa-submit-btn {
    background: linear-gradient(140deg, #039ab3 10%, #58dbcf 90%);
    color: #fff;
}

.niliu-qa-submit-btn:hover {
    opacity: 0.9;
}

.niliu-qa-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.niliu-qa-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.niliu-qa-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--muted-color, #999);
}

.niliu-qa-empty i {
    font-size: 48px;
    margin-bottom: 15px;
    display: block;
}

.niliu-qa-empty p {
    margin: 0;
    font-size: 14px;
}

.niliu-qa-item {
    border: 1px solid var(--main-border-color, #eee);
    border-radius: 8px;
    overflow: hidden;
}

.niliu-qa-question {
    padding: 15px;
    background: var(--body-bg-color, #fff);
}

.niliu-qa-user {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.niliu-qa-user .avatar-img {
    --this-size: 36px;
}

.niliu-qa-user-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.niliu-qa-user-info .name {
    font-weight: 500;
    color: var(--focus-color, #333);
}

.niliu-qa-user-info .badge {
    display: inline-block;
    padding: 2px 6px;
    font-size: 11px;
    border-radius: 3px;
}

.niliu-qa-user-info .badge.guest {
    background: var(--main-bg-color, #f0f0f0);
    color: var(--muted-color, #999);
}

.niliu-qa-user-info .badge.top {
    background: linear-gradient(135deg, #f59f54 10%, #ff6922 100%);
    color: #fff;
}

.niliu-qa-user-info .badge.adopted {
    background: linear-gradient(135deg, #60e464 10%, #5cb85b 100%);
    color: #fff;
}

.niliu-qa-content {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.niliu-qa-content p {
    margin: 0;
    line-height: 1.6;
    color: var(--focus-color, #333);
    word-break: break-word;
}

.niliu-qa-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--muted-color, #999);
}

.niliu-qa-meta .time {
    color: var(--muted-color, #999);
}

.niliu-qa-like-btn,
.niliu-qa-adopt-btn,
.niliu-qa-delete-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.3em 0.6em;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
    vertical-align: middle;
}

.niliu-qa-like-btn {
    background: rgba(8, 196, 193, 0.1);
    color: #08c4c1;
}

.niliu-qa-like-btn:hover {
    background: linear-gradient(140deg, #039ab3 10%, #58dbcf 90%);
    color: #fff;
}

.niliu-qa-like-btn.liked {
    background: linear-gradient(140deg, #039ab3 10%, #58dbcf 90%);
    color: #fff;
}

.niliu-qa-adopt-btn {
    background: rgba(92, 184, 91, 0.1);
    color: #5cb85b;
}

.niliu-qa-adopt-btn:hover {
    background: linear-gradient(135deg, #60e464 10%, #5cb85b 100%);
    color: #fff;
}

.niliu-qa-delete-btn {
    background: rgba(251, 45, 45, 0.1);
    color: #fb2d2d;
}

.niliu-qa-delete-btn:hover {
    background: linear-gradient(135deg, #fd7a64 10%, #fb2d2d 100%);
    color: #fff;
}

.niliu-qa-answers {
    padding: 15px;
    background: var(--body-bg-color, #fff);
    border-top: 1px solid var(--main-border-color, #eee);
}

.niliu-qa-answer {
    padding: 12px;
    margin-bottom: 10px;
    background: var(--body-bg-color, #fff);
    border-radius: 6px;
    border-left: 3px solid transparent;
}

.niliu-qa-answer:last-child {
    margin-bottom: 0;
}

.niliu-qa-answer.adopted {
    border-left-color: #5cb85b;
    background: rgba(92, 184, 91, 0.05);
}

.niliu-qa-answer .niliu-qa-user .avatar-img {
    --this-size: 28px;
}

.niliu-qa-no-answer {
    padding: 20px;
    text-align: center;
    color: var(--muted-color, #999);
    font-size: 14px;
}

.niliu-qa-no-answer i {
    margin-right: 8px;
}

.niliu-qa-reply-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.4em 0.8em;
    margin-top: 10px;
    border: none;
    background: rgba(8, 196, 193, 0.1);
    color: #08c4c1;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
}

.niliu-qa-reply-btn:hover {
    background: linear-gradient(140deg, #039ab3 10%, #58dbcf 90%);
    color: #fff;
}

.niliu-qa-answer-form-container {
    margin-top: 10px;
    padding: 12px;
    background: var(--main-bg-color, #f8f9fa);
    border-radius: 6px;
}

.niliu-qa-view-more-answers {
    margin-top: 10px;
    text-align: center;
}

.niliu-qa-view-more-btn {
    padding: 0.3em 0.6em;
    border: none;
    background: rgba(8, 196, 193, 0.1);
    color: #08c4c1;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
}

.niliu-qa-view-more-btn:hover {
    background: linear-gradient(140deg, #039ab3 10%, #58dbcf 90%);
    color: #fff;
}

.niliu-qa-load-more {
    margin-top: 20px;
    text-align: center;
}

.niliu-qa-load-more-btn {
    padding: 0.4em 1.5em;
    border: none;
    background: rgba(136, 136, 136, 0.1);
    color: var(--focus-color, #333);
    border-radius: 50px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

.niliu-qa-load-more-btn:hover {
    background: rgba(136, 136, 136, 0.2);
}

.niliu-qa-load-more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.niliu-qa-widget-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.niliu-qa-widget-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--main-border-color, #eee);
}

.niliu-qa-widget-list li:last-child {
    border-bottom: none;
}

.qa-widget-question {
    display: block;
    color: var(--focus-color, #333);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 5px;
}

.qa-widget-question:hover {
    color: var(--theme-color, #007bff);
}

.qa-widget-meta {
    font-size: 12px;
    color: var(--muted-color, #999);
}

@media (max-width: 768px) {
    .niliu-qa-module {
        padding: 15px;
    }

    .niliu-qa-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .niliu-qa-guest-fields {
        flex-direction: column;
    }

    .niliu-qa-form-footer {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .niliu-qa-form-actions {
        justify-content: flex-end;
    }

    .niliu-qa-meta {
        flex-wrap: wrap;
        gap: 10px;
    }
}

.niliu-qa-loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--main-border-color, #ddd);
    border-top-color: var(--theme-color, #007bff);
    border-radius: 50%;
    animation: niliu-qa-spin 0.8s linear infinite;
}

@keyframes niliu-qa-spin {
    to {
        transform: rotate(360deg);
    }
}

.niliu-qa-toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    border-radius: 6px;
    font-size: 14px;
    z-index: 10000;
    animation: niliu-qa-toast-in 0.3s ease;
}

.niliu-qa-toast.success {
    background: linear-gradient(135deg, #60e464 10%, #5cb85b 100%);
}

.niliu-qa-toast.error {
    background: linear-gradient(135deg, #fd7a64 10%, #fb2d2d 100%);
}

@keyframes niliu-qa-toast-in {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.dark-theme .niliu-qa-module,
.dark-theme .niliu-qa-question,
.dark-theme .niliu-qa-answer,
.dark-theme .niliu-qa-answer-form-container {
    background: var(--body-bg-color);
}

.dark-theme .niliu-qa-form-container,
.dark-theme .niliu-qa-answers {
    background: var(--body-bg-color);
}