/**
 * Twitter Card生成器样式
 */

.twitter-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* 区块标题 */
.section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

/* 表单区域 */
.form-section {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--color-border-light);
}

.form-block {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-label.required::after {
    content: ' *';
    color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.form-counter {
    font-size: 12px;
    color: var(--color-text-light);
    text-align: right;
}

.form-counter.warning {
    color: var(--color-warning);
}

.form-counter.error {
    color: var(--color-error);
}

.form-hint {
    font-size: 12px;
    color: var(--color-text-light);
}

/* 预览区域 */
.preview-section {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--color-border-light);
}

.preview-actions {
    display: flex;
    gap: 10px;
}

.preview-box {
    background: var(--color-bg);
    border-radius: 8px;
    padding: 16px;
    border: 1px solid var(--color-border-light);
    margin-bottom: 20px;
}

.preview-code {
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
    color: var(--color-text);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 300px;
    overflow-y: auto;
}

/* 卡片预览 */
.card-preview {
    margin-bottom: 20px;
}

.preview-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
}

.twitter-card {
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    background: var(--color-bg);
    max-width: 504px;
}

.tw-card-image {
    width: 100%;
    height: 260px;
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: 14px;
    background-size: cover;
    background-position: center;
}

.tw-card-content {
    padding: 12px 16px;
}

.tw-card-domain {
    font-size: 12px;
    color: var(--color-text-light);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tw-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tw-card-desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 小图卡片样式 */
.twitter-card.summary .tw-card-image {
    width: 120px;
    height: 120px;
    float: left;
    border-radius: 0;
}

.twitter-card.summary {
    display: flex;
}

.twitter-card.summary .tw-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 120px;
}

.twitter-card.summary::after {
    content: '';
    display: table;
    clear: both;
}

/* 调试链接 */
.debug-links {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-bg);
    border-radius: 8px;
    border: 1px solid var(--color-border-light);
}

.debug-label {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.debug-link {
    font-size: 13px;
    color: var(--color-primary);
    text-decoration: none;
}

.debug-link:hover {
    text-decoration: underline;
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: var(--color-bg);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* 响应式 */
@media (max-width: 900px) {
    .main-grid {
        grid-template-columns: 1fr;
    }

    .twitter-card {
        max-width: 100%;
    }

    .tw-card-image {
        height: 200px;
    }
}

@media (max-width: 500px) {
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .preview-actions {
        width: 100%;
    }

    .preview-actions .btn {
        flex: 1;
    }
}