/**
 * 随机数生成工具样式
 */

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

/* 类型选择 */
.type-section {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 16px 20px;
    border: 1px solid var(--color-border-light);
}

.type-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
    display: block;
}

.type-btns {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.type-btn {
    cursor: pointer;
}

.type-btn input {
    display: none;
}

.type-btn span {
    display: inline-block;
    padding: 10px 20px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: var(--transition);
}

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

.type-btn.active span {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* 参数设置 */
.params-section {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 16px 20px;
    border: 1px solid var(--color-border-light);
}

.param-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.param-row:last-child {
    margin-bottom: 0;
}

.param-field {
    flex: 1;
    min-width: 120px;
}

.param-field label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.param-field input,
.param-field select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    outline: none;
    transition: var(--transition);
}

.param-field input:focus,
.param-field select:focus {
    border-color: var(--color-primary);
}

.checkbox-field {
    display: flex;
    align-items: flex-end;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--color-text);
    transition: var(--transition);
}

.checkbox-item:hover {
    border-color: var(--color-primary);
}

.checkbox-item input {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
}

/* 生成按钮 */
.action-section {
    display: flex;
    justify-content: center;
}

.btn-generate {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 40px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #6366f1 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.3);
}

.btn-generate:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
}

.btn-generate span {
    font-size: 20px;
}

/* 结果区域 */
.result-section {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-border-light);
}

.result-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
}

.result-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.result-count {
    font-size: 12px;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
}

.result-actions {
    margin-left: auto;
    display: flex;
    gap: 8px;
}

.btn-sm {
    padding: 6px 12px;
    border: none;
    background: var(--color-bg-secondary);
    border-radius: 6px;
    font-size: 12px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-sm:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text);
}

.result-textarea {
    width: 100%;
    min-height: 200px;
    padding: 16px;
    border: none;
    background: var(--color-bg);
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text);
    resize: vertical;
    outline: none;
}

.result-textarea::placeholder {
    color: var(--color-text-light);
}

/* 统计信息 */
.stats-section {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 16px 20px;
    border: 1px solid var(--color-border-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.stat-item {
    text-align: center;
    padding: 12px;
    background: var(--color-bg);
    border-radius: 8px;
}

.stat-label {
    display: block;
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.stat-value {
    display: block;
    font-size: 20px;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--color-primary);
}

/* 响应式 */
@media (max-width: 768px) {
    .type-btns {
        flex-direction: column;
    }

    .type-btn span {
        width: 100%;
        text-align: center;
    }

    .param-row {
        flex-direction: column;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}