/* 主容器 */
.tool-container {
    max-width: 720px;
    margin: 30px auto;
    padding: 24px;
}

/* 表单竖排 + 内部一行布局 */
.form-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

/* 标签 + 表单 一行显示（核心） */
.form-group {
    display: flex;
    align-items: center;
    gap: 12px;
}
.form-group label {
    min-width: 90px;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    white-space: nowrap;
}

/* 输入框 */
.form-group input[type="text"],
.form-group input[type="number"] {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s;
}
.form-group input:focus {
    outline: none;
    border-color: #1677ff;
    box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.1);
}

/* 复选框组 */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 14px;
    color: #444;
}

/* 复选框样式（强制生效） */
.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    border: 1px solid #d0d0d0;
    border-radius: 4px;
    appearance: none;
    cursor: pointer;
    position: relative;
    background: #fff;
}
.checkbox-item input[type="checkbox"]:checked {
    background-color: #1677ff;
    border-color: #1677ff;
}
.checkbox-item input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* 按钮组 */
.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}
.btn {
    padding: 9px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-primary {
    background: #1677ff;
    color: #fff;
}
.btn-primary:hover {
    background: #0F6AE8;
}
.btn-success {
    background: #00b42a;
    color: #fff;
}
.btn-success:hover {
    background: #009C26;
}
.btn-warning {
    background: #ff7d00;
    color: #fff;
}
.btn-warning:hover {
    background: #E67000;
}

/* 结果区域 */
.result-section {
    margin-top: 12px;
}
.result-title {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: #333;
}
.result-box {
    width: 100%;
    min-height: 110px;
    padding: 12px;
    border: 1px solid #eee;
    border-radius: 10px;
    background: #fafafa;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    word-break: break-all;
    white-space: pre-wrap;
}

/* 强度 */
.strength-indicator {
    margin-top: 10px;
    font-size: 13px;
    color: #666;
}
.strength-level {
    font-weight: 600;
    margin-left: 4px;
}
.strength-safe { color: #00b42a; }
.strength-medium { color: #ff7d00; }
.strength-weak { color: #f53f3f; }